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Find Air conditioning pros in Ballwin

Avatar for Fresh Air Heating & Cooling
Fresh Air Heating & Cooling
4.8(
277
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+12 more

Serving Ballwin, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"Our air conditioner failed on the evening of August 11, 2021. We called around 9 PM and got a live person on the phone. He arranged for service early the next day. The weather was very hot. Technician arrived when promised, shortly after 9 AM. He replaced the capacitor and got us up and running shortly thereafter. We have a maintenance agreement, so we have elevated expectations of a service response. However, we appreciate how quickly Fresh Air resolved our problem."
Fresh Air Van
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+2

12 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Dunn Heating Air Conditioning and Plumbing
Dunn Heating Air Conditioning and Plumbing
4.7(
274
)
Central A/C - InstallCentral A/C - Service or RepairCentral Humidifier - Install or Replace+1 more

Serving Ballwin, MO and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"

DUNN HEATING & COOLING CAME OUT 2 DAYS AFTER I CALL TO SCHEDULE A ESTIMATE. I SIGN THE CONTACT ONCE THE SALEMAN EXPLAIN EVERYTHING ABOUT THE OFFER AND EXTRAS THATS WAS REQUEST OR NEEDED. THIS ALL TOOK PLACE ON A THURSDAY HAD TO CALL TO SEE WHEN THEY WHERE GOING TO START , BUT ONCE I CALL THEY CAME ON WEDNESDAY , END OF STORY.


THE SERVICE GUYS FROM DUNN HEATING & COOLING WASN'T SUPPOSE TO BE AT MY HOUSE TO ARROUND 2:00 NOON, BUT THEY ARRIVED AT 10:45 AM WHICH WAS VERY SOONER THEN I PLAN.  BUT EVERYTHING WENT WELL.  THEY BEGIN TO PULL EVERYTHING APART TO START PERPAIRING FOR THE NEW AIR CONDITIONING UNIT.  I WAS VERY EXCITED ABOUT FINALLY GETTING MY AIR CONDITIONING IN ,  NOT TO MUCH NOISE, VERY PERFESSIONAL INSTALL.   THE BRAND WAS RHEEM WHICH SEEM TO BE A GOOD BRAND FROM WHAT I FOUND OUT FROM OTHERS.  iT TOOK ABOUT 4 HOURS ARE MORE GIVE OR TAKE.  IM VERY PLEASE WITH MY UNIT , MY HOUSE IS VERY COOL AND  I HAVE THERMOSTAT ON 75. 

I WILL RECOMMEND DUNN TO OTHERS , AS WELL AS MY FRIENDS AND FAMILY.  BY THE WAY I COULDN'T FIND ANYONE THAT WAS RESONABLE AT FIRST AND I DECIDED TO SIGNUP FOR ANGIELIST AT A SPECIAL PRICE FOR ONE YEAR $9.99 WITH 25 % OFF WHICH MADE IT $7.50 AND THIS IS WHEN I FOUND DUNN HEATING AND COOLING COMPANY VERY REASONABLE & AFFORDABLE . 

I am loving my new central air unit thanks Dunn Heating and cooling for such a great deal on angielist."
Additional Photos
Response time2 days
28 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for SmartHouse Heating & Cooling
SmartHouse Heating & Cooling
4.7(
593
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Ballwin, MO and surrounding areas

Approved

In business since 1947

Free estimates

Emergency services offered

"We hired Smarthome to insulate our attic. They were not the lowest bid, but their expertise, particularly about the various insulation options, convinced us to go with them. And I am so very glad that we did. Not only did they do everything we expected in terms of insulating our attic, they noticed that the duct work in our air conditioning system had not been properly sealed. We had been wrestling with the unit's inability to cool our house for years, and our regular HVAC provider told us that this was the best the system could do. In fairness, we have an old house and a complex air conditioning set up. Smarthouse both diagnosed the problem and undertook the necessary fixes for a very reasonable price. As a result our house is markedly cooler and our electrical bill has come down a bit. This is a great company. They know what they're doing and they genuinely seem to care."
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 time2 days
2 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Mechanical Climate Solutions, LLC
Mechanical Climate Solutions, LLC
4.9(
66
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Ballwin, MO and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"MCS techs were very courteous. New HVAC system install went well. They explained all their work professionally. Also found a crack in the flue and replaced which was overlooked by a previous contractor. They are very thorough and reasonable. I highly recommend MCS."
17 Seer 2 stage condensing unit.
Response time11 hrs
2 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Liberty Heating & Cooling
Liberty Heating & Cooling
4.8(
46
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+3 more

Serving Ballwin, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Emergency services offered

Warranties offered

"Sam is honest and very professional, working 12 to 14 hours per day to keep his customers cool. We had work done on our A/C and he used all of his Freon on our A/C. Sam assured us he would return. Unfortunately, before Sam could return with more Freon, our thermostat quit working. We called Sam in the afternoon and he assured us he would stop by. Sam did call on his way and he arrived a few minutes before 9 pm. Sam is wonderful!"
A/C replacement
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+10

4 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Froggy's Heating and Air, LLC
Froggy's Heating and Air, LLC
4.4(
90
)
Central A/C - Service or Repair

Serving Ballwin, MO and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"He serviced our HVAC system. House was dormant for about 9 months and for sale. We noticed the system didn?t smell good and wasn?t cooling the house right. So we called him to service our house. He found our duct work to be compromised and pulled out some dead animals. He fixed the ducts and put this shiney metal tape on all the seams. Checked the AC outside for refrigerant gas and operation. Then he checked our furnace inside. The filter was black and musty, he didn?t have our size on his truck but he ordered a couple from Walmart and had them delivered while he worked on our furnace blower. He found the round fan was all clogged with hair and dirt. He pulled it out and cleaned it outside, used some chemicals that made it shiny and cleaned. Checked the fan blades with a tool to make sure it was blowing a strong stream of air. Took a shop vac cleaned each of our floor vents and put about 10 or 15 foot of hose going in each direction. For a man by himself he was very"
Heating & Cooling 1
Heating & Cooling 1
Heating & Cooling 1
Response time11 hrs
Recommended by93%of homeowners
Avatar for Hosack Plumbing Heating & Cooling
Hosack Plumbing Heating & Cooling
4.8(
345
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+12 more

Serving Ballwin, MO and surrounding areas

Approved

In business since 2009

Warranties offered

Credit card accepted

With over twenty-five years of experience in the industry, Hosack Plumbing Heating & Cooling is the right team to trust with all of your plumbing and heating and cooling needs. Our professional St. Louis technicians are highly skilled, extensively trained, extremely knowledgeable, and expertly proficient. We specialize in commercial and residential plumbing as well as residential heating and cooling. Our technicians will do everything possible to ensure that you have the most reliable and efficient plumbing and hvac systems possible.

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+2

Response time8 hrs
14 neighbors recently requested a quote
Recommended by93%of homeowners
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FAQs for air conditioning projects in Ballwin, MO

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Ballwin, MO homeowners’ guide to air conditioning services

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