Qualified HVAC Services in Summerville, SC 29483 - J W Long Heating & Air Conditioning

We handle a full range of heating and cooling systems including electric, gas, and oil furnaces, heat pumps, and boilers. As an independent Trane dealer, we offer Energy Star rated systems and provide complete installation, repair, and maintenance services for both residential and commercial properties in Summerville.

For thermostat malfunctions common in our area, we perform thorough diagnostics to identify wiring issues, calibration problems, or compatibility concerns. With short cycling HVAC units, we check for oversized equipment, refrigerant levels, airflow restrictions, and thermostat placement—common factors in Summerville's climate. Our technicians provide lasting solutions to improve efficiency and prevent recurring problems.

We provide comprehensive maintenance plans that include thorough inspections, cleaning, and tuning of your heating and cooling systems. Our preventative services help identify potential issues early, improve system reliability, and maintain optimal efficiency. Regular maintenance is particularly valuable in Summerville's seasonal climate to ensure year-round comfort and potentially extend your equipment's lifespan.