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TRUSTED BY DAYTON, OH HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon174
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Dayton - Updated Nov 2026

Avatar for Hubbs Heating & Air LLC
Hubbs Heating & Air LLC
4.8(
441
)
Central A/C - InstallBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+47 more

Serving Dayton, OH and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Victor was wonderful. He was on time, professional, and explained everything he was doing. He was thorough and figured out that the problem was electrical instead of with my HVAC system. Very knowledgeable. I will be using this company in the future for any HVAC needs. Thanks!"
Proud owner of a new Evolution system.
Residential HVAC System Install
Residential HVAC System Install
Additional Photos
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+21

Response time1 day
4 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Watkins Heating & Cooling
Watkins Heating & Cooling
4.8(
96
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallOil Furnace / Forced Air Heating System - Install+47 more

Serving Dayton, OH and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"Previously I had used Rod Poppe for our HVAC needs, however, when he retired he sold his business to Watkins.  When our air conditioning unit stopped running on Friday evening, I gave Watkins a call.  Since it was fairly late, their answering machine gave an option of leaving an emergency breakdown message or a regular message (which I chose due to the late hour).  On Saturday morning I gave them another call about 8:00 AM and left an emergency message since it was going to be a hot, muggy day and I needed the unit fixed ASAP.  I received a call back from Michael House, the on-call tech very quickly and by 9:30 he was at our house.  After doing a thorough analysis, he found a blown capacitor and low Freon level, but otherwise the 24+ year old unit was in good shape.  Michael was VERY professional, courteous, and thorough.  I would HIGHLY recommend Watkins for any HVAC work."
Additional Photos
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7 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Extreme Heating And Air Conditioning
Extreme Heating And Air Conditioning
4.7(
160
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallAir Ducts & Vents - Clean+48 more

Serving Dayton, OH and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Very good service at a fair price. Service Manager Nick gave no pressure options for my situation. I elected for a new install which was performed within two days. Nick was very knowledgeable and responsive to my questions and concerns. Joe and Kaleb did an amazingly good job integrating the new furnace. Thrown together old systems now look like one streamlined unit. It doesn't just "work," it was put in with some craftmanship (HVAC art). Will definitely continue to use this company."
Additional Photos
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+47

Response time7 hrs
24 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Desoto's HVAC
Desoto's HVAC
5.0(
32
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Repair+3 more

Serving Dayton, OH and surrounding areas

Approved

In business since 2016

Warranties offered

Small jobs welcome

"Mr. DeSoto did an outstanding job replacing two thru the wall air conditioning units at my home. He found two units that were available and had them installed within 24 hours. He is very customer oriented, well organized, prompt and value oriented. I would recommend him for any heating/cooling work you my need."
Response time4 hrs
Recommended by96%of homeowners
Green Clean Air
4.8(
17
)
Air Ducts & Vents - Clean

Serving Dayton, OH and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Scheduling was a breeze, and  they even came out on a Saturday to do the work.   Bob (the owner) and Tyler showed up on time on the scheduled day.  They first explained the entire process and answered all of our questions.   Bob  even made a couple recommendations regarding the heating system in our home.  They updated us through the entire process, which took about 4 hours.   They moved all of the furniture back after the work was complete and cleaned up any messes.   I felt the price was competitive for the quality of work.  I would highly recommend this company for duct cleaning.
"
Response time7 hrs
3 neighbors recently requested a quote
Recommended by92%of homeowners
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Showing 1-10 of 439
Heating and Air Conditioning FAQs, answered by experts

Deciding whether to replace just the AC coil or the entire system depends on the age of your unit and the overall cost. Replacing a coil is less expensive than a full system replacement, but it can still be a pricey repair. If your HVAC system is relatively new and still under warranty, or if the replacement cost is significantly lower than a new system, replacing the coil can be a worthwhile investment that restores efficiency and extends the unit's life. However, for older systems (nearing the end of their 10-15 year lifespan) or those with extensive damage, it is often more cost-effective to replace the entire AC unit. Mismatched coils in an older system can lead to inefficiency and future breakdowns, so a full replacement ensures optimal performance and avoids further costly repairs.

Choosing a unit with higher BTUs can use more electricity if the BTUs are more than what’s necessary for your room size. However, choosing an AC with BTUs that match the size of your room or house, your unit will cool your space efficiently. On the flip side, choosing a system with not enough BTUs can cause the system to work harder to try to cool the space, leading to more electricity consumption and higher energy bills.

The $5,000 rule for HVAC systems helps homeowners decide whether to repair or replace an AC or furnace. Take the quote for the HVAC repair cost and multiply that by the age of the HVAC system. If the total is higher than $5,000, it’s more cost-effective to replace the system. If the total is lower than $5,000, consider repairing the system.

A one-stage air conditioner only has one setting, while a two-stage air conditioner has a high and low setting. A two-stage air conditioner costs between $500 and $2,500 more than a traditional air conditioner, but it has a longer lifespan and helps to increase energy efficiency. To make this decision, you should consider your energy needs and available budget.

Some HVAC systems tend to use R410A refrigerant, although if you have an older model it may be using R22. R22 is banned due to its harmful environmental and health impacts, and it is a sign that your AC unit is old enough to consider a replacement and the significant efficiency gains that could come with it.

The Dayton, OH homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.