Heat pump planning resources
Practical guides to plan a heat pump project before you ever take a quote, written for San Diego properties and Southern California utility rates.
Heat pump planning guides
How to clean a heat pump outdoor condenser unit
Leaves, dust, and coastal salt deposits on the outdoor condenser coils reduce the heat pump's ability to transfer heat. A simple hose rinse once or twice a year keeps the coils clear and the system running at rated efficiency.
How to inspect heat pump refrigerant line insulation
The copper refrigerant lines running between your outdoor condenser and indoor air handler need to stay insulated. Cracked or missing insulation wastes energy and can lead to moisture problems. This is a visual check any homeowner can do safely.
How to reset a heat pump thermostat and clear error codes
When your heat pump displays an error code or stops responding normally, a thermostat reset is often the first step. This guide walks through the standard reset procedure for most residential heat pumps.
How to check heat pump airflow and diagnose poor performance
If rooms feel inconsistently heated or cooled, the problem is often airflow rather than the heat pump itself. This walkthrough helps you identify blocked vents, closed dampers, and dirty filters before calling a technician.
When should you stop and call a professional?
Six signs that the problem is past DIY. Turn the system off and call a licensed independent HVAC pro. Running a damaged system can make the next repair larger.
- Refrigerant pressure error codes (P1, P4, or similar) on the thermostat display
Stop using the system and describe this observation to a licensed HVAC contractor. Heat Pro SD can match you with an independent pro; we do not diagnose from a webpage.
- Ice forming on the outdoor unit outside of defrost cycles
Stop using the system and describe this observation to a licensed HVAC contractor. Heat Pro SD can match you with an independent pro; we do not diagnose from a webpage.
- Burning smell or electrical odor from the indoor air handler or outdoor unit
Stop using the system and describe this observation to a licensed HVAC contractor. Heat Pro SD can match you with an independent pro; we do not diagnose from a webpage.
- The system runs but produces no heating or cooling
Stop using the system and describe this observation to a licensed HVAC contractor. Heat Pro SD can match you with an independent pro; we do not diagnose from a webpage.
- Loud grinding, banging, or squealing from the outdoor condenser or indoor air handler
Stop using the system and describe this observation to a licensed HVAC contractor. Heat Pro SD can match you with an independent pro; we do not diagnose from a webpage.
- Water pooling around the indoor unit or dripping from the air handler
Stop using the system and describe this observation to a licensed HVAC contractor. Heat Pro SD can match you with an independent pro; we do not diagnose from a webpage.
Further reading
SDG&E Rebates and Incentives
Current rebates for heat pumps and energy-efficient HVAC upgrades for San Diego Gas and Electric customers.
California Energy CommissionCalifornia Energy Commission - Heat Pump Resources
State guidance on heat pump technology, efficiency standards, and California's building energy codes.
California State License BoardCSLB Verify a Contractor License
Verify that your HVAC contractor holds a valid C-20 license before signing any contract.
Ready to get your heat pump project quoted
If the guide did not solve it, we can match you with a licensed independent heat pump pro across San Diego County.