Dave's Air Conditioning Heating & Refrigeration | Best HVAC Services in Simi Valley, CA

Our maintenance service is designed to keep your system running efficiently and prevent common local issues. We perform a comprehensive check, which includes cleaning dirty evaporator coils—a frequent problem in our area due to dust—inspecting refrigerant levels, checking electrical connections, and calibrating your thermostat to ensure accurate temperature control. This proactive care helps improve system lifespan and indoor air quality for your home.

Clean, well-sealed ductwork is crucial for system efficiency and your home's air quality. Over time, ducts accumulate dust and debris that can restrict airflow, strain your HVAC unit, and circulate allergens. We offer thorough residential duct cleaning, sealing, and repair services. Addressing leaks or blockages helps your system heat and cool your Simi Valley home more effectively, potentially lowering energy costs and extending the equipment's life.

Absolutely. Thermostat connectivity and calibration problems are common here, often related to Wi-Fi interference, outdated wiring, or placement issues. Our technicians can diagnose the root cause, whether it's a wiring issue, a need for recalibration, or interference from other household electronics. We'll ensure your thermostat communicates properly with your HVAC system for reliable temperature control and energy efficiency.