Service First - Charleston's Trusted HVAC Repair

The coastal salt air can accelerate corrosion on your condenser coil. At Service First, we recommend and perform specialized preventative maintenance that includes cleaning with coil-safe solutions and applying protective coatings where appropriate. This regular service extends the life of your unit and maintains its efficiency, saving you money on energy bills and costly repairs down the line.

Smart thermostat connectivity issues in Charleston homes are often due to incorrect wiring, incompatible systems, or Wi-Fi signal problems. Our technicians are certified to work with all major smart thermostat brands. We'll diagnose the root cause—whether it's a wiring issue at the furnace control board or a system compatibility problem—and ensure everything is correctly installed and communicating for reliable, remote-controlled comfort.

Our comprehensive service call is tailored to Lowcountry needs. We inspect and clean critical components prone to salt damage, check refrigerant levels, test system performance, and verify that all electrical connections—especially those for smart thermostats—are secure. We provide a clear report on your system's health and offer honest recommendations, prioritizing your safety and comfort in our humid climate.