AC Repair in the Greater Dayton Area
Need AC repair now? We fix air conditioners fast across the Greater Dayton area. Since 1969, our licensed, background‑checked techs deliver honest, upfront pricing and strong warranties. We’re available 24/7, with a 4.8 rating from 1,668 reviews. Serving Greater Dayton, including Dayton, Mason, and West Chester. Beat the heat before summer spikes by scheduling today. Call or book online for same‑day service and ask about our free service call with any paid repair.
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Why Choose Us
What Our Customers Say
"They came in about 45 minutes... diagnosed it immediately... repaired it in about two hours."
"The tech... was there within 10 minutes... and had the problem fixed ASAP."
"My repair person was professional, courteous, knowledgeable... The AC was working within 30 minutes."
Answers to Common Questions
View All FAQsWhy Is My Air Conditioner Running But Not Cooling Properly?
If your AC runs but doesn’t cool, the usual causes are a clogged filter, low refrigerant, dirty coils, a frozen evaporator, thermostat or control issues, blocked outdoor airflow, or duct leaks. Technicians in Dayton and Mason handle these exact problems with 24/7 emergency service and upfront estimates.
Quick checks:
- Set thermostat to Cool and lower the setpoint.
- Replace a dirty filter.
- Clear debris around the outdoor unit.
- Open supply/return vents.
- If coils are iced, turn AC off to thaw, then call.
Need help in Dayton, OH? Call (326) 356-0025 or book online.
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNHajZqQ3dnRRAB!2m1!1s0x0:0x78148a5e515eb418!3m1!1s2@1:CIHM0ogKEICAgICGj6jCwgE%7CCgwIkLGRkgYQiIO9vQI%7C?hl=en-US[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChZDSUhNMG9nS0VJQ0FnSUNLNV9MUkp3EAE!2m1!1s0x0:0x78148a5e515eb418!3m1!1s2@1:CIHM0ogKEICAgICK5_LRJw%7CCgwIt-CKuQYQ0Pz63gI%7C?hl=en-GB[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURwdjhLLTJ3RRAB!2m1!1s0x0:0x78148a5e515eb418!3m1!1s2@1:CIHM0ogKEICAgIDpv8K-2wE%7CCgsI5IHHpwYQsP7MRg%7C?hl=en-US[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNPbDdDbTB3RRAB!2m1!1s0x0:0x78148a5e515eb418!3m1!1s2@1:CIHM0ogKEICAgICOl7Cm0wE%7CCgwIqpXJlQYQ6LvnvgM%7C?hl=en-US[4] https://summersphc.com/dayton/information-center/specials/[5] https://summersphc.com/dayton/services/indoor-air/[6] https://www.summersphc.com/dayton/[7] https://www.summersphc.com/dayton/services/plumbing/[8] https://summersphc.com/dayton/city/miamisburg-oh-plumbing-heating-cooling/[9] https://summersphc.com/dayton/services/cooling/hvac-system-replacement/[10] https://summersphc.com/dayton/services/cooling/ac-replacement/[11] https://summersphc.com/dayton/services/cooling/hvac-maintenance-tune-ups/Why Is My AC Running But Not Cooling Properly?
An AC that runs but is not cooling usually means airflow is restricted, refrigerant is low from a leak, or the thermostat/control settings are off. The most common cause is a clogged air filter or dirty coils that block heat transfer and make the system run without dropping the temperature. Other culprits include duct leaks, a blocked outdoor unit, a frozen evaporator, or a failing condenser fan. Our local Dayton-area team sees this in Riverside homes each cooling season, and cottonwood fluff on outdoor coils is a frequent spring issue. A technician can test pressures, sensors, and ducts to confirm repair vs. recharge needs.
Try these quick checks before calling:
- Replace or rinse the air filter.
- Clear debris 2 feet around the outdoor unit.
- Set thermostat to Cool and Auto; lower setpoint by 5°F to test.
- Open all supply and return vents and confirm strong airflow.
If you see ice on refrigerant lines or a burning smell, shut the system off and book a diagnostic. <br/> Updated: 2026-06-05 <br/> Need help in Riverside, OH? Call (326) 356-0025 or book online. “Chad serviced my AC unit and got it working with a repair in a fast and professional manner.” — Larry C.
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Intermittent warm air usually means a thermostat/controls issue, low refrigerant, frozen coils, or an electrical fault. These are common AC problems we diagnose and repair 24/7 in Dayton, OH. Try simple checks first, then schedule service if it persists.
Quick checks:
- Set thermostat to Cool and Fan Auto.
- Replace the air filter.
- Remove dirt and debris from the exterior unit.
- If airflow is weak or air warms mid‑cycle, service may be needed for refrigerant, coils, blower, or wiring.
Need help in Mason, OH? Call (326) 356-0025 or book online.
Internal link: See our Dayton AC repair page. https://www.summersphc.com/dayton/
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AC compressor replacement cost for homeowners varies and is finalized after an on-site diagnostic because the part price and system match drive most of the total. The largest factor is the compressor itself, which must match your system’s capacity and specifications to restore reliable cooling.
We often see that if a system is older or has multiple failing components, full system replacement can be the better long-term value than a compressor-only swap. Our team replaces and repairs systems throughout the Xenia area with upfront pricing before any work starts. Repairs and installations are backed by a one-year warranty, and we offer free estimates for AC repair when you contact us.
If you want a ballpark, these items determine the final number:
- System capacity and required compressor type
- Brand/OEM availability and warranty selection
- Labor time, refrigerant recovery/charge, and site access
- Needed companion parts (contactors, driers, controls) after diagnosis
Schedule a diagnostic to confirm the failure and get a written estimate before deciding. <br/> Updated: 2026-05-07 <br/> Need help in Xenia, OH? Call (326) 356-0025 or book online. "Chad serviced my AC unit and got it working with a repair in a fast and professional manner." — Chad D.
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Where We Work
What areas do you serve for ac repair?
We provide AC repair throughout the Greater Dayton area, including Dayton, Mason, and West Chester. See the full service list below for every community we cover.





