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5 Best AC Repair Services in St. Louis, MO

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Written By Max Peterson|Last Updated: April 18, 2024

St. Louis homeowners are well-acquainted with the area's strong summertime heat and humid, sticky air making a top-notch air conditioner (AC) key for your comfort and safety in the summer months. If you are in need of AC repairs in St. Louis, look no further than the following companies. These top-rated St. Louis contractors can help you with AC repair or replacement, keeping the job simple, quick, and economical.

Top AC Repair Companies in St. Louis, MO

Vitt Heating & Cooling Logo

Vitt Heating & Cooling

5/5
Based on 1,205 customer reviews.

Services Offered

Furnace RepairFurnace InstallationBoiler InstallationDuctlessAc InstallationFiltrationInspectionAc RepairIndoor Air QualityMaintenanceBoiler RepairDuct Cleaning

Highlights

  • Informative resources
  • Prompt service delivery
  • Reliable customer support
4719 Morgan Ford Rd, St. Louis, MO 314-347-3389 vittheating.com
Energy Stars Heating & Cooling Co Logo

Energy Stars Heating & Cooling Co

5/5
Based on 860 customer reviews.

Services Offered

Ac InstallationFurnace InstallationMaintenanceAc RepairFurnace RepairIndoor Air QualityDuct CleaningBoiler Installation

Highlights

  • Clear pricing policy
  • Reliable customer support
  • Informative resources
1350 Grand Ave, Madison, IL 618-477-8337 estarshvac.com
Seliga Heating and Cooling Logo

Seliga Heating and Cooling

5/5
Based on 1,308 customer reviews.

Services Offered

Furnace InstallationAc RepairIndoor Air QualityAc Installation

Highlights

  • Free quote
  • Clear pricing policy
  • Reliable customer support
6211 Gravois Ave, St. Louis, MO 314-481-7333 seligaheatingandcooling.com
Design Aire Heating & Cooling Logo

Design Aire Heating & Cooling

5/5
Based on 300 customer reviews.

Services Offered

Ac InstallationFurnace RepairDuctlessBoiler InstallationMaintenanceBoiler RepairEmergency ServicesAc RepairFurnace Installation

Highlights

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

More Local Hvac Companies

Hoffmann Brothers

User Reviews: 5/5 

1025 Hanley Industrial Ct
Brentwood, MO 63144

Indoor Comfort Team

User Reviews: 4.8/5 

2613 Telegraph Rd
St. Louis, MO 63125

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

Meyer Heating and Air

User Reviews: 5/5 

11134 Lindbergh Business Ct Suite D
St. Louis, MO 63123

Unique Heating and Cooling

User Reviews: 4.6/5 

2015 Big Bend Blvd
St. Louis, MO 63117

Weis Comfort Systems

User Reviews: 4.6/5 

9900 Gravois Rd Unit 2
St. Louis, MO 63123

Harster Heating & Air Conditioning

User Reviews: 4.6/5 

9900 Gravois Rd
St. Louis, MO 63123

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 Max Temp Percentile:70.8%
August Average Max Temp:88.9°F
Climate Zone:Mixed-Humid
Average Energy Cost:$0.1/kWh
Median Year Houses Built:1963
Average Heat Waves per Year:8.73

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Common Types of Air Conditioners

HVAC technicians have the expertise to service most air conditioner varieties, but knowing more about what you have can be beneficial. Below, we'll describe each of the common AC models.

  • Split ACs: Split ACs have two main elements: one inside and one outside. They provide quiet operation, improved energy efficiency, ductwork options, and more cooling capability versus mini-splits.
  • Ductless mini-split: Ductless mini-splits have an outdoor unit and one or more indoor units, with no ductwork required. They offer flexible installation options, higher energy efficiency, and individual room temperature control.
  • Central AC: These are the most common home air conditioners, offering precise, consistent temperature control. They feature a central unit that cools and purifies outside air and sends it through ducts to different rooms in your home.
  • Window-mounted ACs: Window air conditioners are a popular choice for St. Louis condos, townhomes, and apartments. These budget-friendly, convenient units are designed for cooling single rooms and small spaces, and they fit snugly in a window frame or dedicated wall slot. Many window-mounted AC users deploy their units without professional assistance, though technicians can still help with maintenance and repairs.
  • Portable air conditioners: As the name implies, portable ACs don't require permanent installation or ductwork. Instead, they remove hot air through an exhaust hose connected to a window or nearby vent. They're a common choice for condos, apartments, or individual rooms.

How to Choose Your St. Louis AC Repair Service

You likely want a quick solution for your air conditioner's problem. However, before hiring a repair company, it's important to carefully investigate how well it fits your home's needs. Here are a few essential steps to follow.

Confirm the Company Is Properly Licensed and Insured

While Missouri licenses some contractors at the state level, it does not for HVAC companies. Local governments can set their own requirements, and we recommend contacting your town hall or county building department for more information.

Many states and cities also require companies to carry liability insurance. Even if your community doesn't require it, we still recommend choosing an insured company. This will protect you if an accident happens or something gets damaged.

Read Customer Reviews

Check customer reviews on the Better Business Bureau (BBB) website for each company you're interested in. The BBB recognizes contractors that respond to complaints effectively and honor their warranties.

It's normal for even the best AC repair businesses to have both positive and negative reviews. Read each one carefully, and avoid a business if most reviewers had subpar experiences.

Compare Estimates

Obtain at least three detailed, written estimates from different providers for the best value. A good estimate should include additional fees such as permitting costs. You should also ask about manufacturer warranties, the emergency repair process, and installer guarantees.

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Frequently Asked Questions About AC Repair in St. Louis

What's the cost of an AC repair job in St. Louis?

Your AC repair costs will hinge on the type of unit you have and the malfunctioning part. A basic repair job like sorting out a thermostat might cost $150–$250, whereas a more intricate fix like swapping out the compressor will be more expensive.

See the average costs for common AC repairs below.

Common RepairAverage Cost
Clogged air filter$65–$173
Electrical circuits$200–$250
Drainage problems$100–$150
Thermostat$86–$216
Refrigerant leak$400–$1500
Frozen condenser coils$1,295–$3,886
Fan or air blower issues$150–$200
Compressor replacement$600–$1,641

What do I do if my AC is running but not cooling?

If your AC is running but not cooling, a blocked condenser coil could be the culprit. Normally, the AC’s condenser fan draws air into the outdoor unit through the condenser coil to remove heat energy from your home. A technician can help by clearing the clog or replacing a damaged coil.

Why should I hire an HVAC professional? Couldn't I repair my air conditioner myself?

You can most likely install a window AC unit on your own. However, installing other air conditioners should almost always be done by an HVAC contractor who knows the intricate piping, wiring and tubing. We also advise seeking professional installation due to the potential hazard of refrigerant spills.

What industry certifications should I look for when researching St. Louis AC repair companies?

Private accreditations might not be required, but businesses that seek them are typically more trustworthy. The two largest HVAC trade bodies that issue certifications are the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) and Air Conditioning Contractors of America (ACCA).

My HVAC problem is urgent. How quickly could a company respond?

Some repair companies offer same-day or next-day service for emergency air conditioner breakdowns. However, the specific timeframe will vary depending on the team's schedule, the terms in your contract, and the severity of the issue. For the most accurate info, we recommend contacting the company directly and explaining the situation.

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

Sources

FEMA