Your Comfort Is Just A Call Away

Bel Air Heating & Cooling Service Experts

Don't Let "Small" Problems Turn
Into Big Ones. The One Hour Guys Can Help.

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Free Replacement Estimates Upgrade Today and Save on Your Energy Bills! One Hour Air Conditioning & Heating® of Harford County Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Management reserves the right to modify offers at any given time. Some restrictions may apply. Expires Dec 31, 2021

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No Matter What You Need, Our Pros Are Ready to Help!

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AC & Heating Repair Services in Harford County

Keeping You Comfortable All Season Long

When it comes to your HVAC system, you need to know that the team you trust to provide repairs and maintenance is the best. There is no compromising when it comes to the comfort of your home and your family. At One Hour Air Conditioning & Heating® of Harford County, we are dedicated to providing you with unrivaled services for your heating and cooling systems. Our Harford County HVAC company is the leading provider of heating and cooling services and our team is dedicated to earning your trust, providing reliable services, and restoring comfort to your home quickly and efficiently.

We offer highly trained HVAC technicians who have extensive experience and provide services that are backed by our 100% satisfaction guarantee. Each of our team members is background checked and drug tested to make sure that you have the peace of mind that you deserve when you are waiting for your system to be fixed. One Hour Air Conditioning & Heating® of Harford County also offers customers our on-time guarantee, which simply promises that we will always be there right at our scheduled time, and if we aren’t, your service is free.

Always Here for You

HVAC troubles don’t stick to a 9 – 5 schedule, so neither do we. One Hour Air Conditioning & Heating® of Harford County is here for you whenever you need us. With our ‘round-the-clock availability, you can count on One Hour to be there when emergencies arise. When your heating or cooling unit isn’t working, it doesn’t take long for your home to become uncomfortable. Just give us a call and rest assured that help is on the way.

In addition to heating and cooling services, our Harford County AC & heating repair team can assist you with your indoor air quality, air ducts, and thermostats. All of these components work together to keep you comfortable, and we can assess them all to make sure your entire system is in great shape.

Reach out to us today at (301) 321-7231 to request an appointment!

Always On Time... Or You Don't
Pay A Dime

‘Round the Clock Availability
No matter the hour, you can trust One Hour to be there
to help you when you get hit with the unexpected.
100% Satisfaction Guarantee
We guarantee our materials, labor, and craftsmanship
for up to two years from the date of your service.
We Love What We Do
Our trained Comfort Specialists are friendly,
knowledgeable, and genuinely love helping people.

Learn More About Us

We Have A Reputation For Being Punctual, Friendly, and Knowledgeable

“Tyrell was great. Very professional and very friendly. Went over everything in detail and made recommendations. He was great to work with and I hope that he stays our technician for future calls.”
- Charlene C.
“Tyrell Powell was very nice, professional and knowledgeable. He arrived looked at the unit and saw the problem. He gave his solution of repairing the problem. It took him all of 15 mins. I thank you ...”
- Wanda MS
“Very pleased with the service I received today. Mr. Powell was very professional and knowledgeable about quickly resolving my heating issue. I would definitely recommend him to service your heating ...”
- John H
“Very professional technician. Showed and explained exactly what was going on. Very satisfied with the service.”
- Gloria T.
“Osman Saucedo was very thorough checking the furnace doing testing and the vents. He was polite and explained to my husband as to why we were not feeling the heat from the vents. Thank you.”
- Cecelia W.
“Came on time very professional found the problem with my outdoor unit. Great Job!”
- Gary R