Invention and Engineering

Heating, ventilation, and air conditioning

Heating, ventilation, and air conditioning (HVAC ) systems regulate temperature, humidity, and indoor air quality in vehicles and buildings. They are designed to provide thermal comfort and to control airborne contaminants through heating, cooling, ventilation, filtration, and humidity control. HVAC design considerations include energy efficiency, indoor air quality, maintenance, and environmental impact, particularly in green building projects. In building design, mechanical, electrical, and plumbing engineers may integrate HVAC systems with other building systems (i.e. air-source heat pump water heaters) and use energy modeling to evaluate performance and operating costs.

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See also

• ▸0-4-0+4
• ▸Gold mining
• ▸Anti-submarine warfare

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