Welcome to the Montgomery County's premier air conditioning and heating system service, maintenance, repair and replacement, and installation company’s website! Since 1981, Presidential Air Conditioning and Heating systems in Gaithersburg has provided our customers with the best service throughout Maryland. We are proud to be a factory authorized Carrier® dealer for our commercial and residential clients, which means that you can get the best selection of heating and air conditioning units straight from the manufacturer without inflated prices. We also offer advantage plan maintenance agreements. For more information, call (301) 900-5559 today!

As winners of the Angie's List Super Service Award five times, we are continually striving to serve the community via our community service and excellent work ethic. We work hard to provide the community with the highest quality, safest, and most environmentally friendly heating and air conditioning systems available on the market today. Our company is fully licensed ACCA (Air Conditioning Contractors Of America) and Quality One certified. Every person who works for us has been extensively trained to install, service, and repair every brand and model of heating systems and air conditioning unit.