David Sellers Mechanical | Expert HVAC Services in Glens Falls, NY

We provide full HVAC installation and replacement services, including systems like boilers, furnaces, water heaters, geothermal heating, and cooling systems. Using brands such as Munchkin, Buderus, and Lennox, we design solutions that are energy-efficient and suited to the local climate in Glens Falls, helping residents save on energy costs while improving home comfort.

For thermostat malfunctions, we offer diagnostic and repair services as part of our HVAC system maintenance. We check for wiring issues, calibration problems, or outdated models, and can recommend upgrades to programmable or smart thermostats that improve efficiency and control, ensuring your heating and cooling systems run smoothly in the Glens Falls area.

Our maintenance services involve thorough inspections, cleaning, and tuning of your HVAC components, such as boilers, furnaces, and cooling systems. We focus on preventive care to catch potential issues early, which helps extend system lifespan and maintain efficiency, especially important in the variable weather conditions around Glens Falls and Saratoga.