HVAC Glossary

  1. Air Flow – the movement of air through a building
  2. Air Handler – a component in an HVAC system that circulates air
  3. Air Purifier – a device that removes pollutants from the air
  4. Capacitor – a component in an HVAC system that stores electrical energy
  5. Circuit Breaker – a component in an HVAC system that protects against electrical overload
  6. Compressor – a component in an air conditioner that increases the pressure of refrigerant
  7. Contactor – a component in an HVAC system that controls the flow of electricity
  8. Dampers – devices that control the flow of air within an HVAC system
  9. Dehumidifier – a device that removes moisture from the air
  10. Ductless Mini-Split System – an air conditioner that does not use ductwork
  11. Electrical Wiring – wires used to connect electrical components in an HVAC system
  12. Filters – devices that remove pollutants from the air
  13. Filtration System – a system that removes pollutants from the air
  14. Forced Air System – a heating and cooling system that uses air to distribute heat
  15. Fuse – a component in an HVAC system that protects against electrical overloads
  16. Gas Piping – pipes used to supply gas to a furnace
  17. Grills – covers for registers
  18. Heat Pump – a device that can both heat and cool a building
  19. Humidifier – a device that adds moisture to the air
  20. Insulation – materials used to prevent heat loss in a building
  21. Overload Protector – a component in an HVAC system that protects against electrical overloads
  22. Plenum – a space within an HVAC system that distributes air
  23. Radiant Heating System – a heating system that uses hot water or electricity to warm a building
  24. Registers – openings in a building where air enters or exits
  25. Relay – a component in an HVAC system that controls the flow of electricity
  26. Return Air Duct – a duct that carries air from a building back to the HVAC system
  27. Return Plenum – a plenum that carries air back to the HVAC system
  28. Supply Air Duct – a duct that carries air from the HVAC system to a building
  29. Supply Plenum – a plenum that carries air from the HVAC system to a building
  30. Static Pressure – the pressure of air within an HVAC system
  31. Subcooling – the amount of heat removed from refrigerant in a liquid form
  32. Superheat – the amount of heat added to refrigerant in a vapor form
  33. Thermodynamics – the study of heat and temperature
  34. Thermistor – a device that measures temperature
  35. Thermostat Wiring – wires used to connect a thermostat to an HVAC system
  36. Transformer – a component in an HVAC system that converts electrical energy
  37. Ventilation – the process of exchanging indoor air with outdoor air
  38. Zone Control System – a system that allows you to control the temperature in different parts of a building

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