- Capacitor
- A part that helps motors in the system start and run.
- Compressor
- The pump in the outdoor unit that moves refrigerant; often the most expensive part.
- Contactor
- An electrical switch that turns the outdoor unit on and off.
- Refrigerant
- The fluid that carries heat in an air conditioner or heat pump.
- SEER2
- A rating of air conditioner and heat pump cooling efficiency; higher numbers use less energy.
- AFUE
- A rating of furnace efficiency, shown as a percentage.
- Flat-rate pricing
- A set price per repair from a price book, regardless of time spent.
- Service call fee
- A charge for sending a technician to your home.
- EPA Section 608
- The federal certification required to handle refrigerants.
- Heat pump
- A system that both heats and cools by moving heat.
- Load calculation
- A measurement of how much heating and cooling a home needs, used to size new equipment.
Glossary
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