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HVAC Systems

What is HVAC?

The largest potential for energy conservation rests with optimization of centralized heating, ventilation and air conditioning (HVAC) systems in commercial buildings. HVAC systems allow for safe and healthy building conditions by regulating humidity, bringing in fresh air from outdoors while removing air through return-air grilles and, maintaining temperature through heating and cooling controls. Typically, HVAC systems are comprised of in-building and out-building sections; the in-building section consists of “indoor air loops, chilled water loop and refrigerant loops”, while the out-building section contains the “outdoor air loops and condensed water loops”.1