DezAir DEZ1100 Dehumidifiers

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The DezAir DEZ-1100 Dehumidifiers has been discontinued.

The DezAir DEZ1100 dehumidifier has been discontinued. As an alternative we recommend the Fral FDK100 Low Temperature Dehumidifier by Aerus. Accessories available for purchase below.

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DezAir Dehumidifier Duct Kit


The cutting-edge DezAir Dehumidifier is a true workhouse that is engineered to keep your crawl space or basement dry, odor-free, healthy and properly maintained for many years to come. The DezAir is an innovative crawl space dehumidification system that will maximize energy efficiency and effectively operate down to low temperatures of 40°F. Its compact, low clearance design is small enough to fit in low-ceiling crawl spaces yet its 300 CFM fan motor is powerful enough to quickly dry a full size basement. And that’s not all. The DezAir crawl space dehumidifier is equipped with a MERV-11 filtration system for filtering dust mite waste, mold and other allergens as small as 2 microns. Available exclusively through, the DezAir crawl space dehumidifier is a system that has been custom-engineered to surpass the specifications of other models in the market and offers tremendous moisture extraction at a competitive price. Covers up to 2200 square feet.
  • Has a large crawl space or basement with humidity issues and is need of quick moisture removal.
  • Would like a crawl space dehumidifier that will handle large areas but features a compact, low profile design that will fit in tighter spaces.
  • Needs a reliable dehumidification system to protect ones belongings and furnishings from water damage, mold and mildew growth and odor.
  • Needs a unit that operates effectively in temperatures as low as 40°F.
  • Wants a powerful crawl space dehumidifier that is energy efficient and Energy Star rated.

  • Designed for crawl space and basement dehumidification
  • Low clearance design
  • Automatic defrost thermostat
  • Humidity control adjustment
    • Humid: 55 – 65% RH
    • Normal: 45 – 55% RH
    • Drier: 35 – 45% RH
  • Powerful 300 CFM motor ideal for air circulation
  • Comes standard with MERV-11 air filtration
  • Easy access for removing and installing filters
  • Fan only option independent of dehumidification
  • Gravity drainage hose connection
  • Optional condensate pump kit
  • Compatible with duct work
  • Energy star rated


View or download the DezAir User Manual
1. Room Coverage Based on 24 Hour Moisture Removal
2. Noise Level
3. Low Temperature Operation
4. Quality of the Continuous Drainage Option Included (Ease of hose attachment, location above the ground to improve the flow of water w/ gravity and provides the hose)
5. Bucket Capacity Not Applicable
6. Size, Weight and Maneuverability
7. Ease of Access to Bucket & to Remove and Replace Not Applicable
8. Energy Rating
9. Ability to Access Filter & to Remove, Clean and Re-install
10. Quality of Construction & Warranty
11. Value for the Price

The advanced DezAir dehumidifier is properly designed for installation in crawl spaces or basements that experience short and long term humidity conditions.


  • Cutting edge dehumidification for crawlspaces and basements. This unit will solve large dehumidification jobs quickly compared to multiple and less efficient dehumidifiers.
  • Features a compact, low-profile design that will fit comfortably in tight crawl space.
  • Uncomplicated, hassle free operation.
  • Built to last throughout from its carefully designed internal components to its robust housing.
  • Considering its powerful dehumidification and how much air it circulates, the DezAir is comparatively quiet for a crawl space dehumidifier in its class.
  • In the event of a power failure, the DezAir will automatically restart for least amount of interruption in its operation.
  • Its built-in MERV-11 cleans the air (down to 2 microns) as a secondary function.


  • At 86 lbs, the DezAir isn't our most lightweight unit.
  • No digital humidistat readout on the machine.


We were highly impressed with the DezAir's performance and will truly stand behind stating that this is one powerful, reliable and cost-effective solution to those with extreme moisture issues in the home or office. Right away, the DezAir crawl space dehumidifier delivered first rate water removal results quickly and efficiently. The DezAir is basically ready-to-go upon arrival: just install on blocks of your choice, set up the continuous drainage hose, plug in and let this dominant machine do all the work for you. Lastly, considering the quality and outstanding performance, we find the DezAir crawl space dehumidifier to represent excellent value for the money.

DezAir DEZ-1100 Dehumidifiers


DezAir DEZ-1100 Dehumidifiers

Technical Specifications of DezAir DEZ-1100 Dehumidifiers

  DezAir DEZ-1100 Dehumidifiers
Coverage Area
Coverage Area 2200 sq. ft.
Water Removal Capacity
Water Removal Capacity 109 pints per day set @ 80°F, 60% RH
Energy Factor (L/kWh)
Energy Factor (L/kWh) 2.9
Pints/ kWh
Pints/ kWh 6.4
Operating Temperature Range
Operating Temperature Range 40 to 95°F
CFM 300 cfm
Bucket Capacity
Bucket Capacity N/A - No buckets to empty
Drain Hose
Drain Hose Yes – Included
Noise Level
Noise Level 55-60 dB
Refrigerant Type
Refrigerant Type R410a
Auto Defrost
Auto Defrost Yes
Power Supply
Power Supply 700 watts, 6.4 amps, 110-120V, 60hz
Dimensions 20"W x 15"H x 37 1/4"D
Weight (lbs)
Weight (lbs) 86 lbs
Warranty 2 yr: parts/labor, 5 yr: sealed refrigeration system

Video Reviews of DezAir DEZ-1100 Dehumidifiers

Filters & Accessories for DezAir DEZ-1100 Dehumidifiers

DezAir Dehumidifier Duct Kit

For situations when the unit needs to be located outside of the area where humidity needs to be addressed. Includes duct ring and 25 foot flexible duct hose.

Availability: In Stock. Ships Same or Next Business Day.




Delivery Information:
  • Free curbside delivery service* is included with your purchase.
  • DezAir crawl space dehumidifiers are shipped via a freight carrier and require a delivery appointment. The freight carrier will contact you to set the date of delivery.

    Some rural areas may have issues with larger trucks and additional fees may apply to deliver to these areas.

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