The Building Performance Institute now offers certification in infiltration and duct leakage procedures. Sometimes known as duct and envelope tightness, the institute says the certification is a way ...

Invest in a smart thermostat with zone control to prevent unnecessary heating. Update old HVAC systems and maintain existing systems to ensure efficient operation. Eliminate air infiltration, leakage, ...

Because unit heaters and other non-centralized heating products offer low upfront cost and easy installation, HVAC contractors and building owners commonly use these systems in warehouses; ...