We offer substantial benefits – including scheduling of 1-hour service windows and calling in advance before coming to your residence. With more than 50 years of combined industry experience we can handle any service requirement.
When is the last time you relaxed and soaked yourself in a hot steamy bath? With today’s busy lifestyle, your body deserves a nice stress relieving moment in your hot tub. A tankless water heater will afford you endless hot water.

We differentiate ourselves from all other electrical companies by our unique message to the marketplace: Mister Sparky – “America’s On-Time Electrician”, We’re On Time, You’ll See, Or The Repair Is Free! ®

Our solar electric systems cleanly generate electricity from the ultimate renewable source – sunlight. The systems have no moving parts, require minimal maintenance, and will produce power for more than 30 years!

Welcome to One Hour Heating and Air Conditioning: A comprehensive resource for heating, air conditioning, plumbing and solar solutions.

One Hour Heating and Air Conditioning

One Hour Heating and Air Conditioning, a leader in HVAC installation and repair, is a home services specialist with a history of exceptional work and satisfied clients. Headquartered in Ashburn, Virginia, we assist residential customers throughout Northern Virginia with an array of home service needs.

Our team consists of professionals who are trained, certified, and uniformed. At One Hour Heating and Air Conditioning, we treat our customers like family, and take pride in leaving their houses cleaner than when we arrive. Simply put, with our well-known customer support and exceptional quality work, One Hour Heating and Air Conditioning is the ideal resource for all of your home services needs. So call the experts today!

Charity and Local Assistance

Dog adoption and cat adoption saves lives. Adopt a dog or adopt a cat and you’ll have a friend for life!


Yelp:  571-421-2821


About Us

Our mission is to provide our customers with superior quality products and services at a fair price. We continue to build a team of the most talented people, who believe in complete customer satisfaction, and who are proud of the workmanship that is put into each and every project.