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Precise Humidity Control by Quest Expertise and Engineering

Developed in Madison, Wisconsin, our 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. Additionally, we deliver everything you need to know when it comes to HVAC design, specification, selection, installation and operation for every size of facility.

Not Sure Which Product is Best For You? Reach Out — We Can Help!

No matter what you do, we can help you craft a customized solution to fit your needs.


News & Education

Available Now QUEST 100 with MERV-13 Filtration, Compact-size, Corrosion-Resistant base, and digital controls pointed out on the machine New Quest 100: High-Efficiency Dehumidifier for Smaller Spaces and Projects

Our patented M-CoRR Technology, now in compact size. Quest Climate announces the new Quest 100, a dehumidifier created with small-space projects or hobbyist growers in mind. It is the smallest…

VPD: A focus on flowering

Key Takeaways (TL;DR) VPD in your cultivation during flowering affects flower color, aroma and how resinous the buds are when you harvest. Start with this VPD range from late veg…

Three quest dehumidifiers lined up horizontally showing the M-CORR technology logo above M-CoRR Technology

Providing the most energy-efficient dehumidification. multi-coil refrigeration recovery The secret behind Quest’s unparalleled energy-efficiency is our patented multi-coil design, or as we like to call it: M-CoRR (short for Multi-Coil…

We’re on a Quest for the Best of the Best