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Best HVAC / Furnace
Repair & AC Repair in
St. Charles

Why These HVAC Professionals?

Our goal is to connect people with the best local experts. We scored St. Charles HVAC Professionals on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

Reviewed Curated Top Picks 25 19 10

Our Selection Criteria:

  • 1. Reputation

    A history of delighted customers and outstanding service.

  • 2. Credibility

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Experience

    Masters of their craft, based on years of practical experience and education.

  • 4. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

AAA Home Services

AAA Home Services has been providing HVAC services to clients in the St. Charles area for more than 50 years. The company handles all types of HVAC servicing and repairs, including furnace and heater installation and repair, air conditioning installation and repair, thermostat installation, and duct cleaning. It also specializes in Nest thermostat products. Other services provided by AAA Home Services include plumbing and electrical systems maintenance and repair, as well as appliance installation.

827 W Terra Ln
O Fallon, MO 63366


Academy Air Heating and Air Conditioning

Located in Maryland Heights, Missouri, Academy Air is an HVAC company that has been serving customers since 1968. As a family company that is committed to being the best in the business Academy Air strives to offer only the highest quality services, stay up to date on the latest industry technology, train and test employees on technical knowledge and customer service, and diagnose HVAC systems thoroughly to find the root of the problem. With an A+ Better Business Bureau rating and hundreds of reviews that speak highly of all the technicians, Academy Air has built up a high-quality reputation for themselves. Customers often comment on their preciseness, professionalism, and friendliness.

Maryland Heights, MO 63043


ACE Heating & Cooling Services

ACE Heating & Cooling Services is a professional air conditioning and heating installation and repair company that has been serving the St. Louis, Missouri community and surrounding communities for over 10 years. The highly-trained, professional technicians at ACE Heating & Cooling Services are NATE certified and specialize in air conditioning installation and repair, HVAC zoning systems, furnace installation and repair, and thermostat installation. ACE Heating & Cooling Services can service any brand of HVAC equipment, and offers yearly maintenance plans as well as flexible financing options. Discounts and coupons are available direct online, and customers describe ACE Heating & Cooling Services as professional, knowledgeable, and affordable.

Florissant, MO 63031


Air Comfort Service, Inc

Air Comfort Service, Inc. in is an award-winning, full-service HVAC company in Missouri, providing 24/7 emergency services since 1969. Specializing in same-day and next-day services, they aim to deliver excellent service to both residential and commercial clients. Air Comfort Service, Inc. offers a wide range of expert cooling and heating services, which includes air conditioning and heating repairs, maintenance and installation services, among others. They also specialize in home automation, air quality, and financing services. Air Comfort Service, Inc. takes pride in having trustworthy HVAC contractors on staff who aim to provide customer satisfaction, technical expertise, and sound business management.

St Louis, MO 63042


CK Heating & Cooling LLC

CK Heating and Cooling is an HVAC service provider located in St. Louis, MO, and serving the surrounding counties, including Saint Charles, Metro East, Franklin, St. Louis, and Jefferson. The company’s technicians have experience working on many different types of systems and brands of equipment. The business offers a variety of services, including repair and maintenance of air conditioners, gas furnaces, heat pumps, IAQ, pool water heaters, tank water heaters, and tankless water heaters. The business also offers installation of tank heaters, tankless water heaters, and pool heaters. Consumer financing is available and offers fixed interest rates, no prepayment penalty, and multiple free options for submitting monthly payments.

St. Louis, MO 63114


No Problem Heating & Cooling, LLC

No Problem Heating & Cooling, LLC is a St. Charles business that serves commercial, hospitality, and residential customers. Areas the business serves include Brentwood, Jennings, Kirkwood, Overland, Berkeley, Florissant, Earth City, Manchester, Town and Country, Webster Groves, Oakville, Moscow Mills, Augusta, Ballwin, Wentzville, Ferguson, Bridgeton, Chesterfield, Bellefontaine Neighbors, Rock Hill, Ladue, Maryland Heights, Spanish Lake, and other areas. Services include air conditioning installation, air conditioning repair, air conditioning sales, furnace installation, furnace repair, furnace sales, heat pump installation and repair, HVAC services, HVAC duct work, and energy efficiency services. No Problem Heating & Cooling, LLC is licensed, bonded, and insured. The business has a 100% Satisfaction Guarantee. No Problem Heating & Cooling, LLC won the Best of St. Charles award in the HVAC Contractor Services category in 2017.

St. Charles, MO 63304


Pallardy Heating & Air Conditioning Co.

Serving the St. Charles, Missouri, and surrounding areas since 1987, Pallardy Heating & Air Conditioning Co. is a team of licensed contractors and specialists in the heating and air conditioning fields. It is owned by Richard Pallardy, a graduate of the North County Technical School with studies in the HVAC field. Services include but are not limited to upgrades, replacements, air quality checks, preventative maintenance, extended warranties, air duct cleaning, and sheet metal fabrication. Pallardy Heating & Air Conditioning Co. holds full accreditation from North American Technician Excellence, a third party organization that provides rigorous testing to ensure expertise in installation and services. Other memberships include the Missouri Coalition for Fair Competition and the Tri-County Trade Association.

St. Charles, MO 63303


Sewell Heating & Cooling Inc

Sewell Heating & Cooling, Inc. is a St. Louis, MO-based HVAC service provider, and the company is proud to serve the surrounding communities, including Ballwin, Bridgeton, Chesterfield, Earth City, Fenton, Hazelwood, Lake Saint Louis, Maryland Heights, O'Fallon, Saint Ann, Saint Charles, and Valley Park. Sewell offers a full menu of HVAC services, including HVAC unit repair and service, new system installation, regular maintenance agreements, and sales. The company offers financing through FTL and guarantees its services. It's a guarantee customers can trust because Sewell Heating & Cooling, Inc. is member of the Better Business Bureau. The company aims to make all of its solutions energy-efficient.

St. Louis, MO 63114


Swiss Air Heating & Cooling

Swiss Air Heating & Cooling was founded in 1989 and provides professional HVAC services to the greater St. Louis, Missouri area. They have an A+ rating with the Better Business Bureau and they're a top rated business on HomeAdvisor. Their services include air conditioning and heater sales, installation, service, and repair, heat pump maintenance, and zoning. Their bi-annual maintenance plans keep systems running at peak efficiency and come with discounts on parts and diagnostics as well as priority service. Their experts can also install indoor air quality systems such as humidifiers, air purifiers, and electronic air cleaners to decrease allergens.

O'Fallon, MO 63366


Vayden Mechanical

Vayden Mechanical is an HVAC contractor company that provides services to clients all over the states of Missouri and Illinois. They can provide services to clients in St. Louis, specifically. The company specializes in providing work for residential, commercial, and industrial clients. Vayden Mechanical can provide free estimates for their clients. Some of the specific services they offer include full-service of HVAC/R systems, piping work, air quality control, and much more. They can also provide work on reg refrigerators, freezers, and boilers. They strive to provide high-quality services to all of their clients as well as services that can be relied on.

Florissant, MO 63032


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