HVAC Services in Dayton, OH

We install all of the following:

  • Gas furnaces

  • Central air conditioning

  • Ductless mini splits

  • Heat pump systems

  • Electric Air Handlers

  • Zoning systems

  • Humidifiers

  • Air purifiers

  • Air cleaners

  • U-V lights

  • Dual fuel systems

  • Oil Furnaces

  • Duct work

  • Chimney liners

Air conditioning company worker in Dayton, OH

Preventative Maintenance plans

Extreme’s One Hour has an assortment of offering to keep your current Heating and Cooling system running efficiently and safely all year round. Ask us about our popular


Click here for more details

Extreme Tech home inspection

Real estate inspections

Before buying or selling a home call us to evaluate the homes HVAC system, we have a complete and thorough checklist we follow to ensure you won’t be surprised with your new home purchase.

Duct cleaning floor vent

Air Duct cleaning

Extreme’s one Hour duct cleaning service “One Source” employs one of the most powerful truck mounted machines in the area, our certified technicians not only can clean your ducts but we are capable of any duct repairs you may need as well. Video inspection, before and after pictures available. We also clean dryer vents as well.

Blown in Insulation measuring stick

Blown insulation

Extreme’s One Hour can give you a free in home evaluation of your insulation, we have found over the years that most homes severely lack the proper insulation in they’re attics. High utility bills, rooms that stay hot or cold, Ice damning on gutters…these are all symptoms of improper insulation. Extreme’s one hour technicians use our own high powered equipment “One Source” to do the job right. No mess, no headaches…job is done fast and efficiently.

We also offer insulation removal, fire damage, water, or animal debris are common reasons to remove your insulation.

Extreme's One Hour Tech working on Furnace

Repair your current HVAC System

We feel we have the best technicians in the area, Nate Certified, Factory trained, Drug tested, Background and Credit checked for your protection. We service most all makes and models, give up front and fair Straightforward pricing. No gimmicks with us.

Flexible time slots to meet most clients work schedules, one of our friendly staff will assist you and ensure we get your unit operating quickly.


No overtime fees.