--- description: The Quest 70 industrial dehumidifier is compact, economical, high performing with one of the widest temp and RH operating ranges we offer. title: Quest 70 image: https://www.questclimate.com/wp-content/uploads/2017/11/Quest70-Main-e1675108283379.png --- [Skip to Content](#content) To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions. No, thanks Accept Discontinued # Quest 70
High-Efficiency Dehumidifier Series ## Model #4033750 ![quest-70-dehumidifier](https://www.questclimate.com/wp-content/uploads/2017/11/Quest70-Main-768x768.png) [![quest-70-dehumidifier](https://www.questclimate.com/wp-content/uploads/2017/11/Quest70-Main-e1675108283379-256x256.png) View Larger](https://www.questclimate.com/wp-content/uploads/2017/11/Quest70-Main-768x768.png) [![Compact white dehumidifier with a black front panel, featuring the "QUEST" logo and control knobs on the side.](https://www.questclimate.com/wp-content/uploads/2017/11/Quest70-Alt01-e1675108349762-256x256.png) View Larger](https://www.questclimate.com/wp-content/uploads/2017/11/Quest70-Alt01-768x768.png) [![Compact dehumidifier with a textured black front panel, control knobs, and a water outlet on the side.](https://www.questclimate.com/wp-content/uploads/2017/11/Quest70-Alt02-e1675108422949-256x256.png) View Larger](https://www.questclimate.com/wp-content/uploads/2017/11/Quest70-Alt02-e1675108422949-768x768.png) [![White power supply unit with a hexagonal vent, labeled controls, and a cable connected at the bottom.](https://www.questclimate.com/wp-content/uploads/2018/08/Quest70_50hz-04-e1675108500697-256x256.png) View Larger](https://www.questclimate.com/wp-content/uploads/2018/08/Quest70_50hz-04-768x768.png) @ 80 F | 60% RH - Capacity **70 Pints/Day** - Efficiency **5 Pints/kWh** - Supply Voltage **110-120V** - Current Draw **5.1 Amps** ### This unit has been discontinued. We have discontinued the Quest 70. Please check out the Quest 100 for our most compact option. It’s more energy-efficient! [Quest 100](https://www.questclimate.com/dehumidifiers/quest-100/) [Where to buy](https://www.questclimate.com/where-to-buy/) [Find Accessories](https://www.questclimate.com/product-tag/quest-70-accessories/) ![Warranty | Madison | Title 24 Compliant](https://www.questclimate.com/wp-content/uploads/2023/01/combined-logos-4.png) ## Overview Controlling humidity in compact, unconditioned commercial spaces presents unique challenges. Variable temperatures and constrained placement means you need a targeted solution. That’s where the Quest 70 comes in. This compact, economical, high performing dehumidifier has one of the widest temperature and relative humidity operating ranges we offer. The Quest 70 dehumidifier is engineered in Madison, Wisconsin. It’s backed by a 5-year warranty. In addition, this unit meets California Title 24 requirements for both ducted (whole-home) and non-ducted (portable) installations. ### Industries - [Agriculture →](https://www.questclimate.com/industries/agriculture/) - [Industrial & Manufacturing →](https://www.questclimate.com/industries/industrial-manufacturing/) - [Science & Technology →](https://www.questclimate.com/industries/science-technology/) - [Sports & Recreation →](https://www.questclimate.com/industries/sports-recreation/) ### Industries - [Agriculture →](https://www.questclimate.com/industries/agriculture/) - [Industrial & Manufacturing →](https://www.questclimate.com/industries/industrial-manufacturing/) - [Science & Technology →](https://www.questclimate.com/industries/science-technology/) - [Sports & Recreation →](https://www.questclimate.com/industries/sports-recreation/) ## key features ![illustration of the plug-end of a power cord inside of a hexagonal icon](https://www.questclimate.com/wp-content/uploads/2024/01/Energy-Efficient-Icon.png) #### PLUG-N-PLAY No installation required ![illustration of a green power cord with the end of it turning into a leaf](https://www.questclimate.com/wp-content/uploads/2024/01/Lowest-amps-icon.png) #### INDUSTRY’S LOWEST AMP DRAW More efficient units have less heat output and free up electricity for other equipment ![illustration showing a dial inside a hexagon icon](https://www.questclimate.com/wp-content/uploads/2024/01/Onboard-Dehumidistat-Icons.png) #### ONBOARD DEHUMIDISTAT Along with a low voltage terminal block ## Features ### OVERHEAD OR GROUND PLACEMENT Built to fit what works for your space ### HIGH EFFICIENCY No dehumidifier is more efficient ### WIDEST OPERATING RANGE Of temperature and relative humidity ### UL RATED AND ETL LISTED The highest safety standard ### LONG POWER CORD For extended reach ### AUTO RESTART Unit automatically defaults to prior settings in the event of a power outage ### MERV 13 FILTRATION Superior filtration removes more harmful contaminants from the air such as dust, pollen and mold as well as bacteria and some viruses ### COMPACT UNIT For mobility and a small footprint that won’t interfere with operations ## Specifications ### @ 80 F / 60% RH ### Water Removal 70 Pints/Day ### Efficiency 5 Pints/kWh ### Energy Factor 2.4 Liters/kWh ### Current Draw 5.1 Amps ### Power 580 Watts ### BTU (Total) 5,000 ### BTU (Heat of Condensation) 3,000 ### BTU (Motor Load) 2,000 ### @ 75 F / 50% RH ### Water Removal 43 Pints/Day ### Efficiency 3.3 Pints/kWh ### Energy Factor 1.6 Liters/kWh ### Current Draw 4.9 Amps ### California Title 24 Compliant ### Non-Ducted Energy Factor 3.9 Pints/kWh @ 65 F | 60% RH ### Ducted Energy Factor 4.2 Pints/kWh @ 73 F | 60% RH ### Part Number 4033750 ### Dehumidifier Type Refrigerant Dehumidifier ### CFM 150 ### Operating Temperature 56 F Min – 100 F Max ### Supply Voltage 110–120 VAC, 1 Phase, 60 Hz ### Unit Dimensions 12″ W x 12″ H x 21.5″ L ### Unit Weight 55 lb ### Control Type Onboard controls with low voltage terminal block ### Air Filter MERV Rating MERV 13 ### Air Filter Dimensions 9″ x 12″ x 1″ ### Power Cord 110-120 VAC ### Refrigerant Type R410A ### Refrigerant Amount 15 oz ### Drain Port Connection 3/4″ Threaded NPT ### Warranty 5 Year ![Condensation on window](https://www.questclimate.com/wp-content/uploads/2022/06/iStock-910133182.jpg) ## Downloads ### Specs [Quest 70 Spec Sheet →](https://www.questclimate.com/wp-content/uploads/2020/09/Quest_Climate_70_Spec.pdf) [Quest 70 Revit (.rfa) →](https://www.questclimate.com/wp-content/uploads/2022/02/QUEST_70_Dehumidifiers.rfa) [Quest 70 Revit (.pdf) →](https://www.questclimate.com/wp-content/uploads/2022/02/QUEST_70_Dehumidifiers_3D_PDF.pdf) ### Literature [Quest Indoor Farming Brochure →](https://www.questclimate.com/wp-content/uploads/2021/10/Quest-Indoor-Farming-Brochure_2022-1.pdf) [Download →]() [Quest Industrial Refrigeration Brochure →](https://www.questclimate.com/wp-content/uploads/2022/08/Quest-Industrial-Refrigeration-Brochure.pdf) ### Operation [Quest 70 Manual →](https://www.questclimate.com/wp-content/uploads/2019/03/70-Manual-TS-1010.pdf) ## Sizing & Selection ![properly size dehumidification equipment](https://www.questclimate.com/wp-content/uploads/2021/02/Ep06_Thumbnail.jpg) [How to properly size your dehumidification equipment (VIDEO)](https://www.questclimate.com/how-to-properly-size-your-dehumidification-equipment-video/) ### How to properly size your dehumidification equipment (VIDEO) Getting at how much humidity control you need isn’t the international man of environmental control mystery, like many of us think. In fact, how to properly size your dehumidifiers is relatively straightforward IF you have the necessary data. [Read More →](https://www.questclimate.com/how-to-properly-size-your-dehumidification-equipment-video/) ![quest perfect your set up](https://www.questclimate.com/wp-content/uploads/2018/04/Quest_How-to-perfect-your-setup.jpg) [Grow room dehumidifiers: Perfect your setup](https://www.questclimate.com/perfect-grow-room-dehumidifier/) ### Grow room dehumidifiers: Perfect your setup When the team at East Coast Cultivation set out to build its new indoor grow operation in Rhode Island, it knew it had to nail one thing: environmental controls. [Read More →](https://www.questclimate.com/perfect-grow-room-dehumidifier/) ![plants](https://www.questclimate.com/wp-content/uploads/2017/09/top-view-of-green-plants-nature-full-frame-WMV3USY-scaled.jpg) [Vapor Pressure Deficit and Why it Matters](https://www.questclimate.com/cannabis-vpd/) ### Vapor Pressure Deficit and Why it Matters The gardening world is filled with trends and phrases that come and go as quickly as they’re created. Sometimes these concepts are thrown around without full understanding, especially with the more scientific processes. One of the most misunderstood concepts is vapor pressure deficit, or VPD, as it’s commonly called. [Read More →](https://www.questclimate.com/cannabis-vpd/) ### Need Help Sizing? Our humidity experts are standing by to assist. [1-877-420-1330](tel:1-877-420-1330) | [sales@questclimate.com](mailto:sales@questclimate.com) ## Installation Options ![A simple, white microwave sits on a gray platform against a green background.](https://www.questclimate.com/wp-content/uploads/2022/06/freestanding-dehumidifier-5.png) Freestanding unit ![Overhead dehumidifier](https://www.questclimate.com/wp-content/uploads/2022/06/overhead-dehumidifier-5.png) Hanging Kit Available ![Proper P-trap diagram for Quest dehumidifier](https://www.questclimate.com/wp-content/uploads/2022/06/p-trap-1.png) P-Trap Requirements ## Quest 70: Discover your potential savings. 1 How much does your energy cost? kW Cost$ 2 How much water do you need to remove? Vegetation Period 4 Weeks 80F/60%, Filter 100%gal/day Flower Period 7 Weeks 75F/55%, Filter 50%gal/day Flower Period 2 Weeks 70F/50%, Filter 25%gal/day 3 How much does the competing dehumidifier cost? MSRP per Machine$ ### Quest 70 Machines/Room 4 Equipment Cost @ MSRP 4 × $1299.95 $ 4800 Vegetation Period (4 Weeks) 80F/60%, Filter 100% $ 2400 Flower Period (7 Weeks) 75F/55%, Filter 50% $ 1600 Flower Period (2 Weeks) 70F/50%, Filter 25% $ 114 Operating Costs Per 3mo Grow Cycle $ 4114 Yearly Costs $ 16,457 × 5 Year 1 4 Grow Cycles $ 16,457 Year 2 4 Grow Cycles $ 16,457 Year 3 4 Grow Cycles $ 16,457 Year 4 4 Grow Cycles $ 16,457 Year 5 4 Grow Cycles $ 16,457 Total Cost (5 Years) Equipment + Operating Cost $ 123631 ### Competitor 70 Machines/Room Additional competitor units may be needed to address total water removal at rated conditions due to ppd de-rated capacity. Quest 70: 34 gal/day de-rated capacity Competitor 70: 40 gal/day de-rated capacity 4 Equipment Cost @ MSRP 5 × $1636.53 $ 4800 Vegetation Period (4 Weeks) 80F/60%, Filter 100% $ 3304 Flower Period (7 Weeks) 75F/55%, Filter 50% $ 3177 Flower Period (2 Weeks) 70F/50%, Filter 25% $ 240 Operating Costs Per 3mo Grow Cycle $ 4114 Yearly Costs $ 16,457 × 5 Year 1 4 Grow Cycles $ 16,457 Year 2 4 Grow Cycles $ 16,457 Year 3 4 Grow Cycles $ 16,457 Year 4 4 Grow Cycles $ 16,457 Year 5 4 Grow Cycles $ 16,457 Total Cost (5 Years) Equipment + Operating Cost $ 180012 ## Total Savings Over 5 Years ### $ 56,381 ![]() ```json {"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.questclimate.com\/dehumidifiers\/quest-70\/","url":"https:\/\/www.questclimate.com\/dehumidifiers\/quest-70\/","name":"Quest 70 industrial dehumidifier | Quest Climate","isPartOf":{"@id":"https:\/\/www.questclimate.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.questclimate.com\/dehumidifiers\/quest-70\/#primaryimage"},"image":{"@id":"https:\/\/www.questclimate.com\/dehumidifiers\/quest-70\/#primaryimage"},"thumbnailUrl":"https:\/\/www.questclimate.com\/wp-content\/uploads\/2017\/11\/Quest70-Main-e1675108283379.png","datePublished":"2022-06-08T19:31:55+00:00","dateModified":"2026-08-25T20:08:54+00:00","description":"The Quest 70 industrial dehumidifier is compact, economical, high performing with one of the widest temp and RH operating ranges we offer.","inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.questclimate.com\/dehumidifiers\/quest-70\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.questclimate.com\/dehumidifiers\/quest-70\/#primaryimage","url":"https:\/\/www.questclimate.com\/wp-content\/uploads\/2017\/11\/Quest70-Main-e1675108283379.png","contentUrl":"https:\/\/www.questclimate.com\/wp-content\/uploads\/2017\/11\/Quest70-Main-e1675108283379.png","width":1000,"height":552,"caption":"quest-70-dehumidifier"},{"@type":"WebSite","@id":"https:\/\/www.questclimate.com\/#website","url":"https:\/\/www.questclimate.com\/","name":"Quest Climate","description":"","publisher":{"@id":"https:\/\/www.questclimate.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.questclimate.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.questclimate.com\/#organization","name":"Quest Climate","url":"https:\/\/www.questclimate.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.questclimate.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.questclimate.com\/wp-content\/uploads\/2023\/02\/Q-Black-Logo_Hrz_RGB_2022-02.png","contentUrl":"https:\/\/www.questclimate.com\/wp-content\/uploads\/2023\/02\/Q-Black-Logo_Hrz_RGB_2022-02.png","width":2009,"height":592,"caption":"Quest Climate"},"image":{"@id":"https:\/\/www.questclimate.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/QuestClimate","https:\/\/www.instagram.com\/quest_hydro\/","https:\/\/www.linkedin.com\/company\/quest-dehumidifiers"]}]} {"@context":"https://schema.org","@graph":[{"@type":"LocalBusiness","@id":"https://www.questclimate.com/#organization","name":"Quest Climate","url":"https://www.questclimate.com","logo":"https://www.questclimate.com/wp-content/uploads/2023/07/Green-Logo_Hrz_small.png","image":"https://www.questclimate.com/wp-content/uploads/2023/07/Green-Logo_Hrz_small.png","address":{"@type":"PostalAddress","streetAddress":"4201 LIEN RD.","addressLine2":"","addressLocality":"Madison","addressRegion":"WI","postalCode":"53704","addressCountry":"US"},"telephone":"1-877-420-1330","sameAs":["https://facebook.com/QuestClimate","https://instagram.com/quest_climate","https://linkedin.com/company/quest-climate","https://youtube.com/c/QuestClimate"]}]} ```