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Find Central a/c service or repairers in Saint Ann

Avatar for Fresh Air Heating & Cooling
Fresh Air Heating & Cooling
4.8(
277
)

Serving Saint Ann, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"We were 100% satisfied with Fresh Air Heating & Cooling and would HIGHLY RECOMMEND them. Everything about the entire experience was fantastic. Short story is our heat went out on a morning when the temp was minus 6 degrees. They were able to repair the system that day and install a new one later that week. There was no high pressure sales pitch -- only excellent advice and service. We found Fresh Air Heating & Cooling on Angie's List and are now LOYAL CUSTOMERS!"
Fresh Air Van
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

8 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Rhymes Heating & Cooling
Rhymes Heating & Cooling
4.8(
193
)

Serving Saint Ann, MO and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"Wonderful service! Rhymes Heating and Cooling as become our go-to provider for heating and A/C service, as they are always prompt, courteous, professional and, most importantly, do GREAT work."
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 Ann, MO and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"I recently had a positive experience with Dunn Service regarding boiler issues, and I wanted to share my thoughts. The technician arrived promptly at the scheduled time and approached their tasks with expertise and precision, ensuring that all problems were thoroughly addressed. The pricing for their professional services was reasonable. Overall, based on my experience with Dunn Service—characterized by politeness, professionalism, and fair pricing—I would highly recommend their services to anyone facing heating and air conditioning issues."
Additional Photos
Response time2 days
20 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for SmartHouse Heating & Cooling
SmartHouse Heating & Cooling
4.7(
593
)

Serving Saint Ann, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"The technicians are so nice and helpful, professional, and punctual. They've maintained my hvac for the three years I've lived in this house and all runs smoothly."
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 Hosack Plumbing Heating & Cooling
Hosack Plumbing Heating & Cooling
4.8(
344
)

Serving Saint Ann, MO and surrounding areas

Approved

In business since 2009

Warranties offered

Credit card accepted

"Estimate and service were completed quickly. Price seemed very fair and was less than estimated. Work was high quality. Office team and plumber was very easy to work with. I would highly recommend."
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+2

Response time6 days
10 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Hively Home Comfort, LLC
Hively Home Comfort, LLC
4.7(
39
)

Serving Saint Ann, 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%
57 neighbors recently requested a quote
Avatar for Hoffmann Brothers
Hoffmann Brothers
4.5(
43
)

Serving Saint Ann, MO and surrounding areas

Approved

In business since 2000

Emergency services offered

Credit card accepted

"I really appreciated the phone calls that kept me apprised of where the repairman was and how much longer it might take for him to get to my house. The repairman was really nice and he was not only able to figure out what was wrong with my dryer in no time, but he was able to repair it very quickly when the parts arrived. I would definitely recommend them and I will call them if I need another repair."
Installation
Installation
Heat Pump
Heat Pump
Furnace

+14

1 neighbors recently requested a quote
Recommended by97%of homeowners
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FAQs for central a/c service or repair projects in Saint Ann, 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 Ann, 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.