VAV boxes provide cooling in harmony with perimeter heating, with both systems controlled by a single thermostat. When the perimeter heating valve no longer seats properly, unwanted heat is continuously introduced into the space. The thermostat automatically compensates by increasing cooling to maintain the desired room temperature. Occupants remain comfortable, but the simultaneous heating and cooling conceal significant energy waste, allowing the problem to persist unnoticed.
Battle against climate change
Logical approaches to addressing climate change in the HVAC industry can provide both indoor and outdoor environmental improvement as well as financial benefits. Sample energy reductions calculated by the building owners present paybacks about one year while they reported superior indoor conditions for their building occupants.