Top 5 Best Commercial Dehumidifiers

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The best commercial dehumidifier is a great tool for keeping away mold, helping with allergies, maintaining work sites, or for helping to dry out water damage after a flood or a burst pipe. There are a variety of features to consider, so it’s important to review the types of commercial dehumidifiers in order to find the best one for your needs. We have compiled a list of the following commercial dehumidifier reviews and ratings to make your search easier.

The 5 Top Commercial Dehumidifiers

Editor’s PicksBrandRating *
Best ChoiceAprilaire 1830 Pro Basement 70 Pint Commercial Dehumidifier♥♥♥♥♥
Premium PickBlueDri Industrial Commercial Dehumidifier With Hose♥♥♥♥♥
Best ValueAlorAir Commercial Water Damage 85 Pint Dehumidifier♥♥♥♡♡
Runner UpAlorAir Storm Elite Commercial Dehumidifier w/ Condensate Pump♥♥♥♥♡
Honorable MentionMaxx Air Rotational Molded Portable Commercial Dehumidifier♥♥♥♥♡

* Ratings are determined using our specialized rating system.

Commercial dehumidifiers come in a large variety of shapes and sizes at different price points, and the selection can be overwhelming. For those who aren’t sure which features to consider, keep reading to discover the 5 best commercial dehumidifiers so you can pick the best one for your individual needs and budget.★ Best Choice

Aprilaire 1830 Pro Basement 70 Pint Commercial Dehumidifier

Top 5 Best Commercial Dehumidifiers 1

Aprilaire 1830 Pro Basement 70 Pint Commercial Dehumidifier is the best commercial dehumidifier because it has multiple pint options for different home and industrial needs. Easy to use and convenient to adjust, it comes with a drainage hose.

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The Aprilaire 1830 Pro Basement 70 Pint Commercial Dehumidifier has two different styles for basements and crawlspaces. It comes in a variety of water removal capacities for different needs, so you can choose between the 75 pint per day, 90 PPD, and 130 PPD varieties. Designed and manufactured in the U.S.A., the standard model removes up to 70 pints (or 9 gallons) of water from the air per day and can handle spaces of up to 3,800 square feet.

This model is extremely easy to use and low maintenance. The aluminum coils resist corrosion, and there is no need to empty and clean out a water tray or water storage unit because it comes with a drainage hose. This Aprilaire model comes with the dehumidifier, filter, duct collar, and drain tube connection, so just set it where it’s needed and let it run.

Pros

  • Easily control humidity percentage with digital control panel
  • Quiet operation
  • Senses when the humidity percentage is off, saving electricity costs

Cons

  • Not compatible with 50 Hz power sources

♛ Premium Pick

BlueDri Industrial Commercial Dehumidifier With Hose

Top 5 Best Commercial Dehumidifiers 2

BlueDri Industrial Commercial Dehumidifier With Hose is the best commercial dehumidifier because it has a large 225-pint-per-day water removal capacity and is built for big jobs. It can be safely run overnight or for days at a time.

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The BlueDri Industrial Commercial Dehumidifier With Hose is an excellent commercial dehumidifier for large restoration projects and comes in either a 1-year or 5-year housing option. It has an impressive capacity to remove up to 225 pints (28 gallons) of water from the air per day. Its high-efficiency rotary compressor allows for maximum moisture extraction, whereas most home dehumidifiers have a PPD capacity of around seventy. It is heavy-duty enough to run for days at a time and be left running overnight, making it an excellent option for construction sites and buildings severely damaged by flooding.

This BluDri model is very easy to set up and use. It comes with an automatic water pump, timer, auto restart (after power outages), built-in timer, humidity and temperature sensors, and an easily adjustable digital panel.

Pros

  • Easy-to-clean, reusable filter
  • Includes a digital panel

Cons

  • May be too large for some jobs/sites

$ Best Value

AlorAir Commercial Water Damage 85 Pint Dehumidifier

Top 5 Best Commercial Dehumidifiers 3

AlorAir Commercial Water Damage 85 Pint Dehumidifier is the best commercial dehumidifier because it is designed specifically for flood repair and drying, and the small units are stackable for different sizes, spaces and jobs.

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The AlorAir Commercial Water Damage 85 Pint Dehumidifier is efficient despite its compact size, and the units are easily stackable for transportation or drying larger spaces. This unit can operate safely between temperatures of 33 and 105 degrees F, making it safe for most indoor and outdoor conditions. This model is energy-efficient, drawing just 5.5 A on a 115V power supply. It runs at a capacity of 85 PPD or 190 PPD at saturation.

Best of all, this unit is completely waterproof because the circuit board is 100% sealed with rubber, so it is ideal for jobs involving heavy water removal. The gas defrosting system allows the unit to clear ice from the dehumidifying coils as long as the temperature is at least 2 degrees Celsius (35 degrees Farhenheit). The epoxy that coats these humidifying coils helps prevent corrosion, extending the life of the dehumidifier even under extreme damp conditions like post-flooded spaces.

Pros

  • 5-year warranty and corrosion protection
  • HGV defrosting

Cons

  • Not designed to function in freezing conditions

♥ Top Pick

Runner Up: AlorAir Storm Elite Commercial Dehumidifier w/ Condensate Pump

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AlorAir Storm Elite Commercial Dehumidifier w/ Condensate Pump is the best commercial dehumidifier because it is built to last in high-moisture disaster environments. It auto restarts after power outages and can handle spaces of 3,000 square feet but is easily portable.

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The AlorAir Storm Elite Commercial Dehumidifier w/ Condensate Pump is built for the big jobs, as it is able to remove an impressive 270 pints of water from the air per day (at saturation condition, 125 PPD at AHAM). The power needs are relatively low despite the high PPD, as it pulls just 9 amps at the 125 PPD (AHAM standard). This unit dries spaces up to 3,000 square feet, and its efficiency makes it a great option for urgent drying and disaster restoration. With its 300 CFM (cubic feet per minute) airflow rate, this commercial dehumidifier effectively dries moisture from flooding, carpet cleaning, renovation, and other situations.

The AlorAir automatically restarts after power outages — an important feature in post-disaster zones. The condensate pump and drainage system allows for near-effortless removal of water since no dumping or cleaning is needed for a storage tank. Though the unit is a bit heavier than some related commercial dehumidifiers, its built-in wheels and robust bar handle allow for easy moving and maneuvering.

Pros

  • Easily mobile with handle and wheels
  • 5-year warranty

Cons

  • May be too large for smaller or home projects

♥ Top Pick

Honorable Mention: Maxx Air Rotational Molded Portable Commercial Dehumidifier

Top 5 Best Commercial Dehumidifiers 8

Maxx Air Rotational Molded Portable Commercial Dehumidifier is the best commercial dehumidifier because it is an efficient, lightweight option perfect for damp basements or smaller workspaces, as it is able to remove up to 145 pints of moisture from the air per day.

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The Maxx Air Rotational Molded Portable Commercial Dehumidifier is a great lightweight, affordable option for smaller jobs. It removes up to 75 pints of water per day (AHAM) and 145 PPD at saturation. The digital control panel has easy humidity and temperature controls. This commercial dehumidifier also boasts a warm air bypass to defrost the dehumidifying coils if it gets too cold.

This Maxx Air model is a good option for leaks, pipe bursts, and other water damage that can occur over the course of a renovation job or after flooding. If not immediately addressed, water damage can cause very expensive delays over the course of a job. It can also be used in a home setting for removing moisture from damp areas such as basements on a regular basis.

Pros

  • No installation required
  • Carbon air filter intake removes impurities
  • Stackable design to adjust to varying job sizes

Cons

  • Not built for large, severely damaged spaces

Features to Consider When Buying a Commercial Dehumidifier

Commercial dehumidifiers come in a variety of sizes and prices, and with all the technical jargon (AHAM? ETL? Saturation?), it can be difficult to make an informed purchase when reading reviews. Here are some of the most important features to consider when searching for the best industrial dehumidifier.

AHAM and Saturation

Often, commercial dehumidifiers will advertise two different PPD (pints per day, or pints of water removed from the air per day) values labelled “AHAM” and “Saturation.” But what do those actually mean? AHAM stands for Association of Home Appliance Manufacturers, so the AHAM value is based on the settings the AHAM recommends. The AHAM rating is based on an environment of 60% humidity and 80 degrees F, which is considered to be a realistic setting for everyday operation in normal buildings and structures.

The saturation rating is based on an environment with 90% humidity at 90 degrees F, which is a much more extreme condition that isn’t typical inside normal structures. However, this isn’t unrealistic in regularly flooded areas, so the higher saturation rating may be accurate for disaster relief in these places. The saturation rating is a measurement of the absolute most that a commercial dehumidifier can take out in a day.

ETL Listed

Some units will list “ETL” or “ETL Listed” in their features. A product with an ETL Listed mark means that it has been tested and found acceptable by an NRTL (an OSHA Nationally Recognized Testing Laboratory), acting as a guarantee for national standards in manufacturing and distribution. This doesn’t mean that products without the ETL Listed mark are not compliant, but it does act as an extra assurance that the commercial dehumidifier meets national standards.

Roto-Molded

Many dehumidifiers advertise that they are “roto-molded” or have “roto-molded castings.” Roto-molding, or rotational molding, is a manufacturing technique that involves using a rotating mold of cast aluminum or sheet steel, which allows manufacturers to monitor the air temperature within the mold, making it easier to prevent bubbles and other imperfections that weaken the plastic. Roto-molded plastic also does not have welding or seams, which can act as weak points on other types of plastic. Without these seams, roto-molded castings have no obvious weak points.

Benefits of Using Commercial Dehumidifiers

Commercial dehumidifiers are bulkier and more expensive than dehumidifiers for your home, but they are worth the added cost in many situations. Here are some benefits of using a commercial dehumidifier.

Post-Disaster

After large natural disasters like hurricanes or floods and severe home disasters like burst pipes, the number one priority is drying everything out as quickly as possible to prevent mold growth and to manage humidity in your home. In these cases, a commercial dehumidifier and different types of fans are necessary to try to save as much of the structure as possible. Water-damaged structures serve as a home for many bugs and fungi on top of a mold, which spells further disaster for buildings.

Comfort and Allergies

Even in non-disaster scenarios, dehumidifiers can help prevent or reduce mold and mildew growth as well as other allergens such as dust mites that trigger allergic reactions and asthma symptoms. Dust mites need a relative humidity of at least 70% in order to thrive, so intentionally maintaining a lower humidity can help prevent their spread.

Low humidity can also be more comfortable in hot, humid environments because sweat evaporates more easily in low-humidity environments. The evaporation of sweat is what allows you to cool, so low-humidity environments promote the body’s natural cooling process.

Precautions of Using Commercial Dehumidifiers

While commercial dehumidifiers can be an excellent tool in many commercial, industrial, and residential circumstances, they do have some downsides that should be considered when choosing a unit.

Noise

Some models of dehumidifiers are extremely noisy. This may not be such an issue for unfinished basements, crawl spaces, or on construction and renovation sites, but the noise can be problematic in a family room or bedroom. If noise could pose a problem for your commercial dehumidifier usage, check whether the dehumidifier is built to function silently or not. Generally, larger dehumidifiers are noisier, but this is not always the case.

Energy Bill

Especially if a large commercial dehumidifier is used for extended periods or left on for days/weeks at a time, the energy bill may increase. Oftentimes, dehumidifiers require a lot of energy. For post-flooding and post-disaster spaces, getting the area dry as quickly as possible has priority, but for consistent home basement and crawlspace usage, energy usage may be a consideration. Dehumidifiers and humidifiers that automatically turn on and off based on conditions often use less electricity, but you can generally expect an increase in energy bills depending on the model.

Requires Maintenance

Filters and storage tanks must be taken apart and cleaned regularly, but different models have different maintenance needs. Commercial dehumidifiers that use a drain hose tend to be lower maintenance because there is no storage tank to deal with.

Conclusion

When it comes to the best commercial dehumidifier review, the Aprilaire 1830 Pro Basement 70 Pint Commercial Dehumidifier is our top pick. This model offers a great balance of size, efficiency, and price, making it a good option for a variety of moderate-power commercial, industrial, and home settings. Especially since it comes in three different PPD models, you have the ability to buy a unit customized to your needs.

No matter which commercial dehumidifier ends up being best for your needs, we hope that our suggestions and explanations were helpful in your search, whether you need post-disaster relief or want to dry a damp basement.

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