Glossary

HVAC Glossary

Learn more about heating and cooling terms in our HVAC glossary. If you have questions regarding your HVAC system give us a call. We are here to keep you comfortable in all seasons. Reach out to our team today.

• Air Conditioner (AC): A device that cools and also dehumidifies the air inside a building.
• Air Handler: A component of an HVAC system that circulates and also filters the air inside a building.
• Compressor: A component of an air conditioner or heat pump that compresses and pumps refrigerant.
• Ductwork: The system of pipes and ducts that distribute heated and cooled air throughout a building.
• Efficiency: A measure of how well an HVAC system converts energy into useful heating or cooling.
• Evaporator Coil: A component of an air conditioner or heat pump that absorbs heat from the air inside a building.
• Heat Pump: A device that can both heat and cool a building by moving heat from one location to another.
• Humidifier: A device that adds moisture to the air inside a building.
• Refrigerant: A fluid that is used in an air conditioner or heat pump to absorb and release heat.
• SEER: Seasonal Energy Efficiency Ratio, a measure of the efficiency of an air conditioner or heat pump. In 2023, SEER2 ratings became the norm.
• Thermostat: A device that controls the temperature inside a building by turning the HVAC system on and off as needed.
• Ventilation: The process of exchanging indoor air with outdoor air to remove pollutants and improve air quality.
• Zone Control: A system that allows different areas of a building to be heated or cooled independently, by dividing the building into different zones.