HVAC Companies Missouri

Best HVAC Services in Missouri

Receive up to 3 Air Conditioning Services quotes for your project today! Compare profiles, reviews, accreditations, portfolio, etc... and choose the best offer.

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  • Emerson
    3.8
    St. Louis, US

    Emerson is a global technology, software and engineering powerhouse driving innovation that makes the world healthier, safer, smarter and more sustainable.

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  • St. Louis Air Conditioning
    4.9
    Eustis, FL, 33 E. Golf Links Ave, 32726, US

    St. Louis Air Conditioning is a trusted HVAC company serving the Heart of Florida since 1959. We pride ourselves on our commitment to quality and reliability, offering air conditioning solutions from leading manufacturers. Our team of experts provides expert AC installation, air conditioning replacement, and maintenance services to keep your home or business comfortable throughout the year. With emergency service available on weekends and weekdays until 8 PM, you can count on us to keep you cool.

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  • Harster Heating & Air Conditioning
    4.5
    St. Louis, US

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  • NOOTER St. Louis
    4.6
    1500 South 2nd St., St. Louis, 63104, US

    NOOTER is a fully integrated turnkey construction, multi-craft, construction engineering and maintenance contractor, in the industrial and commercial sectors. With vast experience, a highly-skilled multi-craft labor force and unlimited geographical reach, we respond in real-time to vital projects or emergency situations, when and wherever needed. Our goals are your goals: to achieve and maintain outperforming production environments for the life of your facility.

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  • Meyer Heating and Air
    4.9
    11134 Lindbergh Business Ct, St. Louis, 63123, US

    Meyer Heating and Air is a St. Louis-based HVAC company that provides expert services for residential and commercial properties. With years of experience in the industry, our team works on all makes and models of heating and cooling systems, offering installation, repair, maintenance, and general service. We help our customers in O'Fallon and surrounding areas, including Fenton, Arnold, Ballwin, St. Charles, Chesterfield, Sappington, and St. Louis, to ensure their HVAC systems run smoothly and efficiently. Our 24/7 emergency service means we're always available to help, and our team is dedicated to providing exceptional customer service and ensuring customer satisfaction.

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  • Aire Serv of St. Louis
    5
    Not Found, St. Louis, 63101, US

    Aire Serv of St. Louis is a locally owned and operated HVAC company serving the St. Louis, MO area. We are dedicated to providing expert service, upfront pricing, and 24/7 customer service. Our team of experienced technicians is committed to delivering reliable and efficient HVAC solutions for both residential and commercial customers. We offer a wide range of services, including AC repair, heating repair, maintenance, and installation. At Aire Serv, we believe in the Neighborly Done Right Promise™, ensuring that our customers receive the highest quality service and support.

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  • American Boiler & Mechanical
    4.5
    St. Louis, US

    American Boiler & Mechanical is a family-owned operation that has been providing boiler and mechanical services for over 50 years. Founded in 1973 by Harry Hemphill, the company has grown from a small office and shop in Fenton, MO to a 25,000 square foot headquarters in St. Louis, MO. With a fleet of 85-plus services vehicles, mobile welders, and all the necessary tools, American Boiler & Mechanical is equipped to handle any job, from re-tubing a boiler onsite to piping-in new equipment. While boilers will always be their specialty, their capabilities and expertise have grown over the years to include all mechanical aspects of manufacturing and industrial plant facilities, from basic plant maintenance to complete HVAC, boiler, and process piping replacements and expansions. They pride themselves on their history and look forward to serving their customers with the very best in boiler and mechanical services for the next half century and beyond!

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  • Classic Aire Care
    4.8
    St. Louis, US

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  • Welsch Heating & Cooling
    4.5
    St. Louis, US

    FAMILY AND LOCALLY OWNED SINCE 1895. We strive to be the most TRUSTED Heating and Air Conditioning Company in the St. Louis/St. Charles area with over 127 years of experience. 24-hour service, 7 days a week. Repair, optimize, or check your system. Any Brand, Any System. We service all brands! Request Service Request Estimate. Specials on Heating and Cooling Complete Systems. Save up to $1,600 back! Specials. Get it Fixed By Expert Technicians. Call anytime for home or business! Services. Living Up to Our Commitment. See what made us a national winner! Reviews. What We Offer.

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  • Vitt Heating & Cooling
    4.7
    4719 Morganford Rd, St Louis, 63116, US

    Vitt Heating and Cooling has very deep ties to St Louis City. It was in St Louis City where the business began back in 1954. Over the years, our company has witnessed the area expand in almost every direction. But unlike a lot of other companies who have moved out of the city limits, we still call St Louis City home. Vitt Heating and Cooling enjoys working on the historical homes of St Louis which is why our certified professional technicians continue to train on the most up to date boiler equipment and maintenance in the industry. If you are in need of service or installation for your HVAC system or air conditioner, give Vitt Heating and Cooling at call at (314) 351-5580.

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Frequently Asked Questions About HVAC Companies

Find answers to common questions about HVAC services, finding contractors, and getting the best HVAC systems for your needs.

What are the signs my air conditioner needs refrigerant?

Low refrigerant levels can cause various problems with your air conditioner:
  • Warm Air: The most noticeable sign is that the AC is blowing warm or not cool air.
  • Ice Buildup: Ice may form on the refrigerant lines or evaporator coil.
  • Increased Energy Bills: Your system has to work harder to cool, leading to higher energy consumption.
  • Hissing or Bubbling Sounds: These sounds may suggest a refrigerant leak.
If you suspect low refrigerant, contact an AC repair specialist to fix the leak and add refrigerant.

What are the different types of HVAC systems?

Several types of HVAC systems are available for residential and commercial buildings:
  • Split Systems: The most common type, consisting of an outdoor unit (condenser/compressor) and an indoor unit (air handler/furnace).
  • Heat Pumps: Provide both heating and cooling by transferring heat between indoor and outdoor air.
  • Ductless Mini-Splits: Ideal for homes without existing ductwork or for adding heating and cooling to specific zones.
  • Packaged Units: A single unit that contains all the system's components.
  • Geothermal Heat Pumps: Use the earth's stable temperature to provide highly efficient heating and cooling.
An HVAC professional can help determine the best type of system for your needs and budget.

How do I find a good HVAC company near me?

Finding a reputable HVAC company requires research. Consider these tips:

  • Check Online Reviews: Look for HVAC companies with positive reviews and high ratings on platforms like Google, Yelp, and others.
  • Ask for Referrals: Reach out to friends, family, neighbors, or colleagues for recommendations.
  • Verify Licensing and Insurance: Ensure the company is properly licensed and insured to operate in your area.
  • Look for Certifications: Check for certifications from reputable organizations like NATE (North American Technician Excellence).
  • Compare Quotes: Get quotes from multiple HVAC companies to compare pricing and services.
  • Use a Directory like HVACCompaniesHub: Simplify your search by using our directory of pre-screened and qualified HVAC professionals.

How do I choose the right size AC unit for my home?

Choosing the right AC unit size is essential for efficient cooling. An undersized unit won’t cool your home adequately, while an oversized unit will cycle on and off frequently, wasting energy and leading to premature wear and tear. A qualified HVAC technician will calculate the appropriate size AC unit for your home based on factors like:
  • Your home's square footage
  • Your local climate
  • Insulation levels
  • Window efficiency
  • Number of occupants
This calculation involves determining your home's cooling load, typically measured in BTUs (British Thermal Units). Don’t rely on estimates or guesswork; consult with an HVAC professional to ensure your new AC unit is properly sized for your specific needs.

What are the signs my air conditioner needs refrigerant?

Low refrigerant levels can cause various problems with your air conditioner:
  • Warm Air: The most noticeable sign is that the AC is blowing warm or lukewarm air.
  • Ice Buildup: Ice may form on the AC unit.
  • Increased Energy Bills: Your system has to work harder to cool, leading to higher energy consumption.
  • Hissing or Bubbling Sounds: These sounds can indicate a refrigerant leak.
If you suspect low refrigerant, contact an HVAC technician to diagnose the issue and recharge the system.

What are the different types of HVAC systems?

Several types of HVAC systems are available for residential and commercial buildings:
  • Split Systems: The most common type, consisting of an outdoor unit (condenser/compressor) and an indoor unit (air handler/furnace).
  • Heat Pumps: Provide both heating and cooling by transferring heat between indoor and outdoor air.
  • Ductless Mini-Splits: Ideal for homes without existing ductwork or for adding heating and cooling to specific zones.
  • Packaged Units: A single unit that contains all the system's components.
  • Geothermal Heat Pumps: Use the earth's stable temperature to provide highly efficient heating and cooling.
An HVAC professional can help determine the best type of system for your needs and budget.

How do I find a good HVAC company near me?

Finding a reputable HVAC company requires research. Consider these tips:

  • Check Online Reviews: Look for HVAC companies with positive reviews and high ratings on platforms like Google, Yelp, and others.
  • Ask for Referrals: Reach out to friends, family, neighbors, or colleagues for recommendations.
  • Verify Licensing and Insurance: Ensure the company is properly licensed and insured to operate in your area.
  • Look for Certifications: Check for certifications from reputable organizations like NATE (North American Technician Excellence).
  • Compare Quotes: Get quotes from multiple HVAC companies to compare pricing and services.
  • Use a Directory like HVACCompaniesHub: Simplify your search by using our directory of pre-screened and qualified HVAC professionals.

How do I choose the right size AC unit for my home?

Choosing the right AC unit size is essential for efficient cooling. An undersized unit won’t cool your home adequately, while an oversized unit will cycle on and off frequently, wasting energy and leading to premature wear and tear. A qualified HVAC technician will calculate the appropriate size AC unit for your home based on factors like:
  • Your home's square footage
  • Your local climate
  • Insulation levels
  • Window efficiency
  • Number of occupants
This calculation involves determining your home's cooling load, typically measured in BTUs (British Thermal Units). Don’t rely on estimates or guesswork; consult with an HVAC professional to ensure your new AC unit is properly sized for your specific needs.