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Find Central a/c service or repairers in Saint-louis

Avatar for Anton's Plumbing, Heating/Cooling & Energy Experts
Anton's Plumbing, Heating/Cooling & Energy Experts
4.7(
513
)

Serving Saint-louis, MO and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"Service technician showed up as scheduled. We reviewed items to work on (leaking valves and faucet), identified repairs to be made then he went to work. Job completed in a timely, efficient, and professional manner."
Additional Photos
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+18

Response time1 day
Response rate86%
16 neighbors recently requested a quote
Avatar for Rhymes Heating & Cooling
Rhymes Heating & Cooling
4.8(
193
)

Serving Saint-louis, MO and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"Furnace replaced, air conditioner repaired- very pleased with Rhymes. They always make sure you are totally satisfied with the work they do!"
Response time12 hrs
6 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Dunn Heating Air Conditioning and Plumbing
Dunn Heating Air Conditioning and Plumbing
4.7(
273
)

Serving Saint-louis, MO and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Rob has been our serviceman for the past 2 years and is excellent. He takes the time to explain what is going on and is very professional. Will definitely use Dunn for future AC service needs."
Additional Photos
Response time2 days
20 neighbors recently requested a quote
Recommended by90%of homeowners
Belking
5.0(
26
)

Serving Saint-louis, MO and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"The gas heater igniter replacement was done same day with original brand “Goodman” parts for fair price. I also received free advice on the proper maintenance of the HVAC units for the 4-family property where I’m an owner-occupant. I only used Angi’s list because my usual repair person was out of town and am very glad I did based on this experience!"
Response time9 hrs
Recommended by83%of homeowners
Avatar for SmartHouse Heating & Cooling
SmartHouse Heating & Cooling
4.7(
593
)

Serving Saint-louis, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"Marcus is great. He's serviced my house several times for both AC and furnace maintenance. He's very knowledgeable and thorough. Takes time to explain things and answer questions. Also offers suggestions, but doesn't pressure you. He's very efficient. Appears to be an honest HVAC tech and good guy."
Old boiler being removed
A Manual-J load calculation is performed to determine the precise amount of heating and cooling needed for each space.
Installing a Mitsubishi Hyper Heat Mini Split System to Heat and Cool this Sunroom Addition.
Mitsubishi outdoor unit installed on rooftop to heat and cool 3rd floor of this St. Louis City home.
Daikin FIT Heat Pump Installed in University City Home

+106

Response time3 days
5 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Hively Home Comfort, LLC
Hively Home Comfort, LLC
4.7(
39
)

Serving Saint-louis, MO and surrounding areas

Approved

In business since 2017

Emergency services offered

Warranties offered

"John was upfront and honest through the whole project. He's the kind of guy you can trust with a handshake. John gave me several options including repair or replacement and we discussed the plusses and minuses of each option. We agreed replacement of my 20 plus year old AC with a new 16 SEER unit was my best option. My old unit ran non stop from May through September. The new unit cycles on and off, even on the hottest days, as it has no problem keeping up with the cooling load in my house. I'm still waiting to get my first electric bill after the new install, but I'm sure it will be considerably lower. The whole crew was very friendly and professional resulting in a great finished project and a much cooler house."
Replacements
Replacements
Replacements
Response time3 hrs
Response rate87%
51 neighbors recently requested a quote
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Showing 1-10 of 194
FAQs for central a/c service or repair projects in Saint-louis, MO

Coils work to absorb heat into the refrigerant that flows through them, moving heat from one location to another. For air conditioning, the evaporator coil inside the air handler in your home absorbs heat. It then transfers the heat outside to the condenser coil, where it releases it. The opposite process happens for heat pumps. When the coils get dusty and dirty, it reduces how well these components work.

Skip regular cleanings, and dirt, debris, and mineral deposits will blanket your evaporator and condenser coils. When that happens, the coils can’t shed heat efficiently, so the system works harder and your energy bill climbs. Over time, overheating strains the compressor and can trigger a full breakdown—an avoidable repair that often costs far more than a simple annual cleaning.

AC coil cleaning is an investment that pays for itself in the benefits it provides. Dust‑caked coils force your AC to run longer, so you spend more on electricity and rack up extra wear. A quick professional cleaning restores efficiency, trims monthly bills, and eases strain on expensive parts. Over the long haul, that small yearly fee delays pricy repairs and stretches the unit’s lifespan, making coil cleaning one of the smartest HVAC tune‑ups you can schedule.

Watch for higher electric bills, rooms that stay warm no matter how low you set the thermostat, or an AC system that runs nonstop. Extra humidity and frost on the coils are also red flags. Catching these clues early lets you schedule a quick cleaning before the system overworks itself and triggers an expensive breakdown.

Your AC cleaning technician starts by shutting off the power to the unit and removing the faceplate. Compressed air and a vacuum hose blast away loose debris, followed by a coil-safe, no-rinse cleaner that dissolves stubborn grime. After the solution has soaked in, the professional wipes the fins, reassembles the housing, and restores power, leaving the system ready to cool at peak efficiency.

The Saint-louis, MO homeowners’ guide to central a/c service or repairs

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