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Quest Dehumidifiers

Developed in Madison, Wisconsin, Quest dehumidifiers have set the gold standard in energy efficiency, durability, reliability and flexibility.

With a full five-year warranty, Quest humidity control products come in a wide array of sizes and options, allowing you to customize and design your perfect environment for your industry’s specific needs.

  • Original price $15,399.95 - Original price $15,399.95
    Original price
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    Current price $15,399.95

    Quest 876 Dehumidifier | 876 Pints/Day | 220-240V

    QUEST 876 HIGH-CAPACITY SERIES Powered by patented coil technology that isn’t available anywhere else, the Quest 876 dehumidifier is designed to w...

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    Original price $15,399.95 - Original price $15,399.95
    Original price
    $15,399.95
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    Current price $15,399.95
  • Original price $11,499.95 - Original price $11,499.95
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    Current price $11,499.95

    Quest 746 Dehumidifier | 746 Pints/Day | 480V

    QUEST 746 DEHUMIDIFIER | 746 PINTS/DAY | 480V The Quest 746 480V dehumidifier features our patented M-CoRRTM technology. This multi-coil design re...

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    Original price $11,499.95 - Original price $11,499.95
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    Current price $11,499.95
  • Original price $7,699.95 - Original price $7,699.95
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    Current price $7,699.95

    Quest 506 Dehumidifier | 506 Pints/Day | 220-240V

     QUEST 506 DEHUMIDIFIER | 506 PINTS/DAY | 220-240V Powerful and efficient, the Quest 506 is the industry’s first 500-pint dehumidifier and is perf...

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    Original price $7,699.95 - Original price $7,699.95
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    $7,699.95
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    Current price $7,699.95
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    Current price $7,699.95

    Quest 506 Dehumidifier | 506 Pints/Day | 277V

    QUEST 506 Dehumidifier | 506 Pints/Day |  277V Powerful and efficient, the Quest 506 277V dehumidifier features their patented M-CoRRTM technology...

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    Original price $7,699.95 - Original price $7,699.95
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    Current price $7,699.95
  • Original price $5,199.95 - Original price $5,199.95
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    Current price $5,199.95

    Quest 335 Dehumidifier | 335 Pints/Day | 208-230V

    QUEST DEHUMIDIFIER | 335 PINTS PER DAY | 208-230V The Quest 335 dehumidifier is engineered specifically for commercial cannabis growers facing the...

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    Original price $5,199.95 - Original price $5,199.95
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    Current price $5,199.95

    Quest 335 Dehumidifier | 350 Pints/Day | 277V

    QUEST 335 DEHUMIDIFIER | 350 PINTS PER DAY | 277V The Quest 335 277V dehumidifiers offer the same quality and features as our original Quest 335 2...

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    Original price $5,199.95 - Original price $5,199.95
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    Current price $5,199.95
  • Original price $3,979.95 - Original price $3,979.95
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    Current price $3,979.95

    Quest Dual 205 Overhead Dehumidifier | 205 Pints/Day | 110-120V

    QUEST DUAL 205 OVERHEAD SERIES The Quest Dual 205 is the highest capacity 115V dehumidifier. Using 13.2 amps, the Dual 205 removes 205 pints of w...

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    Original price $3,979.95 - Original price $3,979.95
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  • Original price $3,299.95 - Original price $3,299.95
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    Current price $3,299.95

    Quest Next Gen 225 Dehumidifier | 225 Pints/Day | 230V

    Quest Next Gen 225 Dehumidifier | 225 Pints/Day | 230V The New Quest 225 208-230V dehumidifier boasts Quest’s energy-efficient M-CoRR Technology, a...

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    Original price $3,299.95 - Original price $3,299.95
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  • Original price $2,699.95 - Original price $2,699.95
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    Current price $2,699.95

    Quest Dual 165 Overhead Dehumidifier | 165 Pints/Day | 220-240V

    QUEST DUAL 165 OVERHEAD SERIES At only 3.6 amps, the Quest Dual 165 dehumidifier is one of the most energy-efficient commercial dehumidifiers on ...

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    Original price $2,699.95 - Original price $2,699.95
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    Current price $2,699.95
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    Current price $2,699.95

    Quest Dual 155 Overhead Dehumidifier | 155 Pints/Day | 110-120V

    QUEST DUAL 155 OVERHEAD SERIES The Quest Dual 155 dehumidifier is one of the most energy-efficient commercial dehumidifiers on the market today. ...

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    Original price $2,699.95 - Original price $2,699.95
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    Current price $2,699.95
  • Original price $2,055.62 - Original price $2,055.62
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    Current price $2,055.62

    Quest Dual 150 Overhead Dehumidifier | 150 Pints/Day | 110-120V

    QUEST DUAL 150 OVERHEAD SERIES The Quest Dual 150 removes almost 20 gallons a day and is is our most powerful mid-sized overhead type dehumidifie...

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    Original price $2,055.62 - Original price $2,055.62
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    Current price $2,055.62
  • Original price $1,690.52 - Original price $1,690.52
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    Current price $1,690.52

    Quest Dual 110 Overhead Dehumidifier | 110 Pints/Day | 110-120V

    QUEST DUAL 110 OVERHEAD SERIES The Quest Dual 110 dehumidifier is our smallest and lightest mid-size dehumidifier. It offers great water removal ...

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    Original price $1,690.52 - Original price $1,690.52
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  • Original price $2,460.52 - Original price $2,460.52
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    Current price $2,460.52

    Quest Dual 105 Overhead Dehumidifier | 105 Pints/Day | 110-120V

    QUEST DUAL 105 OVERHEAD SERIES The Quest Dual 105 is the most energy efficient dehumidifier in its class: Using only 4.9 amps, the Quest Dual 105...

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    Original price $2,460.52 - Original price $2,460.52
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    Current price $2,460.52
  • Original price $1,399.95 - Original price $1,399.95
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    Current price $1,399.95

    Quest 70 Pint Dehumidifier | 70 Pints/Day | 110-120V

    QUEST 70 HIGH-EFFICIENCY SERIES Controlling humidity in compact, unconditioned commercial spaces presents unique challenges. Variable temperature...

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    Original price $1,399.95 - Original price $1,399.95
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  • Original price $3,616.95 - Original price $3,616.95
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    Current price $3,616.95

    Quest Hi-E Dry 195 Portable Dehumidifier | 192 Pints/Day | 115V

    Quest Hi-E Dry 195 Portable Dehumidifier Get the flexibility in dehumidification you need in an economical package with the Quest Hi-E Dry 195. Th...

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    Original price $3,616.95 - Original price $3,616.95
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  • Original price $3,999.95 - Original price $3,999.95
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    Quest CDG 174 Portable Dehumidifier | 176 Pints/Day | 110-120V

    QUEST CDG 174 Portable SERIES Increase drying and curing times with the Quest CDG 174 Portable Dehumidifier. Assembled in Madison, Wisconsin, thi...

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    Original price $3,999.95 - Original price $3,999.95
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  • Original price $2,995.95 - Original price $2,995.95
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    Quest Hi-E Dry 120 Portable Dehumidifier | 120 Pints/Day | 110-120V

    Quest Hi-E Dry 120 Portable Dehumidifier Hi-E DRY 120 dehumidifiers are designed and built with emphasis on efficiency and durability. Hi-E DRY 12...

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    Original price $2,995.95 - Original price $2,995.95
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    Sold out
  • Original price $365.00 - Original price $365.00
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    Quest DEH 3000R Control

    Accurate Readings, Easy Interface Quest DEH 3000R remote wall mounted digital control for Quest ventilating dehumidifiers. Features fan/filter oper...

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    Original price $365.00 - Original price $365.00
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  • Original price $21.72 - Original price $21.72
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    Current price $21.72

    Quest Air Filter for Dual Overhead 105, 155, 165, 205, 225 Dehumidifiers

    MERV 11 STANDARD PLEAT FILTER – 16″ X 20″ X 2″ Replacement MERV-11 filter for the Quest PowerDry 4000, CDG174 and Dual 105, 155, 165, 205 and 225 D...

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    Original price $21.72 - Original price $21.72
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  • Original price $25.00 - Original price $25.00
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    Quest Dual 110/150 MERV-8 Replacement Filter

    QUEST MERV 8 STANDARD PLEAT FILTER – 17.5″ X 14″ X 1.75″ MERV-8 filter that measures 17.5″ X 14″ X 1.75″ Fits Quest Dual 110 and 150 Dehumidifiers.

    Original price $25.00 - Original price $25.00
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    Quest 70 Pint MERV-13 Replacement Filter

    QUEST MERV 13 FILTER – 11″ X 9″ X 1″ The Quest 70 Pint is equipped with a high-efficiency MERV-13 media filter. For optimal performance it is recom...

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    Original price $25.00 - Original price $25.00
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  • Original price $102.00 - Original price $102.00
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    Current price $102.00

    Quest 70 Pint Dehumidifier Hanging Kit

    HANGING KIT FOR QUEST 70 The Quest 70 may be suspended with a Hanging Bracket Kit. Includes 4 eyebolts, 4 cables with carabiners, and 2 brackets.  ...

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    Original price $102.00 - Original price $102.00
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  • Original price $31.38 - Original price $31.38
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    Current price $31.38

    Quest Overhead Dehumidifier Hanging Bracket

    HANGING BRACKET FOR QUEST 105, 155, 165, 205, 225 AND 185 COOL Quest Overhead Dehumidifier Hanging Bracket for Dual 105, 155, 165, 205 and 225. Req...

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    Original price $31.38 - Original price $31.38
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    Current price $31.38
  • Original price $215.00 - Original price $215.00
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    Current price $215.00

    Quest 506 Exhaust Duct Kit

    QUEST EXHAUST DUCT KIT FOR QUEST 506 AND 506 277V The Exhaust Duct Kit allows duct work to be attached to the intake on the Quest 506 Dehumidifier....

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    Original price $215.00 - Original price $215.00
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    Current price $215.00
  • Original price $555.00 - Original price $555.00
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    Current price $555.00

    Quest 506 Intake Duct Kit

    INTAKE DUCT KIT FOR QUEST 506, 506 277V, 746 480V, 876 AND 706 50-HZ The Intake Duct Kit allows ductwork to be attached to the intake on the Quest ...

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    Original price $555.00 - Original price $555.00
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  • Original price $135.00 - Original price $135.00
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    Current price $135.00

    Quest Dual 110/150 Supply Duct Kit

    SUPPLY DUCT KIT FOR QUEST DUAL 110 AND 150 The Supply Duct Kit allows a limited amount of duct work to be attached to the intake on Quest Dual 110 ...

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    Original price $135.00 - Original price $135.00
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    Current price $135.00
  • Original price $120.00 - Original price $120.00
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    Current price $120.00

    Quest 70 Supply/Return Duct Kit

    Quest 70 Supply/Return Duct Kit This is a Supply/Return Duct Kit for the Quest 70 Pint Dehumidifier. It includes two 8 in duct collars that attach ...

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    Original price $120.00 - Original price $120.00
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    Current price $120.00
  • Original price $77.00 - Original price $77.00
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    Current price $77.00

    Quest Supply Air Duct Collars for Overhead Dehumidifiers

    SUPPLY DUCT KIT FOR DUAL 105, 155, 165, 205, 225, AND 185 COOL This accessory allows a limited amount of ductwork to be attached to the air outlet ...

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    Original price $77.00 - Original price $77.00
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  • Original price $111.00 - Original price $111.00
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    Current price $111.00

    Quest Return Air Duct Collar for Overhead Dehumidifiers

    QUEST RETURN DUCT KIT FOR DUAL 105, 155, 165, 205, 225, AND 185 COOL This accessory allows a limited amount of ductwork to be attached to the intak...

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    Original price $111.00 - Original price $111.00
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    Current price $111.00
  • Original price $448.82 - Original price $448.82
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    Current price $448.82

    Quest F9 Air Mover

    QUEST F9 AIR MOVER FAN Prevent stagnant, damp air This low-profile air mover circulates 925 cubic feet of air per minute and can still fit into tig...

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    Original price $448.82 - Original price $448.82
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  • Original price $150.00 - Original price $150.00
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    Current price $150.00

    Quest Condensate Pump

    Overcoming Gravity Humidity can happen anywhere–not just next to a floor drain. Gain flexibility in where you install your dehumidifier with the T...

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    Original price $150.00 - Original price $150.00
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    Current price $150.00
  • Original price $1,999.95 - Original price $1,999.95
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    Current price $1,999.95

    Quest 100 Dehumidifier | 105 Pints/Day | 120V

    Quest 100 Dehumidifier The NEW Quest 100 combines Quest’s latest technology with with the versatility and flexibility of its compact product line....

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    Original price $1,999.95 - Original price $1,999.95
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    Current price $1,999.95

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