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Repair & Maintenance Program

Protect yourself from unexpected costs with the new Home Comfort CollectionTM. Key benefits include 2 annual system check-ups, no service visit charge and no deductibles.

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Customer Reviews of One Hour Heating and Air Conditioning

Customer Reviews

"Everyone we have interacted with has been professional and courteous. Excellent service - we would recommend One Hour Air to anyone!"

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Find a One Hour Heating and Air Conditioning near you!

Local Cities We Service

  • Annapolis
  • Arnold
  • Baltimore
  • Bowie
  • Catonsville
  • Columbia
  • College Park
  • Crofton
  • Dundalk
  • Elkridge
  • Edgewater
  • Ellicott City
  • Glen Burnie
  • Laurel
  • Lochearn
  • Randallstown
  • Severn
  • Severna Park
  • Silver Spring
  • South Gate
  • Towson
  • Upper Marlboro

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One Hour Heating and Air Conditioning -


7484 Candlewood Rd
Ste T-W
Hanover, MD 21076

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HVAC Contractor in Baltimore & Central MD

Serving Central & Southern MD including Montgomery County.

One Hour Air
In Central Maryland

When you need reliable Severn, MD, air conditioning repair, you can trust the experienced team of technicians at Chilltrol One Hour Heating & Air Conditioning to get to work for you. We proudly deliver reliable HVAC services to property owners throughout Hanover, MD, and the surrounding areas. Whether your AC is acting up, running inefficiently, or is not working at all, our team of technicians is here to provide you with the excellent services you need to get your system running properly again.

At our company, our HVAC technicians can handle any repairs you need for your air conditioning system. Regardless of the issue, we will implement a reliable solution for you. Our prompt, and friendly technicians are here to deliver exceptional repairs, maintenance, and installation services. We will always work in a timely and efficient manner, and we even offer same-day service when available. Whether you live in Severn, Columbia, Crofton, Elkridge, or any of the surrounding areas, we will be to your property on time for your appointment, guaranteed.

When it comes to Severn, MD, air conditioning repair services, Chilltrol One Hour Heating & Air Conditioning is the team to trust. We work on both commercial and residential properties in Hanover, MD. Regardless of your needs or your budget, we will work hard to satisfy you. To schedule your appointment, call us today.

Always on Time, or You Don't Pay A Dime
To prove how much we value your time, we guarantee that our technicians will show up when you expect them, or your service is free. It's that simple.

No Mess and No Hassles
Heating and air service doesn't have to be messy. Our technicians will leave your home clean and debris-free, or the job's on us.

Straightforward Pricing
The cost of your heating and air project should be easy to understand. That's why we'll present a price up front and get your approval before proceeding.

Total Comfort Guaranteed
We want you to be completely satisfied with the service you receive. All repairs to your HVAC system are backed by our 100% guarantee. If a repair fails during the current heating or cooling season, we'll repair it again at no cost to you. We also guarantee our air conditioners for five years and furnaces for ten years.

Skilled Professionals
Continuous training and high company standards make our HVAC technicians the most qualified in the industry. With your comfort at stake, you deserve only the best.