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Top-Rated Air conditioning pros in Hamilton - Updated Nov 2026

Avatar for Extreme Heating And Air Conditioning
Extreme Heating And Air Conditioning
4.7(
160
)
Central A/C - InstallAir Ducts & Vents - CleanCentral A/C - Install - For Business+4 more

Serving Hamilton, OH and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"We got several quotes from local HVAC providers / installers. We felt the most comfortable with the salesman from Extreme One Hour Heating and Air Conditioning and I got the best price from them which also included a 2-year membership in their Comfort Club (Spring and Fall service visits to check and tune-up my system). We were an all electric home until a couple of years ago when we added natural gas. When our 16-year old Trane heat pump developed problems this proved an ideal time to switch over to a gas furnace and air conditioner. We stayed with Trane as we were happy with our Trane heat pump. Because we have some space constraints and limitations for our new system, Extreme sent out their system designer the day before the installation to develop a creative solution that met our requirements and efficiently maximized the space with which they had to work with minimum impacts to us. The day of the install they arrived on time, were friendly but very professional and treated our home as if it was their own. They also took the time to answer my questions while the worked. Since it was bitter cold that day, they needed to be in and out all day, and we were without a heating system most of the day, they brought a heavy duty space heater to keep us from freezing until they were done. At completion, showed us how to use the new system including the new programmable thermostat, changing filters, etc. and they cleaned up everything and left our home better than they found it. They then submitted all of our rebate paperwork to Vectren and DP&L for us. We were very impressed with the whole process of buying and installing a complete new HVAC system. I highly recommend Extreme One Hour Heating and Air Conditioning for and HVAC installation work!"
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+47

Response time7 hrs
19 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Willpower Contracting, LLC
Willpower Contracting, LLC
5.0(
13
)
Central A/C - Service or Repair

Serving Hamilton, OH and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"I would give more stars if I could. He went out of his way to help me with my AC and my furnace. He was able to come out the same day and fix my AC. He found a good deal for the parts that I needed for my furnace, and he came back and was able to fix it as soon as he had everything that he needed. I will definitely use him for all my future needs."
New line set connecting the evaporator and the condenser.
Repaired and sealed return duct basement view
Heating & A/C Project
Plenum with old evaporator coil removed
Rusted return duct section removed basement view

+17

Response time6 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for One Hour Heating & Air Conditioning - Cincinnati
One Hour Heating & Air Conditioning - Cincinnati
4.7(
317
)
Air Ducts & Vents - CleanCentral A/C - Service or Repair

Serving Hamilton, OH and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1954

Emergency services offered

Warranties offered

"The installation team did a great job. They arrived on time removed my old furnace and air conditioning system, installed my new furnace and air conditioning system quickly and professionally. They exceeded my expectations. I highly recommend them."
One Hour Team
ACCA
NATE Logo
134 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Logan Services A/C, Heat & Plumbing
Logan Services A/C, Heat & Plumbing
4.6(
97
)
Central A/C - Install

Serving Hamilton, OH and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"Chad and Andrew did great job from beginning to end of installation! They installed new heat and air system with two days of inclement weather. Both days went smoothly. Knew we made the right decision with Logan Heat and Air."
A/C & Furnace Replacement In West Chester
New Furnace & Air Conditioner
Furnace & A/C Upgrade
High Efficiency Air Conditioner & Furnace
New Trane Heat Pump & Air Handler

+2

Response time30 mins
Recommended by92%of homeowners
Avatar for Hauser Air
Hauser Air
4.6(
66
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Hamilton, OH and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1978

Free estimates

Emergency services offered

"The service tech, Jamey, was on time,courteous, personable, and knowledgeable. He did an inspection of my AC/heating system, and gave me the good news that everything was running just fine. Nothing like hearing “ no trouble found”"
furnace installation
432 neighbors recently requested a quote
Recommended by67%of homeowners
Green Clean Air
4.8(
17
)
Air Ducts & Vents - Clean

Serving Hamilton, OH and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"I contacted them and got a price and scheduled a date for a few days later. Their price is based on the number of registers. When they arrived it was determined that I had neglected to include the cold air return registers (7) in my count but Bob agreed to go ahead and complete the job at the agreed price. There were a total of 38 registers in my ranch home. The cost came to $679. They took approximately 3 hours to do the job."
Response time7 hrs
3 neighbors recently requested a quote
Recommended by92%of homeowners
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Air Conditioning FAQs, answered by experts

Most AC repair technicians will take between two and six hours to carry out repairs, depending on the work needed and the accessibility of the unit. For example, recharging refrigerant lines should take one to two hours to service, while replacing a compressor, blower fan, or other major components can take five to eight hours. You can ask your AC repair technician how long they expect the job to take, but just in case, you should plan on being home and available for most of the day.

Mold in your air conditioner isn't a good thing, as it can be harmful to your health. If the mold travels through the ductwork or is blown out of the A/C, you and your family can inhale mold spores and develop respiratory illnesses and other problems. Preventing mold from growing in the air conditioner will help protect your health.

If your drain line is clogged, your AC might stop cooling, shut down, or refuse to turn on at all. Otherwise, you might see your AC leaking water, find standing water or water damage near the unit, or notice a musty smell coming out of your air conditioner or vents.

You should only run your dehumidifier in warmer months, such as spring and summer, to get the best performance out of your system. The air gets drier when temperatures drop in the winter months, creating less of a need for a dehumidifier. However, when to run a dehumidifier will depend on your local climate.

Yes, you should turn off your AC if it’s leaking. Turning off the system prevents more condensation from leaking and reduces strain on the unit if a damaged internal component or lack of refrigerant is the cause. While this may temporarily stop the leak, water can continue to drip from a thawing coil even after the system is off. As soon as you notice a leak, turn off the unit and investigate the source or call a professional for an inspection.

The Hamilton, OH homeowners’ guide to air conditioning services

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