The forced air HAC system is located off the dining area with a single return grille located in a panel of the HAC system closet. The HAC system consists of a kW air conditioning unit and a furnace with a power input of kW and output of kW. The design airflow rate of the furnace fan is 470 L s -1 . A thermostat controls system operation, but the air distribution fan can be operated continuously if desired. There are local exhaust fans in the bathrooms and kitchen and a whole-house exhaust fan in the.
