Confused about “reheat” in your grow room? Learn why efficient dehumidification matters, how Quest’s purpose-built systems outperform retrofitted A/C units, and what smart growers are doing to cut energy costs while protecting yields.
Dehumidification
Dehumidification is an essential component of a healthy cannabis grow operation. Read our tips, tricks, and updates on all things dehumidification.


Dehumidification 101 for Cannabis Growers
February 25, 2025
Cannabis is one thirsty plant, and it sweats, too. A lot.


Municipal wastewater treatment demands proper humidity control to preserve infrastructure and meet environmental regulations.


The culprit? Excess humidity and poor airflow allow fungal spores to flourish, especially in dense late-flower buds.


Reheat vs. Dedicated Dehumidification: The Real ROI for Cannabis Growers
February 26, 2025
Want to maximize your ROI in these tight market conditions? Let us show you the way.


Quest Climate and Hydrofarm Partner
September 20, 2024
Quest Climate and Hydrofarm have announced a strategic partnership to enhance the Controlled Environment Agriculture industry. By combining their expertise in climate control and hydroponics, both companies aim to boost productivity and efficiency for indoor growers. Quest’s full product line is now available through Hydrofarm’s national distribution network to support cultivators across the country.


Protecting your clients' assets requires more than just security cameras and locks. Moisture is a silent threat that can cause devastating mold and mildew damage. To maintain a successful self-storage facility, you need a robust climate control strategy. Download our comprehensive maintenance checklist to learn how to manage humidity and keep your business thriving.


Quest Announces New Partnership with BFG Supply
December 13, 2023
Quest Climate is excited to announce a new strategic partnership with BFG Supply beginning in 2024. This collaboration unites Quest’s high-performance dehumidification technology with BFG’s extensive distribution network to offer superior environmental control solutions. Together, both companies aim to empower indoor growers with improved product accessibility, expert support, and enhanced educational resources for cultivation success.


Quest Climate introduces the new Quest 100, a compact 100-pint dehumidifier designed specifically for smaller grow rooms and hobbyist cultivators. Featuring patented M-CoRR technology and MERV-13 filtration, this energy-efficient unit brings professional-grade environmental control to smaller projects without compromising on performance. Experience superior moisture management in a convenient, space-saving design perfect for your next cultivation success.


VPD: A focus on flowering
April 26, 2023
Vapor Pressure Deficit is a critical tool for cannabis cultivators. By managing transpiration, humidity, and temperature, you can significantly enhance flower color, aroma, and resin production during the bloom cycle. Understanding the ideal VPD ranges for late flowering stages allows you to dial in plant growth and produce superior, competitive harvests every time.
quest video library
August 29, 2022
Access our extensive video library to get the most out of your Quest dehumidifiers. From quick maintenance tips and step-by-step repair guides to expert insights on HVAC engineering and system efficiency, our collection provides everything you need to keep your equipment running smoothly and efficiently. Explore our full range of professional training videos right here.


Understanding dehumidifier performance curves is essential for accurately sizing your grow room humidity control. While many manufacturers rely on standard AHAM testing, these metrics often fail to reflect the realities of lights-off conditions. Learn how to use performance curves to ensure your dehumidification setup protects your crop throughout every stage of growth.



Special Report: Humidity and Climate Control
November 29, 2021
In this updated special report, we explore the critical connection between climate control and successful cannabis cultivation. Discover how precise humidity management serves as the most effective, pesticide-free method for preventing pests and disease. This research-backed guide includes industry survey trends, insights on vapor pressure deficit, and expert advice for maintaining consistent, high-quality crop production.



Water treatment plant problems
June 6, 2022
Excessive humidity in water treatment plants causes dangerous pipe sweating and costly corrosion. Learn how the Adams County Regional Water District solved its condensation issues by implementing professional dehumidification systems. Discover why Midwest plants face unique moisture challenges and how controlling humidity levels protects infrastructure, reduces maintenance labor, and saves significant annual facility budgets.



Dirty filters and static pressure often cause commercial dehumidifiers to lose performance, leading to unwanted humidity fluctuations. Quest engineers solved this by integrating a pressure switch with a variable speed fan in the new Quest 335. This system automatically adjusts airflow to ensure consistent, precise humidity control despite clogged filters or complex ductwork.


Quest 335: An Inside Look at the World’s Most Efficient Dehumidifier
October 18, 2021
Discover the Quest 335, the world’s most efficient dehumidifier. Engineered with innovative multi-coil technology and a variable speed fan, this unit optimizes performance even under static pressure. Learn how our latest release removes 335 pints of water daily while slashing operational costs for cultivators and facility managers by thousands of dollars over five years.


Climate control is critical for cannabis cultivators, but dirty filters and improper ductwork often hinder commercial dehumidifier performance. Clogged filters restrict airflow, while poor duct design increases static pressure, leading to humidity fluctuations. Learn how to optimize your setup through regular maintenance and smart engineering to ensure a consistent and successful growing environment.


Taking Control of Your Space
September 30, 2021
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.


Grow room dehumidifiers: Perfect your setup
April 16, 2018
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.



Smart Humidity Report: 20 tips from expert growers
July 19, 2017
Mastering the climate in your grow room is essential for a successful harvest. This special report features twenty expert tips gathered from top growers across the U.S. and Canada. Developed in partnership with Quest, these professional insights provide actionable strategies to help you optimize humidity levels and improve your overall crop health starting today.


Mastering climate control is essential for any successful cultivation operation. Our latest special report, created in partnership with Cannabis Business Times, provides original research, case studies, and actionable tips to help you optimize humidity levels. Access these expert-backed insights today to refine your grow room environment and improve your overall crop quality.


4 Humidity-Control Tips from Medicine Man
July 19, 2017
Tyler Schneider of Medicine Man shares expert strategies for managing humidity in cannabis cultivation. Beyond simply preventing mold and bud rot, maintaining precise moisture levels is a critical business strategy that helps growers effectively lower energy costs. Learn his top four practical tips for optimizing your facility's climate control and improving your operational bottom line.


Understanding VPD is essential for fine-tuning your indoor garden. In this third installment, learn how to calculate and maintain optimal vapor pressure deficit levels during both vegetative and flowering growth stages. Discover the precise temperature and humidity combinations intended to reduce plant stress, maximize resin production, and ultimately improve your final crop yields.


One Way Not to Spray: Keep Dry
June 30, 2016
Quest Dehumidifiers is launching an educational initiative to help cannabis growers understand the link between humidity control and plant health. By managing moisture levels more effectively, cultivators can prevent devastating molds and fungus, potentially reducing the industry demand for pesticides and ensuring a cleaner, safer final product for consumers in a growing market.
