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Missouri Furnace & Air Conditioning

HVAC Companies in St. Peters, Missouri
Ranked #7 in St. Peters | Grade B-
4.90 (353 reviews)

Missouri Furnace & Air Conditioning

Local HVAC company handling heating and cooling repairs, replacements, and maintenance for homes and small businesses. Known for quick response, clear communication, and respectful service Serving homeowners across St. Peters, Missouri.

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Why Homeowners Choose This Business

Open 24 hours with quick response times. Technicians explain findings, discuss options, and focus on restoring comfort safely. Service coverage includes Earth City, Chesterfield, and surrounding St. Louis communities Local experience that helps homeowners across St. Peters, Missouri compare a more region-aware provider.

Service Area

Earth City headquarters with routine service to Chesterfield, St. Louis, St. Charles, and nearby areas Serving homeowners across St. Peters, Missouri and nearby surrounding areas.

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  • Service information
  • Customer review signals
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How This Business Compares

A quick local comparison based on review strength, business detail, and local service fit.
  • Shows strong customer satisfaction signals based on review quality and volume.

Trust Signals

Emergency Service - Open 24 hours; emergency calls accepted.

Services Covered

  Renovation Services
  Furnace Repair
  Air Conditioning Repair
  Hvac Maintenance
  Maintenance
  Installations
  Thermostat Replacement
  Duct repair
  Repairs
  AC Installation
  Furnace Installation
  Emergency HVAC service
  Heat Pump Service
  Indoor air quality check
  Commercial HVAC light
  Seasonal Tune-Up

Heating and AC repair and maintenance, furnace and AC replacement, thermostat troubleshooting and replacement, duct repair and replacement, and seasonal tune-ups for homes and small businesses.

Reviews

Customer Reviews

Steven Vasquez
Angel and Nick did a a great job today. They showed up at the earliest possible time to fix my A/C and were incredibly friendly. They were upfront with what the problems were with my unit and got the issues fixed quickly. They inspected the…
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Angel and Nick did a a great job today. They showed up at the earliest possible time to fix my A/C and were incredibly friendly. They were upfront with what the problems were with my unit and got the issues fixed quickly. They inspected the unit after the fix throughly to make sure the unit is healthy. I’m very appreciative of their work and would definitely recommend them again!
Terri Vizenor
My husband and I are very pleased with Missouri Furnace and Air Conditioning. We used them once last year. My husband was so impressed by their friendliness, professionalism, timeliness, communication with him and their fair pricing that he…
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My husband and I are very pleased with Missouri Furnace and Air Conditioning. We used them once last year. My husband was so impressed by their friendliness, professionalism, timeliness, communication with him and their fair pricing that he insisted upon using them to service our AC unit again.

We were fortunate to have Nick and Angel as our HVAC technicians last week. Nick was very pleasant when he called to let us know they were on their way, and he and Angel were just as pleasant and polite in person! Nick worked in the house and put the shoe covers over his shoes, which I am appreciative of. He let us know what they were going to be doing and provided a thorough follow up when they were finished. As a team, they got the job done quickly and efficiently. Nick and Angel made choosing Missouri Furnace and Air Conditioning another satisfying experience!
J Rod
Love love love this company. My home is nearly 30yrs old and starting to have a few issues. Bob has fixed different things on my HVAC system on multiple occasions. Also replaced my AC a few years back. He is fast, knowledgeable, efficient…
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Love love love this company. My home is nearly 30yrs old and starting to have a few issues. Bob has fixed different things on my HVAC system on multiple occasions. Also replaced my AC a few years back. He is fast, knowledgeable, efficient and very polite. Over all great work!! Dealing with him and this company has always a pleasurable experience. I’d recommend them/him to my own family!!
Anna Watts
James was a very nice technician but did not clean to the standards of what Missouri furnace has. Technician made me clean the filters, he did not clean the dirt and debris around the coil. He did check and make sure everything was working…
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James was a very nice technician but did not clean to the standards of what Missouri furnace has. Technician made me clean the filters, he did not clean the dirt and debris around the coil. He did check and make sure everything was working and the temperature was blowing how it needs but to say he cleaned is not true. Paid $100 for him to check and and test stuff and give a quote that we did in fact ask for but felt we paid for a quote as well as him checking the wires and temping the vents etc. Lady over the phone said they can come back out but I don’t want them touching anything if they don’t clean stuff and just say oh well we did do what was supposed to of been done per company policy. Thanks Missouri furnace. 1 star for me.
Denorah Morrow
We had a water leak and never expected to need parts of our HVAC ducts replaced. Bob V came out within an hour, worked quickly to cut out all the damage and came back in 2 days to replace the ducts (once the leak was fixed). He and both of…
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We had a water leak and never expected to need parts of our HVAC ducts replaced. Bob V came out within an hour, worked quickly to cut out all the damage and came back in 2 days to replace the ducts (once the leak was fixed). He and both of his technicians were quick, professional and very respectful. We will absolutely be calling Missouri Furnace and Air Conditioning Co. for any future HVAC issues!
Amy Caudill
Aaron M provided outstanding service when my heat went out last week. He contacted me shortly after I called for emergency service and arrived within an hour of my request. Aaron is not only professional, he is also personable. He quickly…
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Aaron M provided outstanding service when my heat went out last week. He contacted me shortly after I called for emergency service and arrived within an hour of my request. Aaron is not only professional, he is also personable. He quickly diagnosed the issue and replaced my thermostat on the spot. My pipes would have burst that night without his help.
Me
From the initial phone call with the secretary.. To the actual visit and work on my furnace by James.. the service I received today was as “top notch” as it has been since first receiving service from the Mo. Furnace team in the early 1980’…
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From the initial phone call with the secretary.. To the actual visit and work on my furnace by James.. the service I received today was as “top notch” as it has been since first receiving service from the Mo. Furnace team in the early 1980’s.
James is always on schedule for the appointment. He has a polite and professional manner in talking to you and explaining the work to be done. He speaks to you on a level that is understandable for the job recommended. I would recommend him to friends.
Jim Rimkus
Wednesday October 1, 2025 @ 9AM. Work performed was not of the usual expectations (lack quality worhmanship). At the last minute I went from paying $450 to $494 because the acting secretary “dema…
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Wednesday October 1, 2025 @ 9AM. Work performed was not of the usual expectations (lack quality worhmanship). At the last minute I went from paying $450 to $494 because the acting secretary “demanded” that I pay extra, because they had to make two trips to uninstall two defective booster fans in which they installed. (Not my fault) Then she went on to tell me, Aaron will wait at my residence until I came up with the cash. I told him to follow me to the bank and will pay him right away. Instead of mailing in a money order which was the agreement between Tracy & I. (Secretary is not allowing me to talk to Tracy.)
“I will not be calling them back!” ??
After this incident, you lost years of integrity that you had built up with me!
By the way, the $744 amount was with the agreement the parts (booster fan) that you installed worked
properly. I was left with nothing but grief and an ugly “temporary” tape patch left in my ductwork! Should have used mastic for a permanent fix! And Yes you did change your mind twice on the agreed amount!

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Emergency Service

Emergency service may be available for urgent issues.

Frequently Asked Questions

Yes. The company lists 24-hour availability and reviewers describe receiving help after hours. Response times vary by location and call volume, but urgent heating and cooling issues are prioritized.

They work on furnaces, central air conditioners, thermostats, and ductwork for residential and light commercial customers. If a unit is beyond repair, they can provide replacement options and scheduling.

Same-day or next-day service is common, and some reviews mention arrivals within about an hour for urgent calls. Exact timing depends on your location, the season, and current workload.

Yes, they perform seasonal inspections and system tune-ups. Maintenance visits typically include system checks, performance testing, and recommendations if parts or cleaning are needed.

They are based in Earth City and regularly serve Chesterfield, St. Louis, St. Charles, and nearby communities. Call to confirm availability for your address.
 Verified Listing

Opening Hours

  • Monday Open 24 hours
  • Tuesday Open 24 hours
  • Wednesday Open 24 hours
  • Thursday Open 24 hours
  • Friday Open 24 hours
  • Saturday Open 24 hours
  • Sunday Open 24 hours

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Business Details

Business Rating
4.90 (353 reviews) Featured BusinessPro Listing
Address
13756 Shoreline Dr, Earth City, MO 63045
Business Type
Service
Website
http://www.missourifurnace.com/
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