--- title: Quest 100 50Hz description: The Quest 100 50Hz is a high-performance dehumidifier engineered for 50Hz international markets. Featuring patented M-CoRR® technology, this compact unit removes 44 liters of moisture per day with industry-leading efficiency. Its plug-and-play design, MERV 13 filtration, and intuitive digital controls make it the ideal solution for precision humidity management in tight or sensitive industrial spaces. image: https://www.questclimate.com/wp-content/uploads/2023/06/Quest100-Hero.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 # Quest 100 50Hz
International Dehumidifier Series ## Model #4046590-XX ![White Quest 100 Dehumidifier with black corrosion resistant base, digital controls, and MERV-13 filter on the side.](https://www.questclimate.com/wp-content/uploads/2023/02/hero-images-Q100-07-1024x792.png) [![White Quest 100 Dehumidifier with black corrosion resistant base, digital controls, and MERV-13 filter on the side.](https://www.questclimate.com/wp-content/uploads/2023/02/hero-images-Q100-07-256x256.png) View Larger](https://www.questclimate.com/wp-content/uploads/2023/02/hero-images-Q100-07-1024x792.png) [![Close-up of Quest 100 dehumidifier showing the digital control panel in dramatic lighting](https://www.questclimate.com/wp-content/uploads/2023/06/Quest-100_Digital-Controls-256x256.jpg) View Larger](https://www.questclimate.com/wp-content/uploads/2023/06/Quest-100_Digital-Controls-1024x683.jpg) @ 26.7 C | 60% RH - Capacity **44 Liters/Day** - Efficiency **3.2 Liters/kWh** - Supply Voltage **230V, 50 Hz** - Current Draw **2.5 Amps** [Where to buy](https://www.questclimate.com/where-to-buy/#WheretoBuyInternational) [Find accessories](https://www.questclimate.com/product-tag/quest-100-50hz-accessories/) ![Text logo stating "Engineered Assembled Madison Wisconsin" alongside a "Three Year Warranty" badge.](https://www.questclimate.com/wp-content/uploads/2022/06/badges-3yr.png) ## Overview ### Powerful moisture control. plug-and-Play design. The **Quest 100 50Hz** is engineered for precision dehumidification in tight environments that demand consistent performance. Designed exclusively for 50Hz markets, this compact solution is ideal for small grow rooms, dry rooms, storage units, and other climate-sensitive spaces where every square meter matters. Featuring [**patented M‑CoRR Technology**](https://www.questclimate.com/M-CoRR®®-technology/), the Quest 100 50Hz is built for performance — removing 44 litres of moisture per day (at 26.7°C/60% RH) with industry-leading energy efficiency in a footprint that’s 20% smaller than traditional systems. It’s an ideal fit for facilities with limited space. Unlike traditional dehumidifiers, its internal drainage system eliminates the need for a P-trap, making installation faster and easier. Its compact size and corrosion-resistant base make the Quest 100 ideal for moist commercial and industrial spaces. With intuitive digital controls, the Quest 100 offers accurate relative humidity management, helpful maintenance alerts, diagnostic insights, and dark mode to reduce light in sensitive zones. The Quest 100 50Hz is your no-hassle solution for reliable, industrial humidity control. ### Engineered for ease. Built to perform. Engineered and assembled in the USA, Quest products are backed by a reputation for reliability with high quality components. Not in a 50hz region? This model is also available for [60hz regions](https://www.questclimate.com/dehumidifiers/quest-100/). ### Industries - [Agriculture →](https://www.questclimate.com/industries/agriculture/) - [Distribution & Logistics →](https://www.questclimate.com/industries/distribution-logistics/) - [Energy & Utilities →](https://www.questclimate.com/industries/energy-utilities/) - [Food & Beverage →](https://www.questclimate.com/industries/food-beverage/) - [Industrial & Manufacturing →](https://www.questclimate.com/industries/industrial-manufacturing/) - [Inside Self-Storage →](https://www.questclimate.com/industries/inside-self-storage/) - [Natural Supplements →](https://www.questclimate.com/industries/natural-supplements/) - [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/) - [Distribution & Logistics →](https://www.questclimate.com/industries/distribution-logistics/) - [Energy & Utilities →](https://www.questclimate.com/industries/energy-utilities/) - [Food & Beverage →](https://www.questclimate.com/industries/food-beverage/) - [Industrial & Manufacturing →](https://www.questclimate.com/industries/industrial-manufacturing/) - [Inside Self-Storage →](https://www.questclimate.com/industries/inside-self-storage/) - [Natural Supplements →](https://www.questclimate.com/industries/natural-supplements/) - [Science & Technology →](https://www.questclimate.com/industries/science-technology/) - [Sports & Recreation →](https://www.questclimate.com/industries/sports-recreation/) ## Key features ![Green electric plug icon with a lightning bolt, set against a dark teal hexagonal background.](https://www.questclimate.com/wp-content/uploads/2024/10/plug-n-play.png) ### plug-n-play No installation needed ![Green "M-CoRR®" logo on a dark blue hexagonal background, featuring a modern and sleek design.](https://www.questclimate.com/wp-content/uploads/2024/01/Website-_Icons_mcorr.png) ### Patented M-CoRR® technology This Multi-Coil Refrigeration Recovery technology achieves the highest efficiencies available in the market [Learn More about Patented M-CoRR® technology](https://www.questclimate.com/M-CoRR®®-technology/) ![green power button icon in the shape of a hexagon](https://www.questclimate.com/wp-content/uploads/2024/12/Website-Icon-digital-control-wide-22.jpg) ### onboard dehumidistat Easy digital controls featuring self-diagnostics and “Dark Mode” to limit light pollution ## Features ### COMPACT UNIT For mobility and a small footprint that won’t interfere with operations ### 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 ### WIDEST OPERATING RANGE Of temperature and relative humidity ### AUTO RESTART Unit automatically defaults to prior settings in the event of a power outage ### DIGITAL CONTROL Digital control interface with external control option ### PRECISION CONTROL Easy-to-use controls deliver precise variable grain depression to meet requirements of any application ### OVERHEAD OR GROUND PLACEMENT Built to fit what works for your space ### HIGH EFFICIENCY No dehumidifier is more efficient ## Digital Controls ### **Precise RH Setpoints** Fine-tune relative humidity control in 1% increments ### ****system status** Indicators** Visual indicators during defrost, and self-diagnostics helping to simplify service and maintenance ### **maintenance alerts** Including filter change reminders after 2,000 fan hours ### Optional ****dark mode**** Disables all display lights to reduce light pollution in sensitive environments ### Fan Mode Selection Select “Auto” for on-demand circulation or “On” for continuous airflow ### **external control** Capability Terminal control mode allows for connection via a 24V terminal block, disabling the onboard RH sensor when active ## Specifications ### @ 26.7 °C | 60% RH ### Water Removal 44 Liters/Day ### Efficiency 6.7 Pints/kWh ### Energy Factor 3.2 Liters/kWh ### Current Draw 2.5 Amps ### Power 540 Watts ### BTU (Total) 6,200 ### BTU (Heat of Condensation) 4,200 ### BTU (Motor Load) 2,000 ### @ 23.9 °C | 50% RH ### Water Removal 29.3 Liters/Day ### Efficiency 5.0 Pints/kWh ### Energy Factor 2.4 Liters/kWh ### Current Draw 2.2 Amps ### Part Number 4046590-XX ### Dehumidifier Type Refrigerant Dehumidifier ### CFM 280 ### Operating Temperature 13 °C Min–35 °C Max ### Supply Voltage 230 V ### Unit Dimensions 61cm (L) x 40.6cm (W) x 36.8 cm (H) ### Unit Weight 27.2 kg ### Control Type Onboard digital controls with low voltage terminal block ### Air Filter MERV Rating MERV 13 ### Air Filter Dimensions 30.5 x 35.6 x 2.5 cm ### Recommended Breaker Size (EU, AU, ZA) 15 Amp ### Recommended Breaker Size (UK) 13 Amp ### Power Cord 3m FEM IEC 60320-C13 ### Refrigerant Type R454b ### Refrigerant Amount 17 oz ### Drain Port Connection 1.9cm Threaded NPT ### Fans Variable speed EC Motor ### Warranty 3 Year Limited ## Installation Options ![Free-standing dehumidifier](https://www.questclimate.com/wp-content/uploads/2022/06/freestanding-dehumidifier-4.png) Freestanding dehumidifier ![Overhead dehumidifier](https://www.questclimate.com/wp-content/uploads/2022/06/overhead-dehumidifier-5.png) Hanging kit available ![Condensation on window](https://www.questclimate.com/wp-content/uploads/2022/06/iStock-910133182.jpg) ## Downloads Specs [Quest 100 50hz Spec Sheet Download Quest 100 50hz Spec Sheet](https://www.questclimate.com/wp-content/uploads/2025/07/QUEST-100-50hz-Spec-Sheet.pdf "Download Quest 100 50hz Spec Sheet") Operation [Quest 100 50hz Quick Start Guide Download Quest 100 50hz Quick Start Guide](https://www.questclimate.com/wp-content/uploads/2025/07/Quest_100_50HZ_Quick_Start_Guide_TS-2140_web.pdf "Download Quest 100 50hz Quick Start Guide") [Quest 100 50hz Manual Download Quest 100 50hz Manual](https://www.questclimate.com/wp-content/uploads/2025/07/Quest_100_50hz_Manual.pdf "Download Quest 100 50hz Manual") 3D Models [Quest 100 Revit RFA Download Quest 100 Revit RFA](https://www.questclimate.com/wp-content/uploads/2024/01/Q100_Shell.rfa "Download Quest 100 Revit RFA") [Quest 100 Revit PDF Download Quest 100 Revit PDF](https://www.questclimate.com/wp-content/uploads/2024/01/Q100-SHELL-3D.pdf "Download Quest 100 Revit PDF") ## Sizing & Selection ![Cannabis grow room with dehumidifier hanging in canopy](https://www.questclimate.com/wp-content/uploads/2021/09/istock-1089974756736x414-1.jpeg) [Taking Control of Your Space](https://www.questclimate.com/taking-control-of-your-space/) ### Taking Control of Your Space Indoor cannabis cultivation requires more than just bricks and mortar to ensure consistent, high-yield crops. Growers must implement sophisticated environmental controls to manage humidity, temperature, and external contaminants. By leveraging data-driven strategies and advanced dehumidification technology, facilities like Nimbus Cannabis are optimizing their space, maximizing canopy size, and maintaining strict product quality standards. [Read More →](https://www.questclimate.com/taking-control-of-your-space/) ![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/) ![A hygrometer displaying a red needle pointing to 60% humidity on a black dial with blue markings and text.](https://www.questclimate.com/wp-content/uploads/2020/10/Quest_Content_RelativeHumidity-01.jpg) [What is relative humidity and why is it important?](https://www.questclimate.com/what-is-relative-humidity-and-why-is-it-important/) ### What is relative humidity and why is it important? Relative humidity measures moisture levels in the air compared to temperature capacity. Understanding this ratio is vital for businesses, as incorrect levels can ruin stored goods, create damaging mold, and threaten worker safety. Learn why proper humidity control is essential for your facility and how to avoid common myths regarding effective moisture management. [Read More →](https://www.questclimate.com/what-is-relative-humidity-and-why-is-it-important/) ### 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) ![]() ```json {"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.questclimate.com\/dehumidifiers\/quest-100-50-hz\/","url":"https:\/\/www.questclimate.com\/dehumidifiers\/quest-100-50-hz\/","name":"Quest 100 50Hz - Quest Climate","isPartOf":{"@id":"https:\/\/www.questclimate.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.questclimate.com\/dehumidifiers\/quest-100-50-hz\/#primaryimage"},"image":{"@id":"https:\/\/www.questclimate.com\/dehumidifiers\/quest-100-50-hz\/#primaryimage"},"thumbnailUrl":"https:\/\/www.questclimate.com\/wp-content\/uploads\/2023\/06\/Quest100-Hero.png","datePublished":"2025-07-25T19:24:55+00:00","dateModified":"2026-08-25T20:18:34+00:00","inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.questclimate.com\/dehumidifiers\/quest-100-50-hz\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.questclimate.com\/dehumidifiers\/quest-100-50-hz\/#primaryimage","url":"https:\/\/www.questclimate.com\/wp-content\/uploads\/2023\/06\/Quest100-Hero.png","contentUrl":"https:\/\/www.questclimate.com\/wp-content\/uploads\/2023\/06\/Quest100-Hero.png","width":2100,"height":1391,"caption":"Quest 100 dehumidifier showing MERV-13 air filter with black corrosion-resistant base and digital control panel"},{"@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"]}]} ```