
The outdoor unit
Releases the heat your system pulls out of the house.
- CondenserThe coil and fan that throw your indoor heat into the yard.
- CompressorThe heart of the system. It pressurizes refrigerant and keeps it moving through the loop.
- Capacitor & contactorSmall electrical parts that start the compressor and fan. A failing capacitor is a frequent cause of a unit that hums but will not start.
- Refrigerant linesInsulated copper tubing that links the outdoor unit to the air handler.










