Anon
Year:
2000
Bibliographic info:
Canada Mortgage and Housing Corporation, 'About Your House' leaflet CE 28k, 2000

The heating, ventilating and air conditioning (HVAC) systems are a vital part of every home. These mechanical systems help control the indoor conditions you need for comfort, health and safety. How these mechanical systems interact with other appliances is critical in keeping your home's indoor environment healthy and safe.