Capacity 730 Pints/Day
Efficiency 8.3 Pints/kWh
Supply Voltage 480V – 3 Phase
Current Draw 4.9 Amps
Built to fit what works for your space
Superior filtration removes more harmful contaminants from the air such as dust, pollen and mold as well as bacteria and some viruses
For precise setpoints and easy control
Of temperature and relative humidity
Unit automatically defaults to prior settings in the event of a power outage
Built to last.
The highest safety standard
More efficient units have less heat output and free up electricity for other equipment
For easier movement and installation
Reducing greenhouse gas emissions, R454B boasts a 78% lower GWP
The Quest 746 480V High-Efficiency Dehumidifier is the next generation of commercial and industrial dehumidification featuring Quest’s patented M-CoRRTM Technology. This multi-coil design reuses energy during dehumidification allowing it to be the most energy-efficient 480-volt dehumidifier on the market. Engineered for large-scale environments, this high-capacity unit combines superior moisture removal, energy efficiency, and smart digital controls—all in a more compact design.
The Quest 746 480V uses less amperage at a higher voltage, freeing up space on your electrical panel for other equipment, a game-changer in controlled environments. With its reduced height, it fits where other industrial dehumidifiers can’t, making it ideal for mechanical rooms, overhead installations, and space-limited facilities. Built for performance, it removes approximately 730 pints of moisture per day (80°F, 60% RH) with an industry-leading efficiency of 8.3 pints per kWh, helping facility managers lower operating costs without compromising climate control.
The Quest 746 now features an integrated onboard digital control panel, allowing precise humidity management with:
Sustainability comes built-in. The second-generation Quest 746 utilizes R454B refrigerant, a more environmentally responsible choice than R410A and R32, with a significantly lower global warming potential—delivering powerful dehumidification with a smaller environmental footprint.
The Quest 746 480V dehumidifier is engineered and assembled in Madison, Wisconsin. It’s backed by a 5-year warranty for peace of mind. In addition, this unit meets California Title 24 requirements for ducted (whole-home) installations.
No dehumidifier is more efficient
Achieves highest efficiencies available in the market
More efficient units have less heat output and free up electricity for other equipment
A detailed answer to provide information about your business, build trust with potential customers, or help the visitor with a problem they may be encountering
A detailed answer to provide information about your business, build trust with potential customers, or help the visitor with a problem they may be encountering
A detailed answer to provide information about your business, build trust with potential customers, or help the visitor with a problem they may be encountering
A detailed answer to provide information about your business, build trust with potential customers, or help the visitor with a problem they may be encountering
A detailed answer to provide information about your business, build trust with potential customers, or help the visitor with a problem they may be encountering
A detailed answer to provide information about your business, build trust with potential customers, or help the visitor with a problem they may be encountering
A detailed answer to provide information about your business, build trust with potential customers, or help the visitor with a problem they may be encountering
A detailed answer to provide information about your business, build trust with potential customers, or help the visitor with a problem they may be encountering
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