Heat Pump Services Across San Diego County
Year-Round Heating and Cooling Efficiency
PROPER HVAC INC delivers full-scope heat pump repair, installation, maintenance, and diagnostics for homes and commercial facilities throughout San Diego County. By transferring heat rather than burning fuel, modern heat pump systems provide efficient climate control through every season while keeping operating costs low. Whether you are transitioning to an all-electric setup or restoring an existing unit to factory performance, our licensed technicians ensure your system runs smoothly and reliably.
Heat Pump Solutions We Deliver
We provide complete mechanical care for central ducted split systems, dual-fuel configurations, and ductless heat pump models across San Diego County.
Inverter Heat Pump Installation
Custom-sized replacements and new system installations engineered for quiet operation and variable-speed temperature control.
Reversing Valve Diagnostics & Repair
Precision troubleshooting and replacement of sticky or stuck reversing valves to restore seamless switching between cooling and heating modes.
Defrost Cycle Troubleshooting
Testing and replacing faulty defrost control boards, sensors, and ambient thermostats to prevent outdoor coils from icing over.
Compressor & Motor Services
Diagnostic evaluations and OEM component replacements for variable-speed inverter compressors and ECM fan motors.
Refrigerant Circuit Leak Resolution
Electronic leak detection, line braze repairs, and precise factory-level refrigerant recharging to protect compressor longevity.
Seasonal Preventive Tune-Ups
Comprehensive electrical testing, coil washing, drain line flushes, and static pressure checks to maintain peak energy efficiency.

Our Structured Heat Pump Workflow
Complete Mechanical Evaluation
We evaluate thermal load demands, inspect electrical connections, and review current duct conditions across your property.
Upfront Solution Options
We provide clear repair or replacement options with straightforward flat-rate pricing before performing any mechanical work.
Code-Compliant Mechanical Service
Our licensed technicians perform repairs or installations following manufacturer specifications and state building standards
Full Cycle Performance Verification
We test both heating and cooling modes, measure supply temperatures, and verify static pressures for balanced comfort.
Why Choose PROPER HVAC INC
Experienced Technicians
Local Coverage
Licensed Contractor
Decades Experience
Honest Pricing
Scheduled Care
Reliable Solutions
Customer Satisfaction
Signs Your Heat Pump Needs Attention
System fails to switch between heating and cooling modes.
Ice accumulation remains on the outdoor coil during operation.
Sudden spikes appear on your monthly electric utility statement.
Constant short-cycling before reaching the thermostat setpoint.
Rattling, buzzing, or metal-on-metal noises near the compressor.
Lukewarm air blowing when heating mode is called.
High indoor humidity levels during warm weather.
The outdoor fan motor fails to spin while the system runs.

Should You Repair or Replace Your Heat Pump?
If your heat pump is under ten years old and facing an isolated electrical or component issue, targeted repair is generally the most economical choice. However, if your system uses discontinued refrigerant, requires major compressor work, or struggles with persistent performance issues, replacing it with a modern high-SEER2 inverter unit offers lower monthly operating costs and enhanced long-term reliability.
Frequently Asked Questions
How does a heat pump provide both heating and cooling?
A heat pump uses a reversing valve to change the direction of refrigerant flow. In summer, it absorbs indoor heat and transfers it outside like an air conditioner, while in winter, it extracts ambient heat from outdoor air and moves it indoors to provide warm comfort.
Can a heat pump replace my existing furnace and air conditioner?
Yes, a properly sized heat pump handles both heating and cooling in a single unit. It can be paired with an electric air handler for an all-electric home or combined with an existing gas furnace to create an efficient dual-fuel hybrid system.
What causes my heat pump outdoor unit to freeze over?
Brief frost accumulation during winter is normal and is cleared by the automatic defrost cycle. However, thick ice that remains indicates a malfunctioning defrost control board, a faulty ambient sensor, a stuck reversing valve, or low refrigerant levels requiring service.
How often should my heat pump receive maintenance?
Because heat pumps operate year-round for both heating and cooling, professional maintenance is recommended twice annually. An inspection in spring prepares the cooling cycle, while an autumn visit ensures the heating controls and defrost circuits operate safely.
Are financing options available for new heat pump installations?
Yes, we partner with Wisetack to offer flexible financing with transparent terms, fast mobile applications, and zero prepayment penalties. You can explore available payment plans directly on our Financing page.
