HVAC Repair Larkspur CA | Call Geminie Heating & Cooling Service

Absolutely. Smart thermostat issues are common here, often due to wiring, Wi-Fi connectivity, or calibration problems. Our technicians are experts in diagnosing and repairing all major smart thermostat brands. We'll get your system communicating properly with your HVAC unit so you can regain precise temperature control and energy savings.

Yes, duct leakage is a frequent culprit for poor airflow in Larkspur homes, forcing your system to work harder. We perform a comprehensive duct inspection using specialized tools to locate leaks. Our service includes professional sealing of those leaks at the joints and connections, which immediately improves airflow, enhances comfort, and increases your system's efficiency.

Our diagnostic service is a full-system check-up. We start by listening to your concerns, then methodically inspect your thermostat, ductwork, electrical components, filters, and the indoor/outdoor units. This allows us to identify the root cause of any issue—be it a thermostat glitch, a duct leak, or a mechanical failure—and provide a clear, upfront repair plan to restore your home's comfort reliably.