HVAC Companies Missouri

Top 10 HVAC Companies in Missouri

Get up to 3 AC and Heating Services quotes for your project today! Compare profiles, reviews, accreditations, portfolio, etc... and choose the best offer.

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  • Kirkwood Heating & Air Conditioning
    4.7
    St. Louis, MO, 9350 Watson Industrial Park, 63126, US

    Kirkwood Heating and Cooling is a trusted HVAC company in St. Louis, MO, providing top-notch heating, cooling, and heat pump services. Our experienced team has been working in the industry for a long time, with the necessary skills, training, and certifications to resolve your heating, cooling, and indoor air quality problems. We offer a range of services, including repair, maintenance, installation, and replacement, with a focus on individual projects and attention to detail. Our fair pricing system caters to the customer's needs, and we ensure that the entire process occurs within your budget. We are available 24/7 for emergency services and offer a range of products from Carrier, including air conditioners, heat pumps, gas furnaces, programmable thermostats, humidifiers, ductless split systems, boilers, air cleaners, and zoning products.

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  • Trane
    2.9
    St. Louis, US

    Trane is a global leader in air conditioning systems, services and solutions. With a rich history dating back to 1885, Trane has been providing reliable, energy-efficient, and clean air solutions for homes and buildings. The company is committed to making buildings better for people, the environment, and the bottom line. Trane offers a range of products and services for residential and commercial customers, including air conditioning systems, heating systems, ventilation systems, and more. With a global presence and a team of experts, Trane is dedicated to delivering exceptional customer service and support.

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  • Matheny Heating & Cooling
    4.8
    6317 Olive Street Road, St. Louis, MO, 63130, US

    Since 1942, Matheny Heating and Cooling has built a solid reputation for providing prompt, reliable, and courteous service to customers in St. Louis. Our factory-trained, licensed service technicians are qualified to handle repairs on all makes and models of heating and air conditioning equipment, as well as heat pumps, boilers, water heaters, and ductless room cooling equipment. We also specialize in the installation of high-efficiency heating & cooling systems and are proud of our work. When it's time for new equipment, we stand behind the American Standard® Heating & Air Conditioning brand and are an American Standard® Customer Care dealer.

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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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  • One Hour Heating & Air Conditioning® of St. Louis
    5
    3636 S Geyer Rd Ste 100, St. Louis, 63129, US

    One Hour Heating & Air Conditioning is a premier HVAC service provider in the United States. We care about your comfort and respect your time, which is why we back all of our work with a 100% customer satisfaction guarantee for two years. Our team of experts is always on time, guaranteed, and we offer StraightForward Pricing with no hidden fees. We provide a range of services including emergency HVAC services, air conditioning, heating, furnace repair and installation, ductwork, and more. Our goal is to make your home feel like home, and we're here for you when you need us most.

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  • AL-DON Indoor Air Quality Specialists
    4.4
    11740 Lackland Industrial Drive, St. Louis, 63146, US

    The Name St. Louisians Have Known & Trusted For Over 65 Years, AL-DON! We Install New AC and Heating Systems Available NOW in the AL-DON Warehouse! Schedule Service Now. We are a trusted HVAC company providing residential and commercial services, including air conditioning, air ducts, boilers, mini-split systems, gas furnaces, heat pumps, indoor air quality, seasonal clean and check, radiant floor heating, and zone control systems.

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  • Unico
    4.3
    780 5th Ave Ste 140, King of Prussia, 19406-1437, US

    With The Unico System heating and cooling, small really is huge. The Unico System is small, a lot smaller than conventional HVAC systems ⎯ eliminating the need for ugly soffits and large, noisy registers while providing whisper-quiet, draft-free even temperatures preferred by homeowners and HVAC contractors across the nation! Everything You Need to Get Started Homeowner Professional Chiltrix by Unico™ Advantages of Small-Duct High-Velocity Heating & Cooling Compact configuration Even temperatures Low Impact installation Quiet performance Indoor air quality What’s Different About The Unico System There are a lot of choices when it comes to indoor comfort products and specialists who install them. See how The Unico System differs from conventional, mini-splits, and other HVAC systems here. Design Services Let Us Do the Hard Part Unico provides free System Design Services for projects of any type. Let us do the hard part by providing a full system layout, including a material list, for your home or commercial installation. Small-duct high-velocity heating and cooling designed to adapt to old homes, custom homes, and small spaces without compromising comfort, design or efficiency. About Us Policies Register Product Find a Rep Credentials & Compliance Business Hours:Monday – Friday7:00 AM – 5:00 PM (CST) © 2022 The Unico System. All rights reserved. Privacy Policy Terms of Use

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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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  • Hussmann Corporation
    3.6
    St. Louis, US

    Hussmann is a leader in providing display merchandisers, refrigeration systems, installation and services to food retailers around the world. Inspired ideas that anticipate shoppers' desires. At Hussmann, our innovative thinking and integrated solutions are transforming the business of food retail and turning the shopping experience into a pleasure.

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  • St. Louis AC Cages
    5
    St. Louis, US

    St. Louis AC Cages is your trusted partner for protecting your valuable HVAC systems. We specialize in custom-built steel cages designed to deter theft and safeguard your investment. Whether you need a cage for your home, investment property, or commercial building, we've got you covered. Our cages are expertly crafted to fit your specific unit, ensuring maximum security and accessibility for service. We understand that new HVAC systems are a significant investment, and we're committed to providing affordable and effective solutions to protect them. Our team of experienced professionals will work closely with you to understand your needs, provide a free quote, and schedule an installation that fits your schedule. At St. Louis AC Cages, we pride ourselves on our commitment to customer satisfaction. We strive to communicate clearly, arrive on time, offer competitive pricing, and deliver the highest quality product. If you're not 100% satisfied with our service, simply let us know, and we'll make it right. Don't wait until it's too late. Protect your HVAC system today with a St. Louis AC Cage.

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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 is an AFUE rating, and why is it important?

AFUE (Annual Fuel Utilization Efficiency) measures how effectively a furnace converts fuel to heat. Higher AFUE furnaces waste less fuel. The minimum AFUE for new furnaces is usually 80%, but high-efficiency furnaces can achieve AFUE ratings of 90-98%. Investing in a high-efficiency furnace can save money on heating costs over time.

What should I ask an HVAC technician during a service call?

When an HVAC technician comes for a service visit, ask these important questions:
  • What is the source of the problem? Get a clear explanation of the issue and what caused it.
  • What are my repair options? Discuss different repair solutions, if applicable, and their associated costs.
  • Are there any preventative measures I can take? Find out if there are steps you can take to prevent future problems.
  • Do you recommend a repair or replacement? If repairs are extensive or the system is old, consider replacement.
  • What are the warranties on parts and labor? Understand the warranties before agreeing to any repairs.
  • Do you have any customer reviews or testimonials I can check? Reputable HVAC technicians are often happy to provide references or direct you to customer reviews.
Asking these questions can help you make an informed decision and feel confident in the HVAC technician's expertise and recommendations.

What is the difference between an AC unit and a heat pump?

While both air conditioners and heat pumps provide cooling, they differ in how they generate heat. An AC unit cools your home by extracting heat and transferring it outside. It uses a separate furnace or heating system for heating in colder months. A heat pump, however, can both cool and heat. In cooling mode, it functions like an AC, extracting heat from indoor air and releasing it outdoors. In heating mode, it reverses this process, extracting heat from the outside air (even in cold temperatures) and transferring it inside. This makes heat pumps more energy-efficient for heating than traditional electric resistance heating, especially in mild to moderately cold climates.

How long does an HVAC system last?

The average lifespan of an HVAC system is typically 15-20 years. However, how long your system lasts can vary depending on several factors. Regular maintenance can extend the life of your HVAC system significantly. If your HVAC system is over 15 years old, it's a good idea to start considering a replacement.

What is an AFUE rating, and why is it important?

AFUE (Annual Fuel Utilization Efficiency) measures how effectively a furnace converts fuel to heat. Higher AFUE furnaces waste less fuel. The minimum AFUE for new furnaces is usually 80%, but high-efficiency furnaces can achieve AFUE ratings of 90-98%. Investing in a high-efficiency furnace can save money on heating costs over time.

What should I ask an HVAC technician during a service call?

When an HVAC technician comes for a service visit, ask these important questions:
  • What is the source of the problem? Get a clear explanation of the issue and what caused it.
  • What are my repair options? Discuss different repair solutions, if applicable, and their associated costs.
  • Are there any preventative measures I can take? Find out if there are steps you can take to prevent future problems.
  • Do you recommend a repair or replacement? If repairs are extensive or the system is old, consider replacement.
  • What are the warranties on parts and labor? Understand the warranties before agreeing to any repairs.
  • Do you have any customer reviews or testimonials I can check? Reputable HVAC technicians are often happy to provide references or direct you to customer reviews.
Asking these questions can help you make an informed decision and feel confident in the HVAC technician's expertise and recommendations.

What is the difference between an AC unit and a heat pump?

While both air conditioners and heat pumps provide cooling, they differ in how they generate heat. An AC unit cools your home by extracting heat and transferring it outside. It uses a separate furnace or heating system for heating in colder months. A heat pump, however, can both cool and heat. In cooling mode, it functions like an AC, extracting heat from indoor air and releasing it outdoors. In heating mode, it reverses this process, extracting heat from the outside air (even in cold temperatures) and transferring it inside. This makes heat pumps more energy-efficient for heating than traditional electric resistance heating, especially in mild to moderately cold climates.

How long does an HVAC system last?

The average lifespan of an HVAC system is typically 15-20 years. However, the actual lifespan can vary depending on several factors. Regular maintenance can extend the life of your HVAC system significantly. If your HVAC system is over 15 years old, it's a good idea to start considering a replacement.