Variable Frequency Drives Existing Commercial What is a Variable Frequency Drive (VFD)? A variable frequency drive (VFD), also known as a variable-speed drive, adjustable-speed drive or inverter refers to a device that controls the voltage and frequency supplied to a...
Properly-Sized, High-Performance HVAC Equipment and Controls Existing Commercial What are Properly-Sized, High-Performance HVAC Equipment and Controls? Heating, ventilating, and air-conditioning (HVAC) systems consume 40% of the energy used in commercial buildings,...
Demand Control Ventilation Existing Commercial What is Demand Control Ventilation? Ventilation systems in commercial buildings, whether passive or active, help maintain the proper mix of gases in the air, control odors, and exhaust contaminants from occupied spaces...
Chilled Beams Existing Commercial What are Chilled Beams? Chilled beams are room air recirculation systems integrated with acoustic ceilings or independently mounted that rely on radiant heat transfer from chilled or heated water coils to cool or heat a space....
Light Pollution Reduction Existing Commercial What is Light Pollution? Light pollution refers to noticeable artificial light at night (ALAN), an unwelcome by-product of excessive outdoor lighting, especially vertical illuminance that includes such effects as skyglow,...
