What compressor means
The compressor is the pump in a cooling or heat pump system that squeezes refrigerant vapor, raising its pressure and temperature so it can shed heat outside.
Where it matters on a HVAC job
A failed compressor on an older system usually turns a repair call into a replacement conversation. Give the customer both prices on one estimate so they can choose with the numbers in front of them.
What the model code says
- The code defines a refrigerant compressor as a machine for compressing a given refrigerant vapor. (IRC 2021, Chapter 2)
Check which code edition your building department enforces for compressor before you quote.
What it costs
Jobs that involve compressor are priced in the aC repair cost guide: about $400 typical, usually $210 to $640. The guide shows its sources and what moves the price. The hvac replacement cost calculator prices a job line by line.
Work it out
- Free calculator: HVAC replacement cost calculator
- Cost guide: AC repair cost
- Free template: Estimate template
- Licensing: HVAC license rules by state
- Tools, templates and guides: Free HVAC resources
Sources: 2021 International Residential Code, Chapter 2, Definitions (ICC). Checked October 9, 2026.