About Quest

Quest, a division of Therma-Stor LLC, builds quality, energy-efficient dehumidification equipment designed to perform in commercial environments.

Quest has the solution for any indoor gardening application. Quest dehumidifiers are the most energy efficient on the market, using the least electricity, removing the most pints of water per kWh over the widest temperature range. Quest’s innovative designs add minimal heat load to your HVAC. A Quest dehumidifier pays for itself in energy savings while naturally helping to prevent pests, mold, mildew, and disease, allowing our users to eliminate pesticides during growing.

Quest is manufactured in the USA to high performance and electrical safety standards (ETL Listed/UL Certified). Accept no substitute — protect your property, your plants, and your income.

About Therma-Stor

Therma-Stor LLC, located in Madison, Wisconsin, was established in 1977 to apply advanced heat transfer technologies to residential and commercial equipment. Beginning with heat recovery water heaters, Therma-Stor now also manufactures residential dehumidifiers, including the Santa Fe series free-standing dehumidifiers and the Ultra-Aire series whole house ventilating dehumidifiers.

Therma-Stor also offers HI-E Dry plug-and-play dehumidifiers; Quest Climate Control Equipment for construction, concrete, and painting applications; and Phoenix restoration equipment for dehumidification, air scrubbing, water extraction, and evaporative drying.