AC Repair O'Fallon

Find AC Repair in O'Fallon

Get 3 FREE AC Repair quotes for your project today! Compare profiles, reviews, accreditations, portfolio, etc... and choose the best offer.

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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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  • 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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  • 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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  • 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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  • 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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  • St. Louis HVAC
    1
    St. Louis, US

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  • Classic Aire Care
    4.8
    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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  • Harster Heating & Air Conditioning
    4.5
    St. Louis, US

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Frequently Asked Questions About AC Repair

Experiencing problems with your air conditioning? Concerned about rising energy bills due to inefficient cooling? Find answers to common questions about AC repair and connect with qualified HVAC technicians in USA.

Why is my AC fan not spinning?

The cause of a malfunctioning AC fan needs professional diagnosis. Here are some possibilities:
  • Faulty capacitor:
  • The capacitor gives the motor a boost to start. A faulty capacitor can prevent the fan from starting.
  • Malfunctioning motor:
  • The fan motor itself might have burned out or seized..
  • Worn-out belt:
  • If your AC has a belt-driven fan, a worn or broken belt can prevent it from spinning.
  • Electrical issues:
  • Wiring problems or a tripped circuit breaker can cut off power to the fan.
  • Frozen unit:
  • Ice buildup might prevent the fan from turning freely.
It's essential to contact a qualified HVAC technician to diagnose the issue and ensure safe and proper repair. .

How can I improve my AC's energy efficiency?

Boosting your AC's energy efficiency can lead to significant savings. Consider these tips:
  • Regular maintenance:
  • Schedule professional tune-ups at least once a year to optimize performance.
  • Programmable thermostat:
  • Automate temperature adjustments to save energy when you're away or asleep.
  • Seal air leaks:
  • Caulk and weatherstrip windows and doors to reduce drafts.
  • Proper insulation:
  • Ensure adequate attic, wall, and floor insulation to minimize heat transfer.
  • Ventilation:
  • Improve ventilation to remove excess heat and humidity.
  • Energy-efficient appliances:
  • Choose appliances with the Energy Star label to reduce overall energy load.
  • HVAC zoning:
  • Consider zoning to better regulate temperature different areas.

How do I reset my AC unit?

Resetting your system is a basic troubleshooting step. Here's how to reset most residential AC units:1. **Turn off the AC at the thermostat:** Set it to the 'off' position.2. **Turn off power at the breaker panel:** Locate the circuit breaker that controls your AC unit and switch it to the 'off' position.3. **Wait 5-10 minutes:** This allows the system to completely power down and reset any internal electronics.4. **Turn the breaker back on:** Flip the circuit breaker back to the 'on' position.5. **Turn on the AC at the thermostat:** Set the thermostat to your desired cooling temperature. If resetting doesn't work, contact a professional HVAC repair service. Never attempt electrical repairs on your AC unit unless you are qualified to do so safely..

Where can I find 24/7 emergency AC repair services?

AC emergencies, such as complete system failures during a heatwave, require prompt action. HVACCompaniesHub connects you with a network of qualified AC repair companies, many of whom offer 24/7 emergency services. Search our directory by your location and filter for 'emergency AC repair' to quickly find available technicians near you. It's also advisable to identify a few local 24/7 HVAC companies and save their contact information before an emergency arises. This way, you'll be prepared if your AC breaks down outside of regular business hours.

Why is my AC fan not spinning?

Several issues can cause your AC fan to stop working. . Here are some possibilities:
  • Faulty capacitor:
  • The capacitor gives the motor a boost to start. A faulty capacitor can prevent the fan from starting.
  • Malfunctioning motor:
  • The fan motor itself might have failed.
  • Worn-out belt:
  • If your AC has a belt-driven fan, a worn or broken belt can prevent it from spinning.
  • Electrical issues:
  • Wiring problems or a tripped circuit breaker can cut off power to the fan.
  • Frozen unit:
  • Ice buildup can block the fan blades..
It's essential to contact a qualified HVAC technician to diagnose the issue and ensure safe and proper repair. .

How can I improve my AC's energy efficiency?

Boosting your AC's energy efficiency can lead to significant savings. Consider these tips:
  • Regular maintenance:
  • Schedule professional tune-ups annually to optimize performance.
  • Programmable thermostat:
  • Automate temperature adjustments to save energy when you're away or asleep.
  • Seal air leaks:
  • Caulk and weatherstrip windows and doors to reduce drafts.
  • Proper insulation:
  • Ensure adequate attic, wall, and floor insulation to minimize heat transfer.
  • Ventilation:
  • Improve ventilation to remove excess heat and humidity.
  • Energy-efficient appliances:
  • Choose appliances with the Energy Star label to reduce overall energy load.
  • HVAC zoning:
  • Consider creating multiple zones to better regulate temperature different areas.

How do I reset my AC unit?

Resetting your system is a basic troubleshooting step. Here's how to reset most residential AC units:1. **Turn off the AC at the thermostat:** Set it to the 'off' position.2. **Turn off power at the breaker panel:** Locate the circuit breaker that controls your AC unit and switch it to the 'off' position.3. **Wait 5-10 minutes:** This allows the system to completely power down and reset any internal electronics.4. **Turn the breaker back on:** Flip the circuit breaker back to the 'on' position.5. **Turn on the AC at the thermostat:** Set the thermostat to your desired cooling temperature.If the problem persists, it's likely a more serious issue, and you should contact a qualified HVAC technician. Never attempt electrical repairs on your AC unit unless you are qualified to do so safely..

Where can I find 24/7 emergency AC repair services?

AC emergencies, such as complete system failures during a heatwave, require prompt action. HVACCompaniesHub connects you with a network of qualified AC repair companies, many of whom offer 24/7 emergency services. Search our directory by your location and filter for 'emergency AC repair' to quickly find available technicians near you. It's also advisable to identify a few local 24/7 HVAC companies and save their contact information before an emergency arises. This way, you'll be prepared if your AC breaks down outside of regular business hours.