Emergency HVAC St. Louis

Top 10 After Hours HVAC in St. Louis

Get up to 3 Emergency HVAC Service quotes for your project today! Compare profiles, reviews, accreditations, portfolio, etc... and choose the best deal.

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  • Averill Heating & Air Conditioning
    4.9
    St. Louis, US

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

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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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  • Martin-Jetco Heating and Air Conditioning
    4.9
    1327 West Lark Industrial Dr, Fenton, 63026, US

    Since 1964, Martin-Jetco Heating and Air Conditioning has been focused on delivering an amazing customer experience and the best heating and cooling services in St. Louis. Family-owned and operated, we've become the go-to company for all residential and commercial heating and cooling needs in St. Louis. All of our licensed and NATE-certified technicians are committed to providing an unrivaled customer experience. Unlike other companies who are in it to just make a buck, we won't sell you any product or service you don't truly need. When you work with our St. Louis HVAC company, we put your best interests first. As certified dealers of many of the industry’s leading brands, including York, Goodman, Daikin, Carrier, and Trane, you can rest easy knowing that we carry systems designed to last.

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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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  • 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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Frequently Asked Questions About Emergency HVAC Services

Find answers to common questions about emergency HVAC repair and 24/7 HVAC services.

What is the best way to heat my home efficiently?

To heat your home efficiently:
  • Lower Your Thermostat: Set your thermostat to a lower temperature when you are away or asleep. Programmable thermostats automate this process, helping you save money.
  • Seal Air Leaks: Seal gaps and cracks around windows, doors, and other openings to prevent heat loss.
  • Improve Insulation: Make sure your home is properly insulated.
  • Annual Furnace Maintenance: Keep your furnace running efficiently with annual inspections and tune-ups.
  • Use Window Coverings: Close curtains or blinds at night to retain heat.

What should I do while waiting for an emergency HVAC technician?

While waiting for an emergency HVAC technician:
  • Safety First: If you suspect a gas leak or any electrical hazard, evacuate your home or building immediately and contact your utility company or emergency services.
  • Turn Off Your System: Turn off your HVAC system at the thermostat to prevent further damage.
  • Document the Issue: If possible, take photos or videos of the problem to show the technician.
  • Gather Information: Have your HVAC system's model and serial number readily available, along with any warranty information.
  • Clear Access: Ensure clear access to your HVAC system for the technician.
  • Prepare Questions: Write down any questions you want to ask the technician.

What are the benefits of a preventative HVAC maintenance plan?

A preventative HVAC maintenance plan can save you time, money, and frustration. Regular maintenance by a certified HVAC professional can:
  • Improve Energy Efficiency
  • Extend System Lifespan
  • Prevent Costly Repairs
  • Enhance Indoor Air Quality
  • Identify Potential Problems Early
  • Ensure Safe and Reliable Operation
Regular professional maintenance is a smart investment that protects your HVAC system and ensures your comfort.

What's the difference between a single-stage and two-stage furnace?

Single-stage furnaces have one level of heat output. They run at full capacity until the set temperature is reached, then cycle off until the temperature drops again. Two-stage furnaces have two levels of heat output: a lower setting for milder weather and a higher setting for colder conditions. Two-stage systems improve overall comfort.

What is the best way to heat my home efficiently?

To heat your home efficiently:
  • Lower Your Thermostat: Set your thermostat to a lower temperature when you are away or asleep. Consider installing a smart thermostat for precise temperature control.
  • Seal Air Leaks: Seal gaps and cracks around windows, doors, and other openings to prevent heat loss.
  • Improve Insulation: Make sure your home is properly insulated.
  • Annual Furnace Maintenance: Annual servicing ensures your system is functioning optimally.
  • Use Window Coverings: Close curtains or blinds at night to retain heat.

What should I do while waiting for an emergency HVAC technician?

While waiting for an emergency HVAC technician:
  • Safety First: If you suspect a gas leak or any electrical hazard, evacuate your home or building immediately and contact your utility company or emergency services.
  • Turn Off Your System: Turn off your HVAC system at the thermostat to prevent further damage.
  • Document the Issue: If possible, take photos or videos of the problem to show the technician.
  • Gather Information: Have your HVAC system's model and serial number readily available, along with any warranty information.
  • Clear Access: Ensure clear access to your HVAC system for the technician.
  • Prepare Questions: Write down any questions you want to ask the technician.

What are the benefits of a preventative HVAC maintenance plan?

A preventative HVAC maintenance plan can save you time, money, and frustration. Regular maintenance by a qualified technician can:
  • Improve Energy Efficiency
  • Extend System Lifespan
  • Prevent Costly Repairs
  • Enhance Indoor Air Quality
  • Identify Potential Problems Early
  • Ensure Safe and Reliable Operation
By investing in regular maintenance, you're protecting your valuable HVAC equipment and extending its lifespan.

What's the difference between a single-stage and two-stage furnace?

Single-stage furnaces have one level of heat output. They run at full capacity until the set temperature is reached, then cycle off until the temperature drops again. Two-stage furnaces have two levels of heat output: a lower setting for milder weather and a higher setting for colder conditions. This provides more consistent temperatures, better efficiency, and quieter operation.