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5 Best Furnace Repair Services St. Louis, MO

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Written By Callie Marsalisi|Last Updated: February 05, 2024

Having a reliable local furnace repair service is essential. Whether you need regular maintenance or help for a heating emergency, these experts help keep your heating and cooling systems running smoothly. Our comprehensive guide to the top heating, ventilation, and air conditioning (HVAC) services in St. Louis, Missouri will help you diagnose common issues and get the assistance you need. If you learn that you need to replace your entire system, we also have our picks for top furnace brands.

5 Best Furnace Repair Companies in St. Louis

Vitt Heating & Cooling Logo

Vitt Heating & Cooling

Based on 1,205 customer reviews.

Services Offered

Boiler RepairMaintenanceBoiler InstallationDuctlessAc RepairInspectionFurnace InstallationFurnace RepairAc InstallationFiltrationIndoor Air QualityDuct Cleaning


  • Free quote
  • Prompt service delivery
  • Clear pricing policy
4719 Morgan Ford Rd, St. Louis, MO 314-347-3389 vittheating.com
Energy Stars Heating & Cooling Co Logo

Energy Stars Heating & Cooling Co

Based on 860 customer reviews.

Services Offered

Boiler InstallationMaintenanceFurnace InstallationIndoor Air QualityDuct CleaningAc RepairAc InstallationFurnace Repair


  • Clear pricing policy
  • Informative resources
  • Free quote
1350 Grand Ave, Madison, IL 618-477-8337 estarshvac.com
Design Aire Heating & Cooling Logo

Design Aire Heating & Cooling

Based on 300 customer reviews.

Services Offered

Furnace InstallationFurnace RepairBoiler InstallationDuctlessAc InstallationMaintenanceEmergency ServicesBoiler RepairAc Repair


  • Clear pricing policy
  • Informative resources
  • Reliable customer support
5804 Hampton Ave, St. Louis, MO 314-739-1600 designaire.net
Hoffmann Brothers Logo

Hoffmann Brothers

Based on 9,656 customer reviews.

Services Offered

FiltrationIndoor Air QualityFurnace RepairDuctlessInspectionFurnace InstallationDuct CleaningBoiler InstallationAc InstallationMaintenanceAc Repair


  • Clear pricing policy
  • Reliable customer support
  • Informative resources
1025 Hanley Industrial Ct, Brentwood, MO 314-347-1403 hoffmannbros.com

More Local Hvac Companies

Rhymes Heating & Cooling

User Reviews: 5/5 

10958 Lin Valle Dr
St. Louis, MO 63123

Indoor Comfort Team

User Reviews: 4.8/5 

2613 Telegraph Rd
St. Louis, MO 63125

Counts Heating & Cooling LLC

User Reviews: 4.7/5 

1947 Cleveland Blvd
Granite City, IL 62040

SmartHouse Heating and Cooling

User Reviews: 4.7/5 

6921 Olive Blvd
St. Louis, MO 63130

J.Roberts Heating and Cooling

User Reviews: 4.7/5 

232 S 5th St
Dupo, IL 62239

Climate Masters Heating and Cooling

User Reviews: 4.7/5 

8027 Big Bend Blvd
Webster Groves, MO 63119

Air Dynamics STL, LLC

User Reviews: 4.7/5 

9701 Gravois Rd Ste 3
St. Louis, MO 63123

Tomlin Heating and Air

User Reviews: 4.7/5 

10749 Landseer Dr
St. Louis, MO 63136

Unique Heating and Cooling

User Reviews: 4.6/5 

2015 Big Bend Blvd
St. Louis, MO 63117

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

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Facts about St. Louis
Average Min Temp Percentile:69.1%
January Average Min Temp:22.5°F
Climate Zone:Mixed-Humid
Average Energy Cost:$0.1/kWh
Median Year Houses Built:1963
Average Annual Snowfall:12.8"

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Services Offered by Furnace Repair Companies

Furnace repair providers offer various to help your furnace work at maximum efficiency. We review common services below.

Repair and Maintenance

A timely repair restores the furnace's function, extends its life span, and optimizes energy efficiency. Furnace repair providers can diagnose and repair most common furnace issues. These include malfunctioning thermostats, clogged air filters, or broken blower motors. Qualified HVAC technicians can also handle problems such as possible gas leaks, damaged heat exchangers, faulty ignitions, and malfunctioning thermostats. Furnace repair professionals can also handle routine HVAC maintenance to avoid unnecessary breakdowns. This may involve inspecting and cleaning your furnace, lubricating moving parts, replacing air filters, and generally ensuring all components function optimally.


HVAC companies can also help you install a new furnace. You may want a new system if yours is at the end of its life or if you're looking for a more energy-efficient option like a heat pump. Your technician will first assess your heating needs and home’s layout before recommending the best furnace model for your requirements and budget. Professional HVAC technicians practice industry standards and safety protocols for proper furnace replacement and connection. They can integrate your new system with your existing thermostat and air ducts. They'll complete a final inspection after installation to ensure your furnace runs optimally.


If your furnace isn’t turning on, you want to schedule a thorough inspection through a furnace repair provider. A technician will examine each of the furnace's components to identify potential causes. Inspections usually include examining the heat exchanger for cracks or damage, cleaning and replacing air filters, testing the thermostat's accuracy, checking for any gas or fuel leaks, and inspecting the burner and ignition system. Your technician will verify the heating system's efficiency and safety while making the necessary repairs or adjustments. Routine, annual furnace tune-ups encourage optimal performance, help avoid possible breakdowns, and promote a safe living environment during cold winters.

Emergency Services

Some furnace repair providers offer emergency services, which are available 24/7 for unexpected malfunctions, breakdowns, or other safety concerns. If your furnace breaks down during the colder months, emergency services can have it up and running again as soon as possible. Emergency services are more expensive than a scheduled service, but it's worth it to protect your health. Furnace failure can cause discomfort and serious health risks due to reduced indoor air quality, especially if the breakdown happens during extreme weather conditions when you're unable to open windows for fresh air.

Factors To Consider When Choosing a Local St. Louis Furnace Repair Service

There are multiple factors to consider when choosing a local St. Louis furnace repair service. We review some key considerations below.

  • Cost: Compare prices among several St. Louis furnace repair companies. Look for transparent and competitive pricing, considering the scope of services offered. Stay away from extremely low-cost options, which may compromise workmanship quality or involve subpar replacement parts.
  • Guarantees: Reliable furnace repair providers should offer warranties or guarantees on their workmanship and parts. Providers that back their work this way offer you peace of mind if something goes wrong post-repair.
  • Licensing: Verify that the furnace repair servicer holds the licenses and certifications required by local and state authorities. Proper licensing ensures the technicians are qualified and trained to handle furnace repairs safely and effectively. In Missouri, your HVAC contractor must obtain certification from your local city or municipal government.
  • Qualifications: You can inquire about a company's training policies as well as the experience of its technicians. Companies that provide ongoing training tend to have technicians that use the latest repair techniques. Look for a company that employs well-trained technicians with experience working with various furnace makes and models.
  • Reputation and reviews: You can learn about a company's reputation by checking online reviews and testimonials. A strong positive reputation is a likely indicator of high-quality services. Look at how a company addresses negative feedback or complaints, as this reflects its commitment to customer satisfaction.

How Much Does a Furnace Repair Cost?

A number of factors influence the cost of furnace repair. These include the extent of the damage, the type of HVAC unit, and price of replacement parts. On average, furnace repair costs $464, though prices vary depending on your situation. The following are some common furnace repairs, as well as their average costs.

  • Broken thermostat: $84–$418
  • Cleaning: $50–$67
  • Cracked heat exchanger: $1,672–$2,927
  • Damaged blower bearings: $25–$125
  • Damaged blower belt: $25–$92
  • Filter change: $33–$125

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Frequently Asked Questions About Furnace Repair in St. Louis

How often should I have my furnace serviced?

We recommend homeowners service their furnace at least once annually to ensure it runs safely and efficiently. Additionally, one simple maintenance step you can take is to change the furnace filter every year.

Will a home warranty cover a furnace?

Home warranties usually cover furnaces, but the specifics of your plan will vary depending on the company. Check out our guide to best home warranties for furnace coverage to learn more.

How can I tell whether my furnace needs repairs?

Indicators that your furnace might need repairs include a yellow pilot light, uneven heating, strange noises, or increased energy bills. A professional furnace inspection can help you determine whether you need a full furnace replacement.

What should I do if my furnace breaks down in the middle of winter?

You may need emergency repair services if your furnace malfunctions in the middle of winter. Many HVAC repair companies offer around-the-clock emergency services to get your furnace back up and running.

How can I prevent the need for furnace repairs?

Regular furnace maintenance, like cleaning and replacing air filters, helps prevent the need for repairs. Annual HVAC servicing is also critical for catching potential problems before they escalate.

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