Professionals in
St. Louis

Why These HVAC Professionals?

Our goal is to connect people with the best local experts. We scored hvac professionals on more than 25 variables across five categories, and analysed the results to give you a hand-picked list of the best hvac professionals in St. Louis, MO.

ReviewedCuratedTop Picks1006820

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.

Agers Heating & Air Conditioning

All staff members at Agers Heating & Air Conditioning, a St. Louis area HVAC business, are certified and participate in continuing education. Technicians assist customers in making informed decisions about replacing and maintaining heating, cooling, and indoor air quality systems. Service agreements are available for homes and businesses, and crews work with all HVAC brands. Agers Heating & Air Conditioning, founded in 2004, has an in-house sheet metal shop.

Chesterfield, MO(636) 681-1976


Averill Heating & Air Conditioning

The second-generation owner-operator of Averill Heating & Air Conditioning in St. Louis runs the HVAC business begun by his father in 1973. High-efficiency specialists install, service, and repair all forms of HVAC equipment, including furnaces, boilers, air conditioners, heat pumps, mini-splits, air cleaners, and humidifiers. The company is NATE certified and a member of ACCA. Service for residential and light commercial customers is available seven days a week.

St. Louis, MO(314) 429-4328


Awtrey Heating & Air Conditioning

Awtrey Heating & Air Conditioning technicians install and repair all HVAC makes, models, and systems in St. Louis and surrounding communities. The staff serves residential and light commercial customers, providing a variety of products and services including ductless systems, zoning, UV lamps, and preventive maintenance agreements. The owner of Awtrey Heating & Air Conditioning is on the board of directors for ACCA St. Louis and technicians are ATI trained and EPA certified.

Imperial, MO(636) 464-4822


B&W Heating and Cooling

B&W Heating and Cooling provides one-time repair, regular maintenance, and new installation of HVAC systems in Greater St. Louis Metro East. NATE certified technicians are available 24 hours for emergency service. Equipment and services include air cleaners, UV treatment, zoning systems, gas and oil furnaces, duct cleaning, and heat pumps. B&W Heating and Cooling opened in 1949 and is led by a second-generation family member.

Wood River, IL(618) 254-0645


Busch Heating & Cooling, Inc.

Busch Heating & Cooling, Inc. is a family business in Arnold, serving St. Louis area HVAC needs since 1989. Certified technicians provide general air conditioning and furnace sales, repair, maintenance, and installation, with emergency service available. Additional residential and light commercial services include maintenance agreements and clean and safety checks. Busch Heating & Cooling is a member of ACCA and an American Standard dealer.

Arnold, MO(636) 464-2600


Chesterfield Service

Chesterfield Service specializes in supplying and servicing residential, energy efficient HVAC systems in throughout St. Louis and St. Charles Counties. Staff technicians are NATE certified, licensed, bonded, and insured, able to repair most heating, cooling, and ventilation brands. Services and systems include 24/7 emergency response, geothermal products, furnace cleaning, and maintenance plans. Chesterfield Services has been a family-owned and operated business for more than 40 years.

Chesterfield, MO(314) 499-0306


Courtney’s Heating and Cooling

Courtney’s Heating and Cooling provides repair, maintenance, and installation services to all of St. Louis, Missouri and the surrounding areas. Founded over 30 years ago by Phil Courtney, the company employs highly skilled technicians who are specialists in all phases of air conditioning and heating. Customers can find a wide variety of heating, cooling, and water heater services that are offered 24 hours a day and 365 days out of the year. The technicians stay up-to-date on all the advanced service techniques and attend ongoing training seminars. As one of the largest and most experienced contractors in St. Louis Courtney’s Heating and Cooling has built a reputation for their reliable, durable, and safe work.

St. Louis, MO(314) 481-9500


Crestside Ballwin Heating & Cooling

Factory trained HVAC technicians with Crestside Ballwin Heating & Cooling in St. Louis have been serving St. Louis area customers since 1973. Licensed and insured crews diagnose, adjust, and repair mini-split and zoning systems, air conditioners, furnaces, boilers, rooftop units, water heaters, and air cleaners. Additional services include duct cleaning, sheet metal fabrication, maintenance agreements, and financing.

St. Louis, MO(314) 351-8300


Galmiche & Sons

Family owned and operated since 1950, Galmiche & Sons is a St. Louis HVAC business with a team of factory trained, EPA certified technicians. Crews provide heating, cooling, and ventilation services such as replacement, installation with retrofitting, repair, and safety code compliance. Galmiche & Sons is a member of the Home Builders Association, St. Louis Apartment Association, BBB, and local sheet metal and operating engineers unions. Emergency HVAC service is available.

St. Louis, MO(314) 993-1110


Green Home Solutions

Green Home Solutions is a St. Louis Metro East HVAC company that specializes in efficiency, to save energy and money. A team of contractors is available to conduct energy audits, indoor air quality evaluations, and heating and cooling maintenance. Additional services include remodeling, mold abatement, duct repair and sealing, and furnace repair. The staff emphasizes scheduled HVAC maintenance. Technicians are EPA and BPI certified.

Collinsville, IL(618) 343-0033


Guaranteed Comfort and Energy

Factory trained, EPA certified HVAC technicians represent Guaranteed Comfort and Energy in the Greater St. Louis area. Service is available 24/7, with no overtime fees. Customers may join a maintenance membership club or call for one-time HVAC repairs. Guaranteed Comfort and Energy is an ActOnEnergy registered ally, providing and servicing hybrid and geothermal systems and conducting allergy treatment, home performance analysis, and all furnace and cooling product services.

Maryville, IL(618) 623-0533


Indoor Comfort Team

Indoor Comfort Team is a local, family-owned HVAC business serving St. Louis, St. Charles, and the Metro East area since 1970. All technicians are journeymen specializing in energy efficiency, with an average of 20 years of experience. Services include repair and installation of boilers, furnaces, ductless systems, and all cooling, heating, electrical, and plumbing needs. Indoor Comfort Team is NATE certified and a member of BPI and Gateway ACC.

St. Louis, MO(314) 549-5207


Kirkwood Heating & Air Conditioning

Licensed HVAC contractors representing Kirkwood Heating & Air Conditioning have been serving homeowners and businesses in St. Louis since 1984. The company runs an in-house apprenticeship program registered with the Department of Labor. Technicians install, upgrade, repair, and provide preventive maintenance and sheet metal fabrication for furnaces, ductless split systems, and any HVAC equipment. Emergency service is available 24/7. Kirkwood Heating & Air Conditioning is a Gateway ACC member.

St. Louis, MO(314) 968-3453


Matheny Heating & Cooling

Founded in 1942, Matheny Heating & Cooling is a full-service, family owned and operated HVAC business serving St. Louis and St. Charles Counties. Licensed, NATE certified technicians service all HVAC makes, models, and equipment, including ductless systems, water heaters, thermostats, radiant floors, and automation systems. Employees recycle all parts and packaging and recommend eco-friendly systems. Maintenance plans are available. Matheny Heating & Cooling is an independent American Standard dealer and installer.

St. Louis, MO(314) 727-9000


Metro Heating & Cooling

Local, family owned and operated business Metro Heating & Cooling has been providing HVAC repair and maintenance services throughout the St. Louis area since 1982. Technicians are EPA certified and trained in all heating, cooling, and indoor air quality installation and repair. Metro Heating & Cooling works with local businesses and residents to service geothermal systems, heat pumps, UV light air purification, custom ductwork fabrication, ductless mini-splits, and all HVAC makes and models.

St. Louis, MO(314) 845-5900


Morrison Plumbing

Morrison Plumbing is an EPA certified HVAC and plumbing business serving the St. Louis East area for more than 30 years. Licensed, insured technicians install new air conditioners and heaters, update homes and businesses to energy efficient systems, service maintenance agreements, and conduct big and small repairs. Employees prioritize keeping customers informed. Morrison Plumbing is a Lennox dealer.

Belleville, IL(618) 623-0100


New Systems

New Systems is an HVAC business that promotes the use of environmentally friendly HVAC products and processes in Greater St. Louis. A team of licensed, NATE certified technicians installs, maintains, and repairs all HVAC brands and equipment, including thermostat smartphone apps, geothermal systems, boilers, and air conditioners. New Systems employees, with more than 30 years of experience, recommend technologies to save energy and money in homes and businesses.

Fenton, MO(314) 849-7900


SmartHouse Heating and Cooling

SmartHouse Heating and Cooling offers energy audits, air conditioning, and heating service to residential customers in St. Louis, Missouri, and the surrounding area. They are proud to work with the Missouri Energy Star program to deliver energy savings and environmentally friendly products to homeowners. SmartHouse Heating and Cooling works with existing structures, remodels, and vends over 60 types of Energy Star products. The company offers installation and repair for furnaces, air conditioners, and more. They are an accredited business with the Better Business Bureau, earning an A+ rating, as well as the Angie's List Super Service Award in 2016. SmartHouse Heating and Cooling is a factory-authorized dealer for Carrier products.

St. Louis, MO(314) 325-6836


Vogel Heating & Cooling

Vogel Heating & Cooling in St. Louis has served local customers since 1946. The HVAC repair company hires licensed and union certified technicians to service HVAC systems for residents and business owners. Services and products include 24/7 emergency response, sheet metal fabrication, geothermal systems, air duct cleaning, energy management, and repair, maintenance and installation of heat pumps, boilers, furnaces, and air conditioners. Maintenance program and senior citizen discounts are available.

Fenton, MO(314) 351-2533


Welsch Heating and Cooling Company

Welsch Heating and Cooling Company is a St. Louis business led by the fifth generation of its founding family. After beginning as a parts provider in 1895, the business grew into a full-service design, construction, and installation HVAC company with a staff of factory trained, NATE certified technicians. Welsch Heating and Cooling Company is a member of the local Gateway Air Conditioning Contractors and the national SMACNA professional associations.

St. Louis, MO(314) 872-8070


Wrong city? Here are some nearby places: