GAC Services

For over 60 years, GAC Services has provided trusted HVAC services to Gaithersburg and surrounding communities. Our NATE-certified technicians specialize in the installation, repair, and maintenance of heating and air conditioning systems, including furnaces, heat pumps, and air conditioners. We offer comprehensive indoor air quality solutions, such as air purifiers, humidifiers, and duct cleaning services. Committed to your comfort, we provide 24/7 emergency repairs and upfront pricing on every job. Experience the difference of working with a local, family-owned company dedicated to excellence from our location at 227 E Deer Park Dr.