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Finding the Best Dehumidifier for Crawl Space in 2021

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Last Updated: 23 April 2021
Dehumidifiers are as important as any appliances at home

Dehumidifiers are as important as any appliances at home. In fact, having the best dehumidifier for crawl space is essential especially if your abode is large or you stay in a humid environment. Since there is little to no ventilation in your crawl space, it can turn out to be damp and filled with moist giving opportunities to grow and spread of harmful allergens especially without dehumidifiers to absorb the moist.
Furthermore, in a bid to greatly reduce the humidity of your crawl space, it's highly recommended to choose from the best dehumidifier for crawl space under the house.

To get an excellent one, we have painstakingly reviewed the best dehumidifiers for crawl space 2021 as well as the dehumidifier ratings, and they all span over a wide range each giving distinctive features that make it outstanding.

Home Maker Guide created for informational purposes only. Thus, we neither endorse you in any way to buy specific products in our reviews, nor making you act like it’s written in our guides. We are reserving the rights for you to make your personal decision.

ARCHIE ADAMS

ARCHIE ADAMS

Editor-in-Chief of the Home Maker Guide

TOP 10 best dehumidifier for crawl space: Comparison Chart

Easy Maintenance: MIDEA Dehumidifier with Reusable Filter Review

Sale
MIDEA Dehumidifier with Reusable Filter
  • 4, 500 SQ FT DEHUMIDIFIER – Our dehumidifier are able to collect 50 pint (70 pint 2012 DOE standard) of water a day and adjust humidity from 35% to 85%, perfect for use in basement, bathroom, bedroom, or crawlspace. Maintaining a healthy 45%-55% humidity range has never been easier! Please note: depending on the climate in your area, as well as room size, you may need to purchase a larger unit for best effect
  • INNOVATIVE FEATURES – Auto restart function limits disruption due to power outages by engaging your chosen settings as soon as power is restored. Meanwhile, continuous dehumidification mode is perfect for keeping your home at the proper humidity level.
  • QUIET OPERATION – Quiet enough for use in bedrooms to maintain both healthy air quality and a relaxing environment. A maximum 51 decibel volume enables quiet operation that registers around the same volume as a quiet conversation.
  • EASY MAINTENANCE – Easily empty the included tank when it’s full, or simply connect a standard . 75 inch female garden hose (not included) to the built in socket for gravity fed continuous draining. Meanwhile, a reusable filter preserves air quality without expensive replacement parts.
  • WORLDWIDE - Midea is the world’s largest provider of air conditioning products. As a testament to our dedication to quality, we offer a one year parts and labor on this product.

Affordable model: Hysure Household Portable Mini Dehumidifier Review

Hysure Household Portable Mini Dehumidifier
  • High Humidity Removal: Dehumidification volume is up to 250ml/day which keeps the environment in a suitable humidity. Better use in 10-20 square meters space and the optimum climate is 86℉ and RH 80% environment.
  • Whisper Quiet: The compact dehumidifier uses Peltier Technology which makes it light and quiet. Noise is lower than 37dB, so it will not disturb your work, sleep or study. Perfect for use at night and small space.
  • Compact And Exquisite: This portable handy dehumidifier is highly flexible in application, such as home, crawl space, bathroom, RV, baby room, garage.
  • Auto Shut-Off: It will automatically shut off when the water tank is full and full indicator light will light up to inform you to empty the tank.
  • Energy Saving: Upgrade section dehumidifier with no chemical substances and low energy consumption, It Is an Ideal environmentally friendly solutions for absorbing damp and condensation. Energy saving and eco-friendly, not waste electricity.

Easy to Operate: Aprilaire Pro Crawl space Dehumidifier Review

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Aprilaire Pro Crawlspace Dehumidifier
  • BUILT TO LAST with corrosion-resistant aluminum coils, Aprilaire Dehumidifiers are designed and manufactured in the U.S.A. by Aprilaire, the leader in indoor air quality solutions
  • MINIMIZE AIRBORNE VIRUS SURVIVAL rates by keeping relative humidity below 60% with a dehumidifier
  • HELPS PREVENT MOLD, TERMITES, STRUCTURAL WOOD ROT, AND ODORS in a sealed crawl space, and damp carpeting and furnishing, mold, mildew, and odors in basements and whole homes
  • COMPACT SIZE (12.5” x 12.5” x 25”) fits through most crawl space doors, and between joists and tight spaces
  • REMOVES UP TO 9 GALLONS (70 pints) of water per day

Perfect for Colder Temperature: AlorAir Basement/Crawl Space Dehumidifier Review

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AlorAir Basement/Crawl Space Dehumidifier
  • Energy Star Certified Dehumidifier-quickly and effectively removes moisture with less energy than conventional dehumidifiers without racking up your energy bill, saving you money. This will be the best crawl space/basement dehumidifier you will ever use. Remove 55 pints per day at AHAM condition,120 Pint at saturation, up to 1,300 sq. ft, fit for any basement, crawl space, storage areas, garage, any large room, or commercial use.
  • Automatic Defrost-a quick and efficient defrosting process, truly makes the dehumidifier able to work at a low temperature (36 degrees Fahrenheit), if frost is detected on the coils, an automatic defrost cycle runs to avoid frost build-up and issues associated with that build up. Makes the unit work continuously and efficiently without periodic stopping during the defrosting process, not only saving the energy but also making the unit last longer.
  • INTERNAL CORROSION PROTECTION-an advanced technology to minimize corrosion and freon leakage, as you know in dehumidification applications, there always get oxide, hydroxide, or sulfide, normal coils get corrosion and freon leakage quickly, this innovative feature extends the life of the coils by providing protection against, maintaining the coil’s heat transferability.
  • DESIGNED FOR THE MODERN HOME-for your full satisfaction, we designed this professional dehumidifier with the modern consumer in mind, all special features make it the best for crawlspace, basement, and commercial applications, auto defrosting system, optional Remote control system, MERV-8 filter, Low-temperature operation, C-ETL, and Energy Star listed.
  • 5 Years Warranty-energy efficient & safety tested our sentinel HD55 dehumidifier is energy star certified and is fully compliant with the electrical safety ETL. Every AlorAir dehumidifier comes with a 5-year warranty with a local professional customer support team ready to assist at any time. If you have any questions, please feel free to contact us, you deserve the best after-sales service.

Eco-friendly: Hysure Quiet and Portable Dehumidifier Review

Hysure Quiet and Portable Dehumidifier
551 Reviews
Hysure Quiet and Portable Dehumidifier
  • Hight Efficient: Remove moisture up to 750ml per day(86℉,80%RH) and this air dehumidifier has one large removable water tank 2000ml. Protects your home from mold and mildew caused by excess moisture.
  • Ultra-Quiet Technology: Use peltier technology with no compressor makes it lightweight and quiet. Noise is below 33dB with no annoying sound, offer quiet and sound when you are sleeping.an choose humidity value to achieve the dehumidification effect.
  • Auto Shut Off: It is also programmed to shut off automatically once it has reached capacity. And indicator light will go on to remind you to empty the tank out.
  • Energy Saving: Upgrade section dehumidifier with no chemical substances and low energy consumption, It Is an Ideal environmentally friendly solutions for absorbing damp and condensation. Energy saving and eco-friendly, not waste electricity.
  • Portable and Compact: One-touch switch design helps you easily operate the unit. The size (8.9*5.9*14.6 inches) and lightweight (4.8lb). Ideal for rooms up to 2200 Cubic Feet (270 sq ft). You can easy to move it into bedrooms, bathrooms, and offices.

Energy Efficient: Honeywell Energy Star Dehumidifier Review

Honeywell Energy Star Dehumidifier
  • Energy Star qualified dehumidifier removes moisture with less energy than conventional dehumidifiers
  • Removes up to 30 pints of moisture (50 pint 2012 DOE standard) from the air every 24 hours in a room up to 3,000 square feet.
  • Controls humidity for a more comfortable home environment
  • Smart digital humidistat control system automatically senses room moisture levels and activates dehumidification
  • LED digital display indicates room temperature, humidity level and timer settings

User-friendly: Ivation Energy Star Dehumidifier Review

Ivation Energy Star Dehumidifier Dehumidifier
  • This Compressor Dehumidifier Keeps Spaces Up to 1,500 Sq. Ft. Cool & Comfortable by Removing 22 Pints of Moisture/Day (30 Pint according to the old DOE [Department of Energy] standards, in 2019 this was classified as 30 pint and it now needs to be classified as 22 pint but IT REMOVED THE SAME MOISTURE AS THE OLD 30 PINT)
  • Built-In Humidity Sensor - The LCD accurately displays the current humidity level in the room, enabling you to set your ideal levels for automatic moisture control
  • Low Maintenance & Easy Operation; Simply Plug-In, Select Settings & Empty 1.3 Gallon Reservoir
  • Bright LED Display Indicates Humidistat & Setting, Fan Speed, Timer, Filter Alert & More
  • Highlights Include Eco-Efficiency (ENERGYHighlights Include Eco-Efficiency (ENERGY STAR Certified), Casters, Auto-Defrost, & Auto-Restart STAR Certified), Casters, Auto-Defrost, & Auto-Restart

Noiseless Usage: Hysure Dehumidifier for Crawl Spaces Review

Hysure Dehumidifier for Crawl Spaces
  • Ultra-Quiet Technology: Use peltier technology with no compressor makes it lightweight and quiet. Noise is below 33dB with no annoying sound, offer quiet and sound when you are sleeping.
  • Compact And Convenient For Small Areas: Compact mini dehumidifier with 600 ml capacity tank extracts up to 300 ml (86℉,80%RH) of moisture daily to purify air in small spaces and a convenient option for baby room or other small indoor spaces. is below 33dB with no annoying sound,offer quiet and sound sleeping.
  • Energy Saving: Upgrade section dehumidifier with no chemical substances and low energy consumption, It Is an Ideal environmentally friendly solutions for absorbing damp and condensation. Energy saving and eco-friendly, not waste electricity.
  • Auto Shut Off: This portable moisture absorber will be shuts off automatically when tank is full and water is ready for removal.
  • Perfect After-sale Service: 30 days money back or exchange guarantee, 24 months warranty with professional customer service team to provide friendly and fast support.

Perfect for High Humidity: Keystone Dehumidifier with Electronic Controls Review

Keystone Dehumidifier with Electronic Controls
  • 35-PINT DEHUMIDIFIER: Quickly and efficiently remove up to 35 pints of moisture from the air per day in a space up to 3000 square feet to improve your air quality on many levels.
  • RELIABLE, CONVENIENT & EASY TO USE: Our model has electronic controls with LED Display and a 24-hour timer. Settings include Normal, Turbo, and Auto-Defrost to keep you comfortable around the clock.
  • ELIMINATES EXCESS MOISTURE FROM HUMID AIR: The Keystone portable dehumidifier can be placed in various locations throughout your home or apartment such as your attic, bedroom, basement, bathroom, garage, or any other environment.
  • CONTINUOUS DRAINING OPTION: For extreme conditions, a continuous draining option is available using a low-level drain and a standard garden hose (hose not included) instead of emptying the bucket.
  • REAP MANY BENEFITS: Protect your home and keep it safe from damage during wet, stormy weather. Whatever your purpose, this dehumidifier will help absorb extra water from your surroundings

Perfect for damp space: Frigidaire 70 Pint Dehumidifier with Wi-Fi Review

Frigidaire 70 Pint Dehumidifier with Wi-Fi
  • PORTABLE DEHUMIDIFIER FOR VERY WET ROOMS: Ideal for rooms from 3000-4500 sq. ft that are classified as wet to very wet. When moisture is excessive, this dehumidifier removes up to 70 pints of water per day, drying the air quickly and efficiently. Included rolling casters and integrated side handles make it easy and convenient to set up and put away, depending on the weather.
  • WIFI CONTROL: Connect your dehumidifier to the Frigidaire Smart Appliance app to turn the unit on or off, change humidity levels, or get notified when the bucket is full! This dehumidifier quietly removes excess moisture from the air, preventing mold and mildew, keeping your family safe and healthy. Fit for use in any damp spaces of the home, including attics, basements, bathrooms, and garages.
  • RELIABLE MOISTURE REMOVAL: With custom humidity control and 2 fan speeds, it is easy to maximize your comfort level by minimizing the moisture. Automatic Shut-Off and Full Tank Alert will let you know when the 2-gallon capacity bucket needs emptying. Or, set the unit to Continuous Drain mode, attach a standard garden hose (not included), and breathe easy as the unit runs independently, maintaining your indoor air quality.
  • WASHABLE FILTER: The benefits of this dehumidifier go beyond moisture removal thanks to the washable mesh filter that cleans the air of dust and allergens, reduces bacteria, and freshens the air.
  • EASY ACCESS BUCKET: The front pull-out bucket features an integrated carry handle and splash guards to ensure emptying the bucket is easy and keep you and your environment dry. A convenient front water level indicator provides at-a-glance updates as to status.

Buyer’s Guide: All You Need to Know About the best dehumidifier for crawl space

Do dehumidifiers work in crawl spaces?

Do dehumidifiers work in crawl spaces

Although there are whole house humidifiers, you can get it that is designated for the crawl space. These dehumidifiers tend to be smaller as it covers just a part of the house or the crawl space.

What size dehumidifier do I need for my crawl space?

This depends largely on the size of your crawl space, how much weight it can hold, and the degree of performance. High-performing dehumidifiers are heavier due to the large tank and the amount of water absorbed in a day and it’s only advised for buyers with continuous usage. The usage often time depicts the size.

How to maintain my dehumidifier for crawl space?

How to maintain my dehumidifier for crawl space

To properly maintain your crawlspace dehumidifier, make sure your clean water tank frequently to get all the residue at the base off. You should also do frequent check up on necessary components especially the filter, coil, and anti-frost system for durability and optimal use. Lastly, you should replace the components as when stipulated by the manufacturers.

How to Choose the best dehumidifier for crawl space

There are varieties of dehumidifiers out there with each of them having their distinctive features. However, it not just about knowing the best dehumidifiers in 2021 but also finding the most suitable for you can prove to be a herculean task. Although the crawlspace fans and dehumidifiers might seem the same to you, we will clear this up with how to choose a dehumidifier. If you are looking to buy a dehumidifier, here are a few things you need to consider when looking out to buy the best dehumidifier for the crawlspace.

Dimensions and weight

Does this dehumidifier fit into my crawlspace? This could be one of the most important questions to ask when choosing a dehumidifier. In a situation where the dehumidifier will only be useful at some time or season, there is a need to consider a dehumidifier that can easily be stored.

Weight

Weight also goes a long way in choosing a dehumidifier for the crawlspace. To get the most out of it, you must be sure it’s not too heavy in order not to cave in your crawlspace. Also, the heavier it is, the more stressful the transportation and installation.

Dehumidification Performance

Dehumidification Performance

This indicates how much moisture each dehumidifier can remove in the air in 24 hours. Some dehumidifiers take as little as 8 ounces to those that take up to 50 pints. The reason to always check out for this is to be sure it can work effectively in your climate and the temperature of your room. humid space will need a dehumidifier that has high dehumidification performance because of the larger quantity of moisture compared to places that aren’t warm.

Coverage Area

Since dehumidifiers for crawlspace have different coverage areas where moisture can be effectively removed, it is best to look out for the ones that have the coverage area for the space you want to place it. This can also be a simple cost-effective advantage since the wider the coverage the more expensive the dehumidifiers are.

Built-in humidistat

Some dehumidifier models show a real-time reading of the humidity in the air, this helps greatly in knowing the current temperature and also how effectively the dehumidifier is working. Although models that come with a built-in humidistat are quite on the high-end when it comes to price, it can be of great advantage in the long-run.

Pump

dehumidifier Pump

While some crawl space dehumidifier with pump has a pump, some don’t. However, it is advantageous to get the best dehumidifier with the pump since it will save your funds. Not just, since you will be using the dehumidifier in a crawl space, getting one with a pump will save you the time from going there every time to empty the tank.

Noise Level

While some models make distracting sounds, some are ultra-silent. Whichever the case, you need to consider where the dehumidifier will be located and what noise level can be comfortable. Take, for example, the dehumidifier placed in bedroom and places where you frequent daily must be noiseless to prevent distraction and frustration when in operation.

Energy Efficiency

This very much needs to be part of the things you watch out for when planning to buy a dehumidifier. The energy-efficiency of the product determines how much additional cost of electricity you will be incurred by using it. The best at energy-efficiency is the energy star products. They are certified as low energy consumption appliances compared to those that lack this certification.

Extra Features

Extra features are the things that are not very important while purchasing but seeing them will go a long way. Examples of these are heating system or anti-corrosion coils to prevent the breaking down of the machine, anti-shut-off, full tank alert system, or anything that can make it’s usage easier for you.

Ease of Installation

How easy a dehumidifier can be installed should go a long way in purchase consideration as it would determine if you can store it and reinstall it whenever you want without external help. Regarding installation, getting a dehumidifier whose part like pump, filter, and hose can be easily installed tends to bring comfortability.

Warranty

One can’t predict how well the dehumidifier can work and even when it works perfectly well, there are cases of it causing health reactions in homes. Hence, the need to return the appliance. Purchasing a dehumidifier that has a warranty could protect you in case of issues like this will go a long way. While there is a warranty for the products above, you will need to read more about it as some company’s warranty only covers some parts of the dehumidifier.

Price

You don’t want to go way over your budget now, do you? The best dehumidifier for crawl space 2021 varies in price, some costing below $50 and some above. Having a budget gets you in the line of sight of what you want without harming other responsibilities.

Best dehumidifier for crawl space types

Desiccant Dehumidifiers

Desiccant humidifiers make use of rotors that have them a substance that can absorb and retain water like the silica gel. The gel is made up of highly porous material of interwoven microscopic pores that extract water from air speedily. Moisture is absorbed from the air before being sent back to the atmosphere. The absorbed moisture is then heated by the desiccant material until it becomes a vapor that is then passed out of the building.

Refrigerant Dehumidifiers

This type of dehumidifier operates by removing moisture in the air and absorbing damp air within the crawl space before passing it on to a cold evaporator coil that cools the air. The moisture collected from this condensation is then passed to a container through which it can be eliminated after being stored there. After this, the dry air is moved through a warm condensing coil before exiting the machine.

Best dehumidifier for crawl space FAQ

Can I use a regular dehumidifier in a crawl space?

Although the crawl space fan vs dehumidifier argument has been making rounds due to certain similarities however the dehumidifiers have different designated places they can work effectively. As there are basement dehumidifiers you can check, it is optimally recommended to get the one designed for the crawl space.

What should the humidity be in my crawl space?

Since molds and mildew need around 70% humidity level to grow, it is often advised that the humidity of your crawl space be set at 55% to avoid damages, especially on a hardwood floor.

How much electricity does a dehumidifier use?

This depends largely on the model you are using but as it runs continuously you will be sure to have two to four hours of shut down to maintain such humidity. And besides, having dehumidifiers can serve as one of the best air compressors thereby reducing the cost of energy if you are to purchase one after getting a dehumidifier.

How long does a crawl space dehumidifier last?

According to statistics, with good maintenance, a dehumidifier for crawl space can last up more than five years of continuous usage.

Our verdict and Recommendations

Our Top pick from the dehumidifier for crawlspace review is no other than the MIDEA Dehumidifier with Reusable Filter. It is easy to use and regulate through its user-friendly control. Also, it has a very wide coverage area while having the ability to absorb as much as 70 pints of water in a day. It is also an easy to clean low maintenance model that needs cleaning once in a while and change of filter yearly. Thus, at homemakerguide, we highly recommend MIDEA Dehumidifier as our best dehumidifier for crawlspace 2021.

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PRODUCTS TESTED BY HomeMakerGuide
How We Tested
Through extensive and insightful research and statistics both done through primary and secondary means, we can compile the best all-round crawl space dehumidifier reviews that cut across all forms of usage, size of the crawlspace, climate, and level of humility. It is in this light that the MIDEA Dehumidifier with Reusable Filter proficiency is second to none for its easy usability while incurring low maintenance.
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