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Top Of The Best Energy Star Qualified Humidifiers Reviewed In 2018

Last Updated March 1, 2019
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Adrian HoffmanHi! My name is Reginald Meyer. After putting in 50+ hours of research and testing, I made a list of the best Energy Star Qualified Humidifiers of 2018 and explained their differences and advantages.

In this article, I will be categorizing the items according to their functions and most typical features. I hope that my Top 10 list will provide you great options in buying the right fit for you.



Feel free to explore the podium, click on the pictures to find out more.



How to save up to 86%? Here is little trick.

You must visit the page of sales. Here is the link. If you don’t care about which brand is better, then you can choose the Energy Star Qualified Humidifiers by the price and buy from the one who will offer the greatest discount.



№1 – Perfect Aire PAU16 Tabletop Cool Mist 0.4-Gallon Humidifier, Energy Star Rated, 360-Degree Adjustable Output Direction

Perfect Aire PAU16 Tabletop Cool Mist 0.4-Gallon Humidifier, Energy Star Rated, 360-Degree Adjustable Output Direction
Whisper quiet operation
Adjustable output levels
Auto shut-off


№2 – Whynter RPD-501WP Energy Star Portable Dehumidifier with Pump, 50-Pint

Whynter RPD-501WP Energy Star Portable Dehumidifier with Pump, 50-Pint
50 pint (24 liter) capacity dehumidifier, 14 pint (7 liter) removable water bucket
Please refer below User Manual and Trouble shooting steps under product details.
Auto-restart and Auto-shutoff functions


№3 – Avalon Premium 5 Liter Ultrasonic Digital Humidifier – Cool/Warm Mist, Adjustable Humidity Levels, Remote, Filter, Nightlight,With Pure Silent Technology, ETL Approved

Avalon Premium 5 Liter Ultrasonic Digital Humidifier - Cool/Warm Mist, Adjustable Humidity Levels, Remote, Filter, Nightlight,With Pure Silent Technology, ETL Approved
ULTRASONIC: Unlike other humidifiers, this mist humidifier has zero noise technology which lets you use it while sleeping with no disruptions, making it perfect for your baby’s room as well!
ETL APPROVAL: Our products are ETL approved which ensures that it is made from safe products and isn’t dangerous to use. Enjoy quality performance completely worry free!


Time Taken >> 7.hours

The calculations above speak for themselves. Yes, power draw is greater for larger capacity units. But larger capacity units draw that maximum power for a smaller amount of time. It should now be clear to you that 70 pint dehumidifiers are the most energy efficient. 50 pint dehumidifiers are slightly less efficient. And 30 pint units are the least energy efficient. Thus, we recommend that you stay within the 70 pint size class if energy efficiency is important to you.

Additional Important Note (added recently)

Whole House Humidifier Maintenance Tips

Benefits of Whole House Humidifiers Over Single Room and Small Portable Humidifiers

Features of Whole House Humidifiers To Consider Before Purchasing

We already looked at the different types of humidifiers, but even within those types, there are variations. Below are the primary features to consider when making your choice.

Square Feet Covered

Even humidifiers that use your HVAC system will have their limits, as the humidifier can only produce so much at a time. It is important that you check the square feet covered before you buy and compare it to your home. If your home has high ceilings or an open floor plan, you may need a humidifier that can cover more square feet than your home actually has.

You can take a look here

First up in our look at these whole house humidifiers is a consistent best seller from the industry heavyweight Aprilaire. This manufacturer was the first to roll out flow-through evaporative humidifiers onto the market.

The 700 is a whole house evaporative humidifier that is good for leveling out the humidity in houses up to 4,200 square feet. Even if you have a large home, the 700 has you covered.

With an evaporative rate of 0.7gallons per hour (GPH), the Aprilaire 700 will deliver up to 50% more moisture into the air than its closest competitor. The reservoir is a generous 1gallons.

Despite packing all this power, the unit is surprisingly compact. It measures 1x 1x 1inches and tips the scales at less than 1pounds.

This humidifier doesn’t come with an installation kit. If you are highly experienced with DIY, you should be okay on this front. For anyone not so confident, factor in whole house humidifier installation cost.

You can control the amount of humidification precisely using the nifty digital controls. Readings are clearly displayed on an LED screen. Settings can be tweaked between whisper, medium, or high. This is a great way to avoid any buzzing or humming disturbing your sleep.

The last thing most people want when buying a dehumidifier is regular and troublesome maintenance. An annual service is all you’ll need with the Aprilaire 700. Look after it and it will last for years.

Some humidifiers will only run properly with distilled water. While this will extend the life of your appliance and ensure that no minerals are belched into the atmosphere, it can be costly. With the 700, you can opt for hot or cold water, distilled or even harder water without a problem. This whole house humidifier even works with well water.  This flexibility is a nice touch.

Health Concerns with Whole House Humidifiers

Overall, humidifiers provide amazing health benefits, but if they are not used properly, they can cause health problems.  Proper maintenance of your system ensures that it remains healthy for everyone in the home.  Also, you need to take care to choose the correct system for you.  Below are some things to keep in mind so you can negate any health concerns you have regarding a whole house humidifier. 

Whole House Humidifier Brands

There are many whole house humidifier brands on the market, but many of these companies are not well-known.  As a result, you can feel reluctant to trust them.  With that said, there are a few brands that have built their reputation over the years by offering excellent products, quality service, and dependable warrantees.  Below are three whole house humidifier brands you can always trust. 

Aprilaire ​This brand isn’t one that most people have heard of, mostly because it knows its niche—home air care solutions—and sticks to it.  Their biggest product line is their whole house humidifiers, so you know that you are getting the best when you purchase one.  However, they offer a variety of products to help you improve the air in your home.  Some other items they sell include: temperature control, purification, ventilation, and dehumidification solutions.  And if you have a smart home or want to switch yours over to being one, they even offer items that are smart home compatible. 

Holmes also offers home air care solutions, but they are more of a household name.  This is mainly because most homes have at least one heater or fan in their home made by Holmes.  Found at most any store, you can easily locate Holmes products.  They do not offer a significant selection of whole house humidifiers, but those they do offer are solid products backed by their comprehensive warrantees.  At the moment, they are experimenting with smart home options, though these have yet to reach their whole house humidifiers. 


Out of the names on this list, Honeywell is the one you likely know best.  This is because they offer a wide variety of products and do not restrict themselves to just home air care solutions.  You might expect this would result in lower quality products, that the company is spread too thin, but in truth, each division offers amazing products that last—including their humidifier division.  And since it is a large company, it has the resources to stand behind all its products with confidence-inspiring warrantees. 

To figure out which is the best whole house humidifier for you, you first need to decide the general type of humidifier you are interested in. There are five primary types of whole house humidifiers.

Drum Humidifiers

This type is cheap and easy to install if you are looking to go DIY. These are placed on the cold air return line. The motor pulls cold water from the drum and forces it into the system, allowing the natural process of evaporation to turn it into a mist that can then be forced through your HVAC system and into the air of your home. Compared to other types, these are high maintenance, as you must frequently clean the drum to ensure no mold grows, and you must also replace the belt quite frequently.

Flow Through Humidifiers

This type of humidifier offers greater flexibility, as you can install them on the return or supply line. Like the drum type of humidifier, they use evaporation to work. However, they do not use the drum, so there is no standing water. This helps to cut down on the maintenance needed, but you still need to perform some to keep it at optimal function. With this type, water flows through a filter and air blows through the filter to force the moisture out. To use this type of humidifier, you need to be able to hook it up to a water line.

Ultrasonic Humidifiers

Out of the various types of whole house humidifiers on the market, this is the least common. These humidifiers use a transducer to create moisture. Water passes over the transducer as it vibrates, causing the molecules in the water to become excited, resulting in the droplets breaking up into many smaller droplets, which are then injected into your HVAC system and dispersed throughout your home. These models are rather costly and high maintenance as they produce “white dust,” which must be cleaned away frequently.

Console Humidifiers

These humidifiers are sometimes single room, but there are also models that can cover the entire home. All console humidifiers use a tank of water attached to the unit. However, the way they create humidity will vary. Console humidifiers are high maintenance, as you must fill and clean the tank often. Also, you must set them up in an open space to reduce the chance of mold growth and make sure your air moves enough to disperse the moisture throughout your home. Some console humidifiers are portable as well, while others must be installed much like a window or wall unit air conditioner would be.

Whole House Humidifier Installation

Each type of whole house humidifier requires a different approach to installation.  As such, you will want to consult your user manual if you choose to go DIY on this.  Depending on the model, installation may be quite simple or complex enough that a professional is needed.  Below is a general installation guide, however, double check it with your user manual before you get to work to avoid damaging your product or voiding the warrantee. 

Tim Heffernan

After more than 100 hours of research (including 80-plus hours of lab testing) in the past four years, the Honeywell HCM-350 Germ Free Cool Mist Humidifier remains our pick as the best humidifier for most people. It’s quiet, leakproof, effective, and energy-efficient, and it’s the easiest model to fill and clean we’ve ever found.

This fall we’re testing our four humidifier picks against four new competitors in real-world conditions—a steam-heated New York City apartment—to see how their measurements on basic test equipment stack up to our years of lab data. The four newcomers are models from Eufy, Honeywell, Levoit, and TaoTronics.

For larger rooms

Ultrasonic humidifiers are silent and humidify at a faster rate than our pick but can overhumidify if you’re not careful. This one performs similarly to models that cost twice as much and is good for a space 400 square feet or larger.

For spaces around 400 square feet or larger, consider the Sunpentown SU-40Dual Mist Humidifier with ION Exchange Filter. It’s ultrasonic, which means it’s more powerful than our evaporative picks, but this model (like any humidifier of its type) can spread an annoying layer of mineral dust, and can overhumidify a room. This model stands apart with a level of power that matches the leaders in its category and a price that’s roughly half of some competitors. It doesn’t have a humidistat, but in our testing, they usually aren’t that accurate. The SU-40is also harder to clean than the evaporative picks because the water tray is full of sharp angles—a shared trait among all the ultrasonic humidifiers we considered.

If you must have warm mist

Among the warm-mist humidifiers we tested, the this one felt the sturdiest and stayed the coolest (a safety concern). However, we strongly prefer evaporative or ultrasonic humidification.

With the help of a PhD physicist, we tested the humidifiers in a climate-controlled space while regularly logging the temperature, humidity, and particle count (where applicable). Then we evaluated them for ease of use and cleaning, which was just as important as humidifying power for achieving optimal (and safe) performance. Our humidifier testing in the fall of 201featured eight new models, plus a retest of the Honeywell and our runner-up, the Sunpentown SU-9210, and in the fall of 2016, we considered four new models and dismissed them without additional testing.

Pull Quote

To test home-humidifier models in a climate-controlled space, John weather-sealed his home office.

John has studied atmospheric physics and chemistry in places from the continental US to the Arctic to the remote island nation of the Maldives on government-sponsored field campaigns to improve our understanding of Earth’s climate.

To test home-humidifier models in a climate-controlled space, he weather-sealed his home office and installed an air conditioner to maintain stable initial conditions. He evaluated the humidifiers with two portable temperature and humidity data loggers, and used a laboratory-grade particle counter to size up the air washers (read more in How we tested).

Who this is for

However, humidifying your home involves more than just buying one of our picks and filling it with water. If you don’t take care to maintain it properly (see Health risks of a dirty humidifier), a humidifier can do more harm than good. Most humidifiers require regular maintenance, including a thorough cleaning every one to three days. There are exceptions, like our upgrade pick. But be honest with yourself: Are you ready to be a “humidifier parent”? If you know you’re not up for this level of regular cleaning and maintenance, you may end up with a breeding ground for germs.

How we picked

Removing Water

Most experts agree that most dehumidifiers collect large amounts of water in very wet or damp condition. This means that you must empty the internal bucket regularly. There are draining units that most of the dehumidifiers come with that allows you to remove water without actually taking out the internal buckets; which can be somewhat complicated at times.

Others come with an internal pump feature which can pump water into a sink. That is an alternative way if you do not wish to constantly empty the internal bucket, or you do not have the draining function with your machine. Either way, you need a way to efficiently and easily remove water which can damage your system.

Energy Performance

These machines create great value, however this comes at a cost. There is a great energy cost associated with picking the wrong machine that is not efficient at utilizing energy. The key component that we looked out for and which you should also look out for is an “Energy Star”recommendation which pretty much guarantees it works with your energy cost in mind. Besides, proper usage and maintenance can enhance the longevity of the machine while keeping the performance and energy efficiency intact.

Pricing is critical for anything you want to buy. The consumer wants a machine that is priced low and provides great value. The price of the machines on this list are well priced and provide amazing value. Please review our attached report to see the comparison between features and pricing in order to pick the right dehumidifier for yourself.

Extra Features

Each machine must come with awesome extra features including internal pumps, direct drain, automatic-humidistat, and auto reset, defrost or temperature settings. These add more flavor to the machines and are absolutely critical to making dehumidifying an easy and efficient process.

How We Picked and Tested 

We researched about 1pieces of dehumidifiers deeply in order to come up with this extensive list of the best 70 pint dehumidifier reviews to help you decide what works best for your needs. We spent approximately years researching and creating reports concerning the positives and negatives for each of the items. Please look at our attached report to see some of the work we did.

None of these products are even close to perfection; however they are the best on the market we have found. The key to remember is that companies are always looking for methods to improve on already existing technology. We are certain that they will create something new at a great price and with excellent value. Do not worry, we are always on the look-out to find the best machines when they become available.

We spent close to two months using these products in different locations to find out how efficiently and effectively they were operating. It takes time to observe the true nature of a dehumidifier, and understanding this we invited interested experts to help us decide whether they were working well or not.

We used all these top reviewed machines under the exact same conditions and watched carefully every day, collecting data.

The other things we looked out for was how difficult and painful it was to clean these top rated machines and how to drain the water out of them. Some of the machines on the market are incredibly difficult to clean and that is not what the average consumer would like.

With these things in mind we picked the best and most effective 70 pint dehumidifiers on the market, and we hope you will find it very helpful. Please feel free to follow us on social media and check out our attached report to see exactly what we found out.

Frigidaire FAD704DWD Energy Star Dehumidifier

With the greatest bacteria-removing capabilities available this perpetual-emptying Frigidaire can run indefinitely for a healthier home with little interference at a great price.

Why this product is Our Pick: is our pick for the best possible product on the market. It has a combination of the best features along with a wonderful price. Below is a deeper list of reasons for why it is OUR PICK.

Rating frequency is a key aspect in determining how well a product is performing on the market and how much consumers in general like its quality. The faster a product is rated, the faster consumers are using it, meaning that it is well loved in the market place.This product received its first ratings in day, an impressive feat. It received its second set of reviews in the next days after that, and then its 3rd ratings in a matter of days., bringing up the total to 30 reviews in days.

There are not very many products on the market that boast this kind of feedback in that short amount of time. This is an impressive product.

Frigidaire FAD704DWD Energy Star 70 pint Dehumidifier Review:

What is the mechanism behind the dehumidifier

Before you know what dehumidifier to buy. You should review and understand the concept behind how do a dehumidifier work. So that you can decide which one will fit you the most and save you more money.

How to reduce the excess water

There is mostly two method, one is using the humid-stat which leverages two major parts. A sensing element and also the relay amplifier. Simply put, this sensing element consist of two metal conductors. This causes a drive or drop in the humidity and create a nice electrical resistant between the two elements.

Another way, is to uses the desiccant dehumidifiers to uses it differently and it will has the ability to capture the moisture and do not have a compressor.

What you need to know to trim down the selection

There are just too many options in the market. While small home dehumidifier large home dehumidifier guide

Now after understanding what exactly the size of home or just your living room area is the dehumidifier is required. You will need to consider the moisture level. Different country have different moisture level and the required amount of power form dehumidifier is way different.

The myth of different pint size

Very often people will imagine that if they have a larger home. Or an environment that is more humid, then the use of a 70 pints dehumidifier is more important. But in reality, the dehumidifier pint volume determined by not only the water tank size on the pint number. During our test, the 70 pint has a better capabilities in removing water moisture much faster than the other option, e.g. 30 and 50 pint.

The different pint level reveals not only the difference in the water tank level but also the speed of sucking air. The logic is very simple, if you have a bigger stomach, you eat faster. While this laymen term in explaining is not convincing enough. The fact that the 70 pint gives you the more moisture and air sucking power relies on the larger is size and space. With the 70 pint water tank volume, the condenser is larger. Which means that you will have a better surface level and area for the air to pass through. Which in terms, give a better chance for the water moisture to be condensed via the rod inside the dehumidifier. This gives the reason why the dehumidifier will provide a much better water condensation rate than the other options.

Who need a commercial dehumidifier at home

If you plan to make use of a dehumidifier to suck up all the humid environment at your living home or at basement. Then the use of a consumer grade level of dehumidifier may only be able to assist you to handle part of the humid environment. With the use of the commercial dehumidifier. You can reduce immediately one use of space for dehumidifier.

In common sense consideration, a 70 pint will LE you remove up to 70 pints of moisture per day and a 50 pints can remove at a speed of 50 pints moisture per day. The fact is that for the use of the commercial dehumidifier, you can remove it much quicker than the others.

The 120 pint commercial dehumidifier can let you remove it up to 120 pints and the good part is that it can handle all of the water moisture in removing it much faster.

The moisture removal rate

Why is it true that the moisture removal rate is faster for commercial dehumidifier than the consumer dehumidifier? Because the moisture removal rate is in fact not directly proportional to the pint level as considered by the consumer level.

The commercial dehumidifier uses a much better fan seed and the removal of the moisture will generate at a much greater rate at the environments in the higher temperature and also the higher the humidity level over the lower temperature. There is a 70 pint dehumidifier on maximum level settings will then will let you to handle a maximum of removal of 70 pints moisture at 80 degree.

This is the same situation on the dehumidifier when it turned to the max settings and in converse, the increases in the temperature and also the humidity will slow increase the dehumidifier efficiency level.

Auto start and off function

If you have a dehumidifier at home. With it without TH e ability to closes off the dehumidifier automatically or switches it on does not matter. Because the dehumidifier will not help you much on the uses of the drying on the atmospheric environment. The ability to uses the automatic start and off function on the commercial offices is very important. Not only it will allow you to switch it on and off easily. It will also allow you to ensure the offices it switches on with the dehumidifier to make a comfort environment for your colleagues.

We emphasis here the importance of getting the commercial dehumidifier that comes with the auto switch on alarm that can last for more than 4hours. Why? Because most of the offices will one a day off during the weekend on Friday onwards. Now if you are not able to switch on the dehumidifier with the ability to save longer than 4hours. Then you will not be able to have it turn on automatically itself. This will definitely help you to become the set and forget function and among all of the function and features mentioned in ere. This can be a deal breaker if it do not have this function instead.

Recommended Reading: 

Best Bath Mats & Rugs 201(Buyers Guide & Reviews)

Other wonderful attributes of Frigidaire FFAD7033Rthat you might find interesting are:

It is Energy Star Certified and listed by UL, an evidence of the fact that the dehumidifier meets every requirement to top our list of best dehumidifiers 2018

This dehumidifier comes with some appealing advantages you will find useful in making your choice. Some notable ones are:

It is the best of all the dehumidifiers in the 70-pint range, making it a reliable and efficient dehumidifying machine

2. Ivation IVADM4Powerful Mid-Size Thermo-Electric Intelligent Dehumidifier

This dehumidifier is a highly efficient machine that packs a lot of power and efficiency in its mid-size build. For a relatively large space, use the Ivation product as a room dehumidifier with a thermo-electric power to dehumidify your home.

The Ivation IVADM4dehumidifier is powered by the reliable and highly competent Peltier Technology that supports building objects in small sizes. This is responsible for its small size, although it is very powerful.

You don’t have to worry about shutting off the device at full capacity. When it has reached its capacity, the indicator will light up the automatic shutting off of the device.

This dehumidifier is equipped with an auto humidistat that gives you the freedom to set whatever level you want.

Furthermore, It is durable. The long lifespan makes it appealing for most people as it will save them from replacing a dehumidifier every now and then. It can remove unwanted humid water by squeezing about 2oz. of water daily from the moist air in your home.

3. BLACK+DECKER BDT45WT 4Pint Portable Dehumidifier

This portable dehumidifier comes with some attributes that make it rank among the best dehumidifiers you can get for your domestic use. The portable dehumidifier is one of its kinds, with so many endearing features.

It can easily extract about 4pints of water from the humid air within 2hours. This is an amazing feat among its contemporaries and a bonus for the user too.

It can be transported easily with its castors and a handle that is designed to make handling easy. Considering the size of the dehumidifier, this is a welcome development as you don’t have to include the fear of carrying a heavy weight to your concerns.

Furthermore, it is an environmentally friendly refrigerant in the R410a class that will make you feel comfortable using the product without contributing to the destruction of the ozone layer.

It can perform its functions without hitches within a temperature of 4to 89.degree Fahrenheit. The low energy required makes it energy- efficient and a delight for the user who doesn’t need to worry about high electricity bills. Also, Its speed fan is calibrated to give you different options. They are HIGH/MED/LOW which you can use to adjust the speed according to your preference.

It’s calibrated fan gives you different options to choose from depending on your preference

4. Ivation 70 Pint Energy Star Dehumidifier – Large-Capacity

Sometimes, you may have a large area of space to dehumidify. This may require getting a dehumidifier with the capability to handle such herculean task effectively. When other dehumidifiers shy away from taking such a task, the Ivation 70 dehumidifier is the ideal one for the job. ​As part of its efficiency, it is Eco-efficient as certified by Energy Star, has auto-restart and auto-defrost systems, and casters for mobility. When you combine these attributes, you will get yourself a machine that will work effectively to satisfy you.

Furthermore, with this giant device, you don’t need to worry about the cost of maintenance. It is very easy to operate and maintain – you only need to plug it in and select the right settings for you. The engine will help you empty about 1.gallon reservoir.

Other great attributes of this device are:​

We have successfully given you an honest review of the best dehumidifiers this year. The reviews are based on the features and attributes of each of the products to offer you a platform that will help you understand how dehumidifiers work and make the right choice.

ENERGY STAR dehumidifiers

Basements tend to be cooler than the rest of the house, or indeed than the outside air during warmer months. The cool basement walls cause that humidity to condense out of the air, leading to problems with mold and mildew.

So one way you can cut down on moisture is to reduce the amount of fresh air coming into your house, especially during humid weather.

Water can also seep through basement walls from outside your house. There are four angles of attack for reducing this seepage: directing surface water away, sealing the outside of the basement walls, sealing the inside surface, and improving drainage below your foundation. More on those points later.

A third source of moisture, particularly when the house is sealed up during winter, is all the water vapor produced by human activities such as breathing, showering, drying laundry indoors, and cooking. This can add up to as much as 80 liters or 20 gallons a day in an average house.

Keeping groundwater out

Here there are three options: seal your walls from the inside, seal your walls and floor from the outside, and improve drainage along outside walls and beneath your foundation. Which option you choose depends on factors such as your budget and whether digging outside, or renovating inside, are feasible.

If you have concrete basement floors (with no flooring on top) check for cracks or missing concrete in the floor, and patch as needed. Humidity can seep in through cracks and exposed sand.

Drainage under foundation footings: If you are lowering your basement, for example by underpinning or benching it, make sure part of the plan involves installing drainage tile below the footings, and a sump pit and sump pump for the water to collect in and be drained from. In fact, your city permit office may require this to be in the plans as a condition of granting your permit.

Reducing moisture production in the home

Remember that while there are definite health benefits to growing plants inside your home, indoor plants release plenty of moisture. The more you water them, the more water they release. Go for cacti and epiphytes, or keep your plant collection under control!

Use your intuition: If you think a bit about likely sources of moisture production within your home, you should be able to figure out ways to reduce moisture production.

Energy efficient dehumidifiers primer

Dehumidifiers remove moisture from the air using a compressor, condenser coils, and fan. Essentially a dehumidifier works like a miniature refrigerator, except that the purpose of the cooling cycle is to condense water out of the humid air, rather than to keep food cool.

Another type of low-capacity dehumidifier uses silica gel technology to absorb moisture, and once the gel is saturated, you move the dehumidifier to a dry area and heat it to remove the moisture. See the bottom of this page for more on silica gel based dehumidifiers. While they are not suitable for dehumidifying a basement or a room, they are great for smaller confined spaces, such as a sealed bin where you want to keep something dry for long term storage.

Go for a digital dehumidifier if you can

Digital dehumidifiers are ones with a built in humidistat, which measures the relative humidity or RH. There are typically two numbers displayed: current relative humidity, and desired relative humidity.

Use a hygrometer (humidity meter) to measure the RH in your home, and to determine whether your dehumidifier is set properly for the target humidity level. You can buy them from your hardware store or building center, or click on either of the models above to purchase one online.

Extra-cold basement? Get the right dehumidifier for the job.

If you hear this behavior, turn the dehumidifier off until the ice has melted and fallen away. If the behavior persists you may need to switch to a unit designed for cooler temperatures. For example, the Frigidaire low temperature dehumidifier shown at right (ENERGY STAR rated, 50 pints) can operate in temperatures as low as 42F.

Cutting energy costs, with whatever dehumidifier you use

No Credit Card Required

There are two types of dehumidifiers available, the rechargeable dehumidifier which uses a desiccant, and the refrigerant model. The rechargeable model is best used in closed spaces, such as closets. If you have a localized mold problem, this is the best dehumidifier to use, but you would need more than one of them, if you need a solution for your entire vehicle.

Refrigerant models are a better bet if you need to keep your whole camper mold-free. Any refrigerant unit will do the job, as long as it has sufficient capacity.

Extraction rate

This is a feature that is usually quoted by manufactures; however, comparing the different extraction rates on different dehumidifiers is hard, as different manufactures use different rates depending on the temperature and relative humidity. Also,the two types of dehumidifiers operate best at different temperatures, which makes it hard to compare different brands.

Generally, compressor dehumidifiers have a higher extraction rate.

Power consumption – what does it cost to run a dehumidifier?

Desiccant models use more power than compressor units. The running costs of a compressor can be compared to that of a refrigerator, while a desiccant dehumidifier uses about the same energy as a washing machine.  Desiccant dehumidifiers are generally quieter than refrigerant units, but the noise levels are unobtrusive.

Features  The best dehumidifiers will have the following features:

Comfort Aire Dehumidifier

This range of dehumidifiers has models. Most reviews of this brand relate to the relatively short life span. On a positive note, they are quiet, and so for those who treasure this as a feature, this is the brand you should go for. • BHD651G

This model is a very quiet for its 65-pint capacity. It is popular in basements and works well in areas up to 1100-sq. feet. • BHD501G

This dehumidifier works in areas as large as 900-sq. feet. It has a capacity of 50-pints. If you need a quiet RV dehumidifier, this will do just fine. • BHD301G

Delonghi Dehumidifiers

Delonghi dehumidifiers are well made by current standards, and manufactured in Italy, but have short working lives. The standards and ratings system in Europe differs from that in the States, so whatever pints per day rating they have, should be halved. For example, a Delonghi 50-pint is a Danby 25-pint, if you want to make a comparison.

Delonghi are more expensive than other brands, simply because it is manufactured in Italy, as opposed to China, where most other brands are made. If you are looking for an RV dehumidifier that is light weight, small, and quiet, Delonghi will probably have the perfect one for you.

DeLonghi SLIM DES 14

This dehumidifier is compact and easy to move. It is a medium-capacity dehumidifier that works fine in most family homes. This model could be considered a larger version of the DES1It makes some noise, but is overall a good choice as far as dehumidifiers go.

Delonghi SLIM DES 16

The slim design of this model allows you to place it flush against a wall, helping you to save space. It has all the advantages of the DES 14, but with more power, and a noise decibel level of 42dB. It is quieter than its competitors.

Eco Air ECO14LDF

This model is effective in a room no larger than 20-sq. meters. It can pull up to 14-liters of water every day, and weighs 2lbs. It also has a carrying handle that makes it easy to move around. It has electronic controls, giving it a very modern appearance.

Eco Air ECO14LDG

This unit is priced slightly higher than the ECO14LDF, due to some improvements. This dehumidifier works well in an RV, or any space not lager than 20-sq. meters. It is compact and portable with a carrying handle and castors. The improvement is on the noise level, which has been reduced by 2dB, which is almost negligible for most ears.

Eco Air ECO20LDK

This is yet another 20-liter model that is similar to the ECOAIR20LDF, but with some improvements. For starters, it is much larger, so as to accommodate the 4.5-liter bucket for water collection. This makes it ideal for those who cannot use the continuous drainage. The second improvement in this model is the noticeably quieter noise levels, ranging from 3to 42dB. For such a powerful unit, this is significantly quiet.

Eco Air DD122FW

This desiccant unit is very different from all others in this range. It is much quieter and lighter than the refrigerant units. Desiccant units work fine in very low temperatures, one or two degrees above freezing, though they extract less water than the refrigerant variety. Odors are also captured in the desiccant, which is a disadvantage. This dehumidifier is best used in your garage, or on your RV while in storage.

Frigidaire dehumidifiers

Frigidaire was founded as the Guardian refrigerator company, and developed the first self-contained refrigerator. The name was adopted in 1919, after General Motors acquired the company. General Motors owned it for the next 60 years, after which it was bought by Electrolux, its current owner. Among its other achievements, the company introduced the 1st room air conditioner. Frigidaire has a 70-pint, 50-pint and 30-pint models.

This is a great model for wet basements with a 70-pint capacity.

GE Dehumidifier

If you are looking for a portable dehumidifier, GE is the brand for you. All units are reliable and effective. They are also very attractive, and priced competitively, and are great for all areas including bathrooms, RVs, laundry areas, and basements. GE, or The General Electric Company, was rated the world’s second largest company in 20by Forbes. It was formed in 189with Thomas Edison as one of the partners. Since then GE has grown to become a world leader in the field of electric brands. GE Appliances, a subsidiary of GE, is the leading supplier of refrigerators, washers, air conditioners and dehumidifiers.

Haier 4pint DE45EJ

This is a portable model that can extract up to 45-pints of water a day. It works fine in an area no larger than 700-sq. feet and has a 25-pint bucket. Consumer reviews for the model are mixed, though most are centered on its short life span.

Haier DE65EJ-L

This unit can pull 65-pints of water from the air daily. It is lighter than most of its counterparts, but also has a tendency to break down quickly.

Large numbers of LG dehumidifiers are sold yearly. The brand is well known the world over, and the products are pleasing to the eye. Most customers express satisfaction with the brand that also manufactures cell phones, refrigerators, air conditioners and a host of other household appliances. The bad reviews are mostly centered on the life span of the units, as well as a high proportion of

The solution is fairly simple

The capacity of a residential dehumidifier is reported in “pints per day.” Typical residential dehumidifiers have capacities ranging from 2to 7pints per day. If you choose to buy a unit with a plastic tub that is emptied by hand, you should be aware that most dehumidifiers have tub volumes that are less than half the rated capacity of the unit. That means that if you expect the dehumidifier to achieve its rated capacity, you would need to empty the tub two or three times each day.

Most stand-alone dehumidifiers have controls that allow the user to choose a relative humidity (RH) setpoint and a fan speed. Of course, if you choose a low RH and a high fan speed, the appliance will use more energy than if you choose a higher RH and lower fan speed.

The efficiency of a dehumidifier (its energy factor or EF) is reported in liters per kWh. The federal government sets minimum efficiency standards for dehumidifiers:

The minimum requirement for an Energy-Star-labeled dehumidifier is more stringent, of course:

Any Energy Star

Labeling system sponsored by the Environmental Protection Agency and the US Department of Energy for labeling the most energy-efficient products on the market; applies to a wide range of products, from computers and office equipment to refrigerators and air conditioners. dehumidifier rated at 7pints per day or less must have a minimum EF of 1.8liters/kWh.

Dry air is good, but wringing moisture from the air is energy-intensive

Keeping your indoor humidity low is generally a good idea. During the winter, lowering the indoor humidity is easy (and relatively cheap): all you have to do is operate a ventilation fan. If you bring in cold outdoor air, the outdoor air will be dry. (Cold air can’t hold much moisture.)

The longer you run a ventilation fan, the lower your indoor relative humidity. To achieve this benefit, either an exhaust fan (for example, a bath exhaust fan) or a supply fan — or both — will work.

Operating your ventilation fan at a high rate during the winter carries an energy penalty, of course, because all of that outdoor air has to be heated. But the energy penalty associated with winter ventilation is much less than the energy penalty associated with running a dehumidifier. And fortunately, it’s rare to have high indoor humidity during the winter. Generally, the problem only occurs if the house is small and occupied by a large family, or if the house has a wet basement. Most homes have the opposite problem: indoor air is too dry, not too humid, during the winter.

During the summer, ventilation won’t help you lower the indoor relative humidity — especially if you live in the humid Southeast. When the weather is hot, the outdoor air is usually very humid. The more you ventilate, the more humidity you bring into your house. So during the summer, the best approach is to keep ventilation to a minimum.

As long as the outdoor temperature is hot, your air conditioner will probably be running for a few hours every day — enough to keep the indoor humidity under control. But during the spring and fall, your air conditioner won’t be running. That’s when you may need to turn on your dehumidifier.

Many homeowners aim for 50% or 60% indoor relative humidity during the spring, summer, and fall. If you use a dehumidifier to reach this goal, your dehumidifier will add heat to the house. But that’s not a big problem; if the indoor temperature gets too hot, your central air conditioner will turn on, further lowering your indoor humidity level.

Dehumidifying your indoor air under these circumstances is a good thing to do. Dryer indoor air is better for you house and probably better for your health. The only downside is the energy required to dehumidify the air. Homeowners have to find a balance they are comfortable with — a balance between very dry air and affordable energy bills.

Dehumidifiers don’t save energy

In other words, running your dehumidifier adds to your energy bill. But running a dehumidifier in a hot, humid climate makes sense if it solves problems that accompany thermal envelope improvements like improved airtightness, improved insulation levels, and better windows. As long as the dehumidifier is run only when needed — not excessively — it will take less energy to run a dehumidifier and an air conditioner in such a house than it would to operate only an air conditioner in a house with a worse thermal envelope.

A weapon of last resort

Dehumidifiers use a lot of energy, and are a blunt and undesirable weapon in the war against high indoor humidity. Your first defense in this war is to build a tight building envelope

Exterior components of a house that provide protection from colder (and warmer) outdoor temperatures and precipitation; includes the house foundation, framed exterior walls, roof or ceiling, and insulation, and air sealing materials. to minimize the infiltration of humid exterior air. Your second defense is to install and use exhaust fans in humid locations (in bathrooms and above kitchen stoves). Your third defense is to operate your air conditioner during hot weather.

In almost all locations in the U.S., air conditioners do an adequate job of dehumidifying indoor air. If you live in a tight, well insulated house in a very humid climate, you may have a hard time keeping indoor humidity under control during the swing seasons (spring and fall). In these homes, a stand-alone dehumidifier may be the best solution. However, installing a dehumidifier is always a last resort.





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Final Word

First of all thanks for reading my article to the end! I hope you find my reviews listed here useful and that it allows you to make a proper comparison of what is best to fit your needs and budget. Don’t be afraid to try more than one product if your first pick doesn’t do the trick.

Most important, have fun and choose your Energy Star Qualified Humidifiers wisely! Good luck!

So, TOP3 of Energy Star Qualified Humidifiers



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