Heating, ventilation, and air conditioning (HVAC) is the technology of indoor environmental comfort and control while also providing an improved indoor air quality factor. HVAC systems provide ventilation and maintain pressure relationships between spaces through a means of air delivery and removal from spaces known as room air distribution.
The three central functions of heating, ventilation, and air conditioning are all interrelated. The goal to provide thermal comfort and acceptable indoor air quality within reasonable installation, operation, and maintenance costs will require the talents of an experienced and licensed HVAC professional that understands those relationships.
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