Markool Heating Cooling Plumbing

For over 15 years, Markool Heating Cooling Plumbing has provided reliable HVAC service to Frederick, MD, and the surrounding communities. Our skilled technicians specialize in the installation, repair, and maintenance of furnaces, air conditioners, and heat pumps. We offer comprehensive system tune-ups to improve efficiency and 24/7 emergency repair services to restore your comfort quickly. Trust our team for expert duct cleaning, indoor air quality solutions, and smart thermostat installations. As a locally owned and operated company at 5304C Kings Ct, we are committed to the comfort and satisfaction of our neighbors.