Greenheck make-up air models DGX and MSX can now be configured with a direct drive, mixed flow plenum supply fan for low to medium pressure applications. With performance capacities from 800 to 16,000 cfm, models DGX-P-MF and MSX-P-MF reduce horsepower requirements, resulting in lower operating costs.

The MUAA distributes tempered fresh air to provide maximum comfort to the occupants in well-ventilated homes. The heating elements modulate continuously, which allow fresh, hot air at a low cost.

Bruce Fraser, owner of Fraser Construction LLC in Avon, Colorado, recently discovered you can have a suitably sized kitchen exhaust system and meet the IRC M1503.4 makeup air requirement without breaking the bank.

The Xcelon system rooftop make-up air unit combines condensing boiler technology with air distribution and heat recovery methods for efficiency levels up to 98 percent. 

enVerid Systems announced that it has been awarded $2.4 million through a cooperative agreement from the U.S. Department of Energy (DOE) to accelerate the deployment of the company’s new HVAC Load Reduction (HLR™) technology for buildings.