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HVAC Loads

1 tool in the Building Systems area.

Room Heating and Cooling Load

Design cooling and heating load of a room or zone by the component method: conduction through walls, roof and glass with the cooling-load temperature difference of each surface, solar gain through glass from its area, solar heat gain coefficient and the peak irradiance of its orientation, internal gains from people, lights and equipment, and the sensible and latent load of the outdoor air brought in by ventilation and infiltration. The cooling load is split into sensible and latent parts for coil and airflow selection; the heating load uses the winter temperature difference with no solar or internal credit. Temperatures are plain numbers in °F (USCS) or °C (SI).

Other Building Systems sections

Ducts and Airflow · Psychrometrics · HVAC Equipment · Ventilation and Air Quality · Energy · Plumbing · Fire Protection · Lighting and Electrical · Controls and Commissioning · Codes and Compliance