"},"url":"https://www.angi.com/companylist/us/mo/chesterfield/fresh-air-heating-and-cooling-reviews-97527.htm"},"position":4},{"@type":"ListItem","item":{"@type":"LocalBusiness","name":"Kirkwood Heating & Air Conditioning","address":{"@type":"PostalAddress","addressRegion":"MO","addressCountry":"US"},"review":{"@type":"Review","author":{"@type":"Person","name":"Thomas V."},"reviewBody":"We've had several HVAC companies in the past few years, and Kirkwood Heating & Cooling was definitely the most honest, professional, and fair we've dealt with. No questions they will be who we use from now on. "},"url":"https://www.angi.com/companylist/us/mo/saint-louis/kirkwood-heating-and-air-conditioning-reviews-97537.htm"},"position":5},{"@type":"ListItem","item":{"@type":"LocalBusiness","name":"Mertens Service","address":{"@type":"PostalAddress","addressRegion":"MO","addressCountry":"US"},"review":{"@type":"Review","author":{"@type":"Person","name":"Laura G."},"reviewBody":"Our air conditioning unit died. I contacted 4 HVAC companies. Because of various factors, we had to replace not only the A/C, but also the furnace. We selected Mertens Heating and Air Conditioning Service over the others for a couple of reasons. But probably the most important was, not only do they have a great record here on Angie's List, they came highly recommended by two friends who have worked with them. Matt Mertens was able to come to our home the same day I called. We had the opportunity to purchase the unit from a friend who is in the HVAC business and Mertens was the only one who was willing to do the labor even if we did not purchase the unit through them. They provided us with four options plus the one where we would provide the unit. As it turned out, their pricing was so good, we decided to purchase the HVAC through them. Also, they had a 10 year warranty on all parts and labor for the HVAC units they provided. This was the best warranty from any of the contractors we contacted. Tim and Matt came and put tarp down on our hardwood floors to help prevent damage. They were very neat and extremely professional. Our electric breaker switch needed upgrading and this was included in their price. It was an additional charge by all of the other companies we looked at except one, who required we hire a separate electrician to come and do the work. Mertens is also putting together the paperwork for rebates that we are eligible for. We found them to be dependable, and honest about how best to meet our needs. I highly recommend them! As an aside, we are now using them to service our HVAC on an annual basis. "},"url":"https://www.angi.com/companylist/us/mo/st-louis/mertens-service-reviews-246183.htm"},"position":6},{"@type":"ListItem","item":{"@type":"LocalBusiness","name":"Reliable Heating & Cooling, Inc","address":{"@type":"PostalAddress","addressRegion":"MO","addressCountry":"US"},"review":{"@type":"Review","author":{"@type":"Person","name":"Mary D."},"reviewBody":"my a/c went out at 6 pm on a friday evening, with the hottest days of the summer coming this weekend. i looked up a/c on angies list and came up with reliable. i received a call back within a few minutes. the repairman came the next morning(my choice to wait until the next day) at 9 am, had the work done by 10 am. he showed me all that needed to be done, it was my choice to add the cleaning, was very helpful with advise, no pressure to do other things, pleasant and down to business. he was there for a job and got it done. i would recommend reliable for any heating and cooling issues. i will call them when it is time to clean my furnace. "},"url":"https://www.angi.com/companylist/us/mo/st.-louis/reliable-heating-and-cooling%2C-inc-reviews-109123.htm"},"position":7},{"@type":"ListItem","item":{"@type":"LocalBusiness","name":"Hoffmann Brothers","address":{"@type":"PostalAddress","addressRegion":"MO","addressCountry":"US"},"review":{"@type":"Review","author":{"@type":"Person","name":"Kathleen R."},"reviewBody":"We pay them monthly so it is not a flat fee. They come twice a year to check the heating and air conditioning to make sure everything is working correctly. They are very professional. We have no dislikes about them. They are very, very good. We will definitely continue to use them."},"url":"https://www.angi.com/companylist/us/mo/saint-louis/hoffmann-brothers-reviews-97559.htm"},"position":8},{"@type":"ListItem","item":{"@type":"LocalBusiness","name":"NEW SYSTEMS AIR CONDITIONING & HEATING","address":{"@type":"PostalAddress","addressRegion":"MO","addressCountry":"US"},"review":{"@type":"Review","author":{"@type":"Person","name":"Dr. W."},"reviewBody":"They failed to clean an air conditioning vent, and it overflowed water. I called them the same morning and left a message, but I did not hear from them for two days. I had told them that there was water pouring down my staircase. I even had a service contract with them. It was my wood worker who actually cleaned up all the mess later. I was not very happy with New Systems Air Conditioning & Heating. I wasn't happy with their price either. I have not done business with them again."},"url":"https://www.angi.com/companylist/us/mo/fenton/new-systems-air-conditioning-and-heating-reviews-2008073.htm"},"position":9},{"@type":"ListItem","item":{"@type":"LocalBusiness","name":"Controlled Heating & Air Conditioning","address":{"@type":"PostalAddress","addressRegion":"MO","addressCountry":"US"},"review":{"@type":"Review","author":{"@type":"Person","name":"DAVID F."},"reviewBody":"We have used Controlled Heating and Air Conditioning for our routine maintenance of AC and furnaces (we do this at the start of each heating and cooling season), and for any necessary repairs to our AC and heating. They are extremely good, very punctual and courteous. I highly recommend them."},"url":"https://www.angi.com/companylist/us/mo/arnold/controlled-heating-and-air-conditioning-reviews-171329.htm"},"position":10}]}
Heating And Air Conditioning Service reviews from real Angi homeowners in Oakville, MO
Aside from that, I asked them to look at the furnace and the man blew and cleared out a hose that was connected to his heating and air conditioning unit and that fixed that at least temporarily which he did not need to do. He did not charge. He went down and looked at it for me, so that was...
Gail B.
5.0
09/2016
When they installed my heater and cooling it only had to be 80% efficient and the next year the law was 90% efficient so he told me it would be a $1000 more expensive. This was the furnace and a new outside air conditioner that was a half a ton more, an additional outlet in the house. I...
We've had several HVAC companies in the past few years, and Kirkwood Heating & Cooling was definitely the most honest, professional, and fair we've dealt with. No questions they will be who we use from now on.
Laura G.
5.0
07/2013
Our air conditioning unit died. I contacted 4 HVAC companies. Because of various factors, we had to replace not only the A/C, but also the furnace. We selected Mertens Heating and Air Conditioning Service over the others for a couple of reasons. But probably the most important was, not...
Mary D.
5.0
07/2011
my a/c went out at 6 pm on a friday evening, with the hottest days of the summer coming this weekend. i looked up a/c on angies list and came up with reliable. i received a call back within a few minutes. the repairman came the next morning(my choice to wait until the next day) at 9 am, had...
Kathleen R.
5.0
03/2011
We pay them monthly so it is not a flat fee. They come twice a year to check the heating and air conditioning to make sure everything is working correctly. They are very professional. We have no dislikes about them. They are very, very good. We will definitely continue to use them.
Dr W.
1.0
01/2011
They failed to clean an air conditioning vent, and it overflowed water. I called them the same morning and left a message, but I did not hear from them for two days. I had told them that there was water pouring down my staircase. I even had a service contract with them. It was my wood...
David F.
5.0
05/2009
We have used Controlled Heating and Air Conditioning for our routine maintenance of AC and furnaces (we do this at the start of each heating and cooling season), and for any necessary repairs to our AC and heating. They are extremely good, very punctual and courteous. I highly recommend them.
Find Heating and air conditioning pros in Oakville
Now offering one hour service for heating and air conditioning service. We are factory authorized to service all major brands and we offer all the top products in the industry. Year to year we win numerous awards for customer service and technical skill. Our team is dedicated to providing you with the attention to detail and customer service that can create a whole new level of comfort and energy savings. Led by owner Brett Nejmanowski, our company provides expert sales, service and installation. We have a team of technicians that are fully qualified to help you select the comfort system that best fits your home and your budget. We serve the greater St Louis area, and are a no-nonsense, everything-on-the -table kind of heating and cooling company. Our written 100% satisfaction guarantee is behind all the work we do – if you’re not happy with our heating and cooling services for any reason, we’ll make it right or give your money back, no questions asked! No matter if it is a furnace or AC repair, furnace and AC installation, heat pump installation, or anything heating and air conditioning-related, you will have our guarantee. Along with the services we provide, we’re also passionate about our duty to protect the environment and our social responsibility to the community. In our daily practices, we utilize earth-friendly products and methods to ensure clean outdoor and safe indoor environments for the people we serve. We regularly give back to the community through volunteer work and financial donations. Among the charitable organizations we support are Safe Kids USA, National Multiple Sclerosis Society, Autism Speaks and the Sheriffs’ Association. Financing options available. Numerous rebate programs available. Government subsidized programs available to qualifying homes. Additional phone number (618) 717-0707 Also servicing clients from both 14248 F Manchester Rd, Ste. 190, Manchester MO, 63011 & 110 West Main St., Ste. A, Belleville IL, 62220!
"Very professional and thorough"
Carla F on May 2025
Now offering one hour service for heating and air conditioning service. We are factory authorized to service all major brands and we offer all the top products in the industry. Year to year we win numerous awards for customer service and technical skill. Our team is dedicated to providing you with the attention to detail and customer service that can create a whole new level of comfort and energy savings. Led by owner Brett Nejmanowski, our company provides expert sales, service and installation. We have a team of technicians that are fully qualified to help you select the comfort system that best fits your home and your budget. We serve the greater St Louis area, and are a no-nonsense, everything-on-the -table kind of heating and cooling company. Our written 100% satisfaction guarantee is behind all the work we do – if you’re not happy with our heating and cooling services for any reason, we’ll make it right or give your money back, no questions asked! No matter if it is a furnace or AC repair, furnace and AC installation, heat pump installation, or anything heating and air conditioning-related, you will have our guarantee. Along with the services we provide, we’re also passionate about our duty to protect the environment and our social responsibility to the community. In our daily practices, we utilize earth-friendly products and methods to ensure clean outdoor and safe indoor environments for the people we serve. We regularly give back to the community through volunteer work and financial donations. Among the charitable organizations we support are Safe Kids USA, National Multiple Sclerosis Society, Autism Speaks and the Sheriffs’ Association. Financing options available. Numerous rebate programs available. Government subsidized programs available to qualifying homes. Additional phone number (618) 717-0707 Also servicing clients from both 14248 F Manchester Rd, Ste. 190, Manchester MO, 63011 & 110 West Main St., Ste. A, Belleville IL, 62220!
We offer quality and affordable HVAC services. All of our work is done with integrity and attention to detail.
"came same day,very professional,found trouble with system others had missed before, had up and running better than ever, with his excellent work and knowledge,has become my go-to guy. and big plus he also does plumbing and electrical along with his heating and air conditioning highly recommend"
Charles F on May 2025
We offer quality and affordable HVAC services. All of our work is done with integrity and attention to detail.
"came same day,very professional,found trouble with system others had missed before, had up and running better than ever, with his excellent work and knowledge,has become my go-to guy. and big plus he also does plumbing and electrical along with his heating and air conditioning highly recommend"
Rhymes Heating & Cooling is a family owned and operated business that has a dedicated group of team members in place to serve our customers air conditioner and heating needs. Give us a chance to meet your needs and you will be glad you did. As always we appreciate the opportunity to earn your business.
"Rhymes was amazing! They were courteous, punctual, hard working, and very knowledgeable. I love how it's a family business right here in St. Louis. They did a wonderful job and I'm so happy we went with them. We will absolutely use Rhymes for everything heating and cooling related from now on."
Jessica G on September 2024
Rhymes Heating & Cooling is a family owned and operated business that has a dedicated group of team members in place to serve our customers air conditioner and heating needs. Give us a chance to meet your needs and you will be glad you did. As always we appreciate the opportunity to earn your business.
"Rhymes was amazing! They were courteous, punctual, hard working, and very knowledgeable. I love how it's a family business right here in St. Louis. They did a wonderful job and I'm so happy we went with them. We will absolutely use Rhymes for everything heating and cooling related from now on."
Fresh Air has been family owned and operated since 1987. Family members Patrick, Tim, Katie and Kevin work together to maintain a culture of excellent service. Fresh Air employs 24 people equally dedicated to constant improvement and a consistent delivery of services. A happy customer is priority #1. Choose Fresh Air and experience the exceptional service you deserve. Fresh Air is a 10-time Super Service Award recipient!! (2009-2021). Additional contact name - Katie Sinn. Additional e-mail - [email protected]
"Great customer service when I called for service. Expert technician that diagnosed the problem and quickly repaired my AC."
Tim R on April 2024
Fresh Air has been family owned and operated since 1987. Family members Patrick, Tim, Katie and Kevin work together to maintain a culture of excellent service. Fresh Air employs 24 people equally dedicated to constant improvement and a consistent delivery of services. A happy customer is priority #1. Choose Fresh Air and experience the exceptional service you deserve. Fresh Air is a 10-time Super Service Award recipient!! (2009-2021). Additional contact name - Katie Sinn. Additional e-mail - [email protected]
"Great customer service when I called for service. Expert technician that diagnosed the problem and quickly repaired my AC."
Anton's has been in business for 43 years and maintains an A+ rating with the BBB. We have the highest Google rating in St. Louis. We offer manufacture rebates, and 0% financing for up to 60 months! We currently employ 72 team members who receive customer service training twice per week. Our service technicians have been professionally trained on our 6 step Anton's service system to ensure our customers receive the same GREAT service at a GREAT price each and every visit!! We provide upfront pricing and don't complete any repairs with out approval. We are the only company in St. Louis to offer lifetime warranty on repairs for our UP plan members!!!! Senior Discount- $10 off a service or $100 off complete new system Emergency Service phone number- 314-499-8400
"Did good work, fixed our loose plumbing quickly"
Griffin M on July 2025
Anton's has been in business for 43 years and maintains an A+ rating with the BBB. We have the highest Google rating in St. Louis. We offer manufacture rebates, and 0% financing for up to 60 months! We currently employ 72 team members who receive customer service training twice per week. Our service technicians have been professionally trained on our 6 step Anton's service system to ensure our customers receive the same GREAT service at a GREAT price each and every visit!! We provide upfront pricing and don't complete any repairs with out approval. We are the only company in St. Louis to offer lifetime warranty on repairs for our UP plan members!!!! Senior Discount- $10 off a service or $100 off complete new system Emergency Service phone number- 314-499-8400
We pride our business on excellent workmanship done by our top notch employees who are the best in the industry. Our prices are hard to beat especially for the quality you will receive every time you choose us. We also specialize in having excellent customer service and do not believe in being pushy at all with our customers. Our reviews will testify to these statements about our business ethics. Our technicians have been specially trained to handle the sophisticated high-efficiency systems currently on the market today. These include all air conditioners, heat pump, furnaces, boilers and tankless water heaters.
"Very impressed on how Prompt and professional these guys are. Highly recommend."
Alejandro M on October 2025
We pride our business on excellent workmanship done by our top notch employees who are the best in the industry. Our prices are hard to beat especially for the quality you will receive every time you choose us. We also specialize in having excellent customer service and do not believe in being pushy at all with our customers. Our reviews will testify to these statements about our business ethics. Our technicians have been specially trained to handle the sophisticated high-efficiency systems currently on the market today. These include all air conditioners, heat pump, furnaces, boilers and tankless water heaters.
"Very impressed on how Prompt and professional these guys are. Highly recommend."
Founded in 1982. Team members that are drug tested and background checked insuring that the people in your home are safe. We specialize in repairing and replacing residential heating and air conditioning systems. "Fixed Right or It's Free" Techs available Sat & Sun call for appointment.
Founded in 1982. Team members that are drug tested and background checked insuring that the people in your home are safe. We specialize in repairing and replacing residential heating and air conditioning systems. "Fixed Right or It's Free" Techs available Sat & Sun call for appointment.
American Airtemp LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.
American Airtemp LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.
The Heating and Air Conditioning Contractors at Hoffmann Brothers have provided the greater St. Louis area with reliable and professional services for more than 40 years. When you are in need of heating, ventilation, and air conditioning (HVAC) contractors for any of your heating or air conditioning repair or replacement service needs, call upon us at (314) 664-3011 or contact our team online.
"Good"
Andrew W on August 2024
The Heating and Air Conditioning Contractors at Hoffmann Brothers have provided the greater St. Louis area with reliable and professional services for more than 40 years. When you are in need of heating, ventilation, and air conditioning (HVAC) contractors for any of your heating or air conditioning repair or replacement service needs, call upon us at (314) 664-3011 or contact our team online.
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"Both the estimator Kevin the two installers who visited my home were very professional and kind. They answered all my questions and provided a very reasonable price for the installation of the attic insulation. I feel I was very informed on the federal rebate that was available for this installation, as well as on the recommendations of quantity of insulation I needed per residential standards and codes. I would recommend Anton and will use them in the future for my HVAC needs!"
Haley D on November 2024
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"Both the estimator Kevin the two installers who visited my home were very professional and kind. They answered all my questions and provided a very reasonable price for the installation of the attic insulation. I feel I was very informed on the federal rebate that was available for this installation, as well as on the recommendations of quantity of insulation I needed per residential standards and codes. I would recommend Anton and will use them in the future for my HVAC needs!"
Haley D on November 2024
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FAQs for heating and air conditioning service projects in Oakville, MO
Knowing how long your existing HVAC units can last is essential to determine if you need a repair or replacement. Typically, most modern air conditioning units can last between 15 to 20 years, and most furnaces can work properly for 15 to 30 years. If your HVAC system is on the older side and you decide to replace one unit, it might make sense to replace both simultaneously to save on costs and future hassle.
While different HVAC contractors might offer higher or lower prices than competitors, the best time to replace your HVAC system is when customer demand is low. The beginning of summer and the beginning of winter bring the most demand for HVAC systems, so if you can, consider replacing your HVAC units in the early spring or fall. Many HVAC companies offer special off-season coupons that help lower the overall cost.
The average cost to hire an HVAC contractor is between $50 and $150 per hour if charging hourly. However, some HVAC contractors will charge a flat fee by the type of service they are performing—for example, an inspection can cost between $150 to $500. Keep in mind that emergency repairs—which are made after business hours or around major holidays—generally cost more than scheduled repairs.
Yes, most states require HVAC technicians to be certified, and for good reason. Hiring an unlicensed HVAC technician could lead to poor quality work, costly future expenses, and potential code violations.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
The average cost of HVAC repairs is around $350. However, that price can be as low as $100 or as high as $2,000 or more, depending on the repair. For example, replacing a capacitor is a relatively inexpensive repair, ranging from $100 to $500. However, a compressor repair is a more expensive repair, ranging from $750 to $2,000.
The Oakville, MO homeowners’ guide to heating and air conditioning services
From average costs to expert advice, get all the answers you need to get your job done.
If your air conditioning unit isn’t functioning properly, you might need an AC recharge. Our guide will detail what a typical AC recharge cost looks like.
Thinking about buying an ionizer? Discover the pros and cons of ionic air purifiers, how they work, and whether one is the right choice for your indoor air quality.