Expert HVAC Repair in San Francisco, CA 94116 - Golden State Development

In San Francisco's climate, common causes include corrosion on the outdoor condenser coil from salty air or a refrigerant leak. Our technicians perform thorough diagnostics to identify the specific problem, whether it's a simple cleaning, a repair, or if a more efficient system replacement is the best long-term solution for your home.

Yes, we specialize in upgrading outdated systems like knob-and-tube wiring to modern, safer standards for San Francisco homes. Our process includes a full inspection, careful removal of old wiring, installation of new circuits and a grounded panel, and ensuring the entire system meets current local electrical codes for your safety and peace of mind.

Our preventative maintenance service is designed to keep your system running efficiently and extend its lifespan. It typically includes cleaning coils and components, checking refrigerant levels, inspecting electrical connections, testing system controls, and lubricating moving parts. This proactive care can improve performance, lower energy bills, and help prevent unexpected breakdowns.