Heating Repair & Air Conditioning Services in Dayton, Ohio

Do you need your furnace or air conditioner repaired?

Extreme’s One Hour Heating & Air Conditioning in Dayton, Ohio is a premier HVAC repair and replacement service provider. We take pride with our industry best “on-time guarantee”.  There is no reason to wait around at home for the technician to arrive, Extreme’s One Hour Heating and air Conditioning gives you convenient scheduling options and we will be there on time!  Never wait at home on us to arrive. We offer ½ hour call or text ahead to let you know the technician is on the way.  Call us now  937.426.7399

7 Reasons why to choose Extreme's One Hour Heating & Air Conditioning. Click here to find out!

Local Dayton Company with a National Backing.

Locally owned and operated, our entire Dayton staff is ready to assist you the moment you call. You can expect the same service from the nearly 300 other One Hour Heating and Air Conditioning shops across the country. Being part of an organization as large as One Hour gives us leverage and backing with all the major brands such as Trane, Carrier, Lennox, Bryant, Honeywell, Goodman and Amana…and many more.  Being part of the One Hour Family allows us to stock our trucks like rolling warehouses carrying a large amount of parts and equipment so you don’t have to wait.  We also provide full service Duct Cleaning for you home or office.  Our professional staff will give you a free in home estimate and thoroughly explain the Duct Cleaning process.

Duct cleaning done right! Your Beavercreek area duck cleaning experts! Click here to find out more

Need a new system installed?

We are happy to provide you a free estimate, for your home or business, to replace your furnace, air conditioner, heat pump, or entire system. We carry many lines of equipment; we are a Trane Comfort specialist as well as Amana factory certified dealer. 

6-time Angies List super service award winner.   Dayton BBB Integrity Eclipse award winner.

Check out what our great customers have to say about us on Home Advisor, Facebook and Google!

Always Here When You Need Us!

  • Same day service and repair
  • Emergency service available 24/7
  • No overtime charges

Extreme's One Hour Truck Dayton, Ohio

Convenient Payment Options

  • Accept cash and check
  • Accept all major credit cards
  • 0% interest financing available

Military & Senior Discount

  • 5% Discount for Military and Seniors
  • Specials and Coupons Available
  • Click here to see our specials


Comfortable and energy efficient natural gas heat for your home with constant air circulation all year long.  Call us to learn more.

Heat Pumps

A dual purpose system from that heats your home in the winter and cools it in the summer.  Set up a free no cost estimate today!

Air Conditioners

We provide economic and efficient home cooling options from multiple manufactures. Get ready for summer.  Call us today to save!!

Follow Extreme’s One Hour Heating and Air Conditioning on Twitter and YouTube!

Check out what our happy customers say about us…

Local Reviews

Rated 5.0 out of 5 stars based on 115 customer reviews

Map of Fairborn, OH

Great service and price

Mike did a great job working g with us and our dogs. Thks for your time

Map of Dayton, OH

Very professional!

Both Mike and Caleb paid great attention to detail. Explained every thing that needed to be done and accomplished everything professionally. Highly recommend them.

Map of Fairborn, OH

Quality Work!

I needed my dryer vent cleaned out and the duct work in the attic replaced. Mike did an outstanding job. They were on time and worked very efficiently. I am so pleased with the quality of work they did, and how well they treated me. I will definitely be calling them in the future for more projects on my list. Great company!

Map of Dayton, OH

Great technicians!

Technicians were knowledgeable, neat and friendly.

Map of Xenia, OH

We appreciate One Hour!

Nick does a great job!

Anthony F.

Anthony F.

Air handler repair

Near Willow Run Dr, Dayton, OH 45430
Mike K.

Mike K.

Air ducts cleaned!!

Near Baywood Dr, Fairborn, OH 45324
Mike K.

Mike K.

Duct cleaning in Fairborn!

Near Driftwood Dr, Fairborn, OH 45324
Mike K.

Mike K.

Air duct cleaning in Springboro!!!

Near Sesame St, Springboro, OH 45066
Anthony F.

Anthony F.

Reality Inspection

Near Bateman Ct, Springboro, OH 45066

Call us today for Heating and Air Conditioning Services for Dayton, Ohio