10 Best HVAC Companies in Maryville, IL

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Last Updated: February 25, 2025

According to the Department of Energy, approximately 55% of energy use in American homes goes toward heating and cooling. Since cooling and heating represent such a significant chunk of your utility bills, you'll want to ensure that the HVAC system in your Maryville home is functioning optimally.

We've compiled this guide to the top HVAC companies in Maryville to help you choose the best person for your job and get your system into top shape.

Top 10 Best HVAC Companies in Maryville

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SmartHouse Heating and Cooling

SmartHouse Heating and Cooling Logo

Our Rating

User Rating

6921 Olive Blvd, St. Louis, MO 63130 (314) 451-5391 callsmarthouse.com

Informative resources

Reliable customer support

Prompt service delivery

Clear pricing policy

Free quotes

Services Offered

Ac repair
Radiant heating
Boiler installation
Furnace installation
Filtration
Ductless
Inspection
Indoor air quality
Furnace repair
Smart home integration
Emergency services
Maintenance
Ac installation

B & W Heating & Cooling

B & W Heating & Cooling Logo

Our Rating

User Rating

398 E Edwardsville Rd, Wood River, IL 62095 (618) 936-0361 bwheatcool.com

Informative resources

Reliable customer support

Prompt service delivery

Free quotes

Clear pricing policy

Services Offered

Duct cleaning
Ductless
Maintenance
Boiler installation
Zoning systems
Ac installation
Filtration
Ventilation
Boiler repair
Indoor air quality
Emergency services
Ac repair
Furnace installation

Academy Air Heating, Cooling, Plumbing and Electric

Academy Air Heating, Cooling, Plumbing and Electric Logo

Our Rating

User Rating

924 Jeffco Executive Dr, Imperial, MO 63052 (314) 370-6074 academyair.com

Informative resources

Reliable customer support

Services Offered

Furnace repair
Ac installation
Furnace installation
Ductless
Indoor air quality
Maintenance
Ac repair
Emergency services
Duct cleaning
Boiler repair
Boiler installation
Filtration

Polar Aire Plumbing, Heating & Air Conditioning

Polar Aire Plumbing, Heating & Air Conditioning Logo

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User Rating

2227 Vandalia St, Collinsville, IL 62234 (618) 772-7007 callpolaraire.com

Reliable customer support

Informative resources

Free quotes

Prompt service delivery

Clear pricing policy

Services Offered

Boiler installation
Ac installation
Indoor air quality
Ac repair
Ductless
Inspection
Boiler repair
Furnace repair
Emergency services
Furnace installation
Maintenance

Vitt Heating & Cooling

Vitt Heating & Cooling Logo

Our Rating

User Rating

4719 Morgan Ford Rd, St. Louis, MO 63116 (314) 347-3389 vittheating.com

Prompt service delivery

Free quotes

Informative resources

Services Offered

Furnace repair
Boiler repair
Indoor air quality
Ac repair
Ac installation
Duct cleaning
Boiler installation
Maintenance
Ductless
Inspection
Filtration
Furnace installation

B & B Heating & Cooling

B & B Heating & Cooling Logo

Our Rating

User Rating

1955 Washington St, Florissant, MO 63033 (314) 838-9800 bbheatingcooling.com

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

Ac repair
Ductless
Ac installation
Furnace installation
Inspection
Boiler installation
Emergency services
Maintenance
Zoning systems
Ventilation
Indoor air quality
Filtration
Furnace repair

Averill Heating & Air Conditioning

Averill Heating & Air Conditioning Logo

Our Rating

User Rating

10645 Liberty Ave, St. Louis, MO 63132 (314) 427-3825 averillheatcool.com

Free quotes

Reliable customer support

Informative resources

Clear pricing policy

Services Offered

Ductless
Boiler repair
Maintenance
Boiler installation
Indoor air quality
Ac repair
Inspection
Ac installation
Furnace repair
Emergency services
Furnace installation

All Air Systems Heating & Cooling

All Air Systems Heating & Cooling Logo

Our Rating

User Rating

111 Prospect Ave # 103, Kirkwood, MO 63122 (314) 966-5600 callallair.com

Free quotes

Informative resources

Clear pricing policy

Reliable customer support

Services Offered

Indoor air quality
Boiler repair
Furnace repair
Ac installation
Furnace installation
Emergency services
Maintenance
Inspection
Ductless
Boiler installation
Ac repair

Vogel Heating & Cooling

Vogel Heating & Cooling Logo

Our Rating

User Rating

1642 Manufacturers Dr, Fenton, MO 63026 (314) 408-6068 vogelheating.com

Informative resources

Reliable customer support

Free quotes

Services Offered

Ac repair
Emergency services
Furnace installation
Ac installation
Furnace repair
Ductless
Boiler installation
Duct cleaning
Filtration
Indoor air quality
Boiler repair
Maintenance
Zoning systems

Faszold Heating and Cooling

Faszold Heating and Cooling Logo

Our Rating

User Rating

1613 E Terra Ln, O'Fallon, MO 63366 (636) 735-7842 faszold.com

Informative resources

Reliable customer support

Free quotes

Clear pricing policy

Services Offered

Boiler installation
Emergency services
Ductless
Ac installation
Indoor air quality
Furnace repair
Filtration
Ventilation
Furnace installation
Ac repair
Maintenance
Inspection
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

An HVAC system that's malfunctioning or outdated likely needs professional attention for repairs or replacement. Watch for these signs that your system needs service:

  • Strange noises when the system turns on
  • Frequent breakdowns and need for repairs
  • Thermostat malfunctions or temperature control issues
  • Cracking, corrosion, or rust
  • Higher than normal energy bills
  • Uneven heating/cooling or poor air circulation
  • Refrigerant leaks
  • An HVAC system that's over 15 years old

If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can diagnose problems and let you know whether repair or full HVAC replacement is the better solution.

Cost of HVAC Installation and Maintenance in Maryville

What you pay for HVAC installation or maintenance depends on your system type. Common HVAC unit styles include the following:

  • Split or mini-split: If your home doesn’t have the ductwork for central air or heating, you likely have a split or mini-split system instead. Split HVAC systems have interior units in each room to control temperature. These connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system functions much like a standard split system, but has the capacity to draw on either electricity or gas for power.
  • Heat pump: Heat pumps transfer hot and cool air between your home and the outdoors. They don't generate their own heat or AC, so they perform best in moderate climates.
  • Packaged heating and air: Packaged HVAC systems are a good choice for smaller houses. These systems have a single combined AC and heating, normally located in an attic or basement. They're space-saving, cost-effective, and easy to maintain.

The amount you spend on HVAC maintenance also varies depending on the kind of work being done. HVAC systems are complicated and might require different kinds of maintenance. The prices of some common jobs are as follows:

HVAC Unit TypeCost
Split$1,881-$4,796
Hybrid Split$3,812-$7,023
Heat Pump$2,951-$30,074
Packaged Heating and Air$247-$412

Ways to Save Money on HVAC Costs

Fixing your HVAC by repairing or replacing parts when needed is important, but can be expensive. Thankfully, there are steps you can take to minimize wear and tear over time on your system.

  • Keep your system clean. Keeping your condenser fan blades, indoor evaporator coil, ductwork, and grills clean helps your HVAC system function properly and lowers your risk of mold. The National Air Duct Cleaners Association recommends cleaning your home's HVAC when you notice things starting to get dirty.
  • Change filters regularly. Changing your air filters or washing them every 30–90 days allows smooth air circulation through your system. Also try to keep debris from accumulating on the outside components of your HVAC.
  • Change the position of your blinds seasonally. Opening your blinds in winter allows passive solar heat into your house. Closing your blinds in summer blocks some heat from getting indoors. Both of these measures help lower the work required from your home’s HVAC system.
  • Monitor for potential problems. Keeping an eye out for problems, for instance by consistently checking your thermostat and energy bills, allows you to resolve them before they get too expensive.
ServiceCost
Filter Replacement$62-$165
Condensor Cleaning$1,235-$3,705
Thermostat Repair$82-$206
Ductwork Cleaning$395-$988

How To Choose a Local HVAC Company

Knowing what to look for in an HVAC company is important for a successful project. Look for an experienced, licensed contractor that can offer you peace of mind and make sure your system provides reliable air conditioning and heating for your home.

Compare Multiple Bids

Request estimates from three or more HVAC contractors. Explain your issues and ask if technicians can inspect your system in person. Compare each company's diagnoses, recommended solutions, estimated cost, warranties, and timeline. Avoid companies that pressure you or demand payment before work.

Check Credentials

It's important to choose an HVAC company that employs technicians with the appropriate qualifications and expertise. HVAC contractors in all states have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, individuals must pass an exam (the type of exam depends on the kind of equipment they plan to work with). Section 608 certification is required for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." All other licensing requirements are handled at the state level.

Illinois doesn't have state-level contractor licensing requirements. However, there may be local regulations, so make sure to check with your municipal government to verify that your contractor meets all of the requirements. You can also verify an Illinois business license on the Secretary of State's website. You should also check a company's reviews and complaints on sites such as the Better Business Bureau (BBB), Yelp, and Google Reviews. Pick a company with great feedback and good customer testimonials.

Understand Work Details

Make sure you know the details of any project before it begins. If HVAC repairs are required, have your provider detail which parts require replacement and why. Confirm that your technician will clean and test the entire system after the repair to verify that everything works. When replacing your HVAC system, ask the contractor to describe the new estimated installation time, brand, energy efficiency, model, and features. Before work starts, ask how your provider plans to accurately size the unit for your home and how much it will cost.

Compare Warranties

Reliable HVAC companies provide warranties for their services. The broader the coverage, the better, so make sure to compare warranties between providers. Choose the one that offers the best coverage at a fair cost.

Get Quote in Writing

Always get HVAC bids in writing before work begins. A comprehensive quote will cover costs for both labor and materials. Ensure that you agree to all terms before signing the contract.

Frequently Asked Questions About HVAC in Maryville, IL

Normally, your HVAC system should be inspected twice a year. After an inspection, your technician will tell you what, if any, services are required. You should also have an inspection if you notice any new issues, such as unusual smells, leaks, or strange noises. If you have ductwork in your home, it should be serviced every few years.

The best times to have your HVAC system inspected are the spring and fall. Technicians tend to be less busy during these times, so it will be easier to get an appointment. This also ensures that your system is ready for the summer and winter, which is when it normally sees the most use.

You can save energy throughout the year by making it easier for your HVAC system to maintain the temperature of your home. During all seasons, keep your thermostat as close to the outside temperature as is comfortable, and avoid making drastic changes — adjust it only a few degrees at once. You could also consider getting a smart thermostat.

Generally, whole-system HVAC installation or replacement takes between one and three days. Installing or replacing a furnace or air conditioning unit may take anywhere from a few hours up to two days. The exact amount of time will vary depending on things like the size of your home, how easily accessible different parts of the system are, and whether your technician runs into any problems.

Usually, HVAC financing is through a third-party lender. If your HVAC company doesn't offer these options, you could consider taking out a loan on your own. Be sure to talk to your HVAC company and a financial advisor to determine what options are available and appropriate for your situation.

There are several ways you can make your HVAC system more energy-efficient:

  • Keep ductwork clean, and change or clean your air filters on a regular basis.
  • Schedule regular inspections to take care of issues as they arise.
  • Keep your attic well-ventilated and make sure all doors and windows are well-sealed.
  • Install a smart thermostat. If you aren't able to purchase one, try keeping your inside temperature as close to the outside temperature as you can.
  • When it comes time to replace any part of your HVAC system, explore Energy Star-certified or similar environmentally friendly options.

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