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Serving Englewood, CO and the surrounding areas

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Furnace Repair in Highlands Ranch, CO

When your furnace stops working on a freezing Colorado night, every minute counts. At Gustafson Heating & Air Conditioning, we understand the urgency that comes with a failing heating system, especially during the harsh winter months that Highlands Ranch residents know all too well. Since 1971, we have delivered quality customer service, reliability, and expertise in heating, cooling, and ventilation to our residential and commercial clients. When you need to fix your furnace quickly and correctly, our team brings decades of hands-on experience to every service call.

Highlands Ranch sits at an elevation of roughly 5,900 feet, where temperatures can plummet well below zero during winter storms. According to the U.S. Energy Information Administration, nearly half of all home energy consumption goes toward space heating, making a reliable furnace not just a comfort but a necessity. When that system breaks down, homeowners face not only discomfort but also potential risks such as frozen pipes, indoor air quality issues, and even carbon monoxide exposure from a malfunctioning heat exchanger.

Our Furnace Repair Process

Every furnace repair begins with a thorough diagnostic evaluation. Our highly trained technicians arrive equipped with advanced tools to assess your system’s performance from top to bottom. We check thermostat calibration, inspect electrical connections, test ignition components, measure gas pressure, evaluate blower motor function, and examine the heat exchanger for cracks or corrosion. This comprehensive approach ensures that we identify not only the immediate problem but also any underlying issues that could cause future breakdowns.

Once the diagnosis is complete, we explain our findings in clear, straightforward language. We believe you deserve to understand exactly what is happening with your heating system before any work begins. Our responsive support staff and technicians offer customized solutions to fit your budget, ensuring that heater repair decisions are informed rather than pressured. Whether your furnace needs a simple ignitor replacement or a complex control board repair, we use quality parts and proven repair methodologies to restore your system to peak performance.

Common Furnace Problems We Address

Furnaces are complex mechanical systems with numerous components that can fail over time. Serving our customers in Highlands Ranch, Englewood, and surrounding areas for more than 45 years has given us exposure to virtually every furnace issue imaginable. From older single-stage units to modern variable-speed systems, we have the expertise to diagnose and resolve problems efficiently.

  • Ignition failures occur when a hot surface ignitor cracks or a flame sensor becomes coated with residue, preventing the burner from lighting properly
  • Blower motor malfunctions can result in weak airflow, unusual noises, or complete system shutdowns due to worn bearings or capacitor failure
  • Thermostat issues sometimes cause erratic cycling, temperature inconsistencies, or failure to communicate with the furnace control board
  • Dirty or clogged filters restrict airflow and force the system to overwork, potentially triggering limit switch shutdowns and premature component wear
  • Heat exchanger cracks represent a serious safety concern that requires immediate professional attention to prevent carbon monoxide from entering your living space
  • Draft inducer motor problems prevent proper venting of combustion gases, causing the system to lock out as a safety precaution

Why Professional Furnace Repair Matters

The temptation to troubleshoot furnace issues independently is understandable, but heating systems involve combustible fuels, high-voltage electrical components, and intricate control sequences that demand professional expertise. A misdiagnosed problem can lead to repeated breakdowns, wasted money on unnecessary parts, or even dangerous operating conditions. As a Rheem Team Top 10 Contractor in the United States, we hold ourselves to the highest industry standards for every furnace repair we perform.

Professional heater repair also preserves your manufacturer warranty. Many furnace warranties require that service be performed by qualified technicians. Attempting DIY repairs or hiring unqualified individuals can void coverage that might otherwise save you thousands of dollars on major component replacements. Our technicians maintain current certifications and follow manufacturer-specified repair procedures to protect your investment.

Keeping Your Furnace Running Strong

While emergency situations do arise, many furnace repairs can be prevented through regular maintenance. Annual tune-ups allow us to catch worn components before they fail completely, clean critical parts that affect efficiency, and verify safe operation throughout the system. The Department of Energy estimates that regular maintenance can improve furnace efficiency by up to five percent, translating into meaningful savings on your monthly utility bills.

When you need furnace repair in Highlands Ranch, trust the team that has been keeping Colorado homes warm for over five decades. At Gustafson Heating & Air Conditioning, we combine technical excellence with genuine care for every customer we serve. Whether it is a midnight emergency or a scheduled repair, we are committed to restoring your comfort as quickly and affordably as possible.

Serving Highlands Ranch, Englewood, and surrounding areas

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Heater Repair & Furnace Repair in Highlands Ranch, CO

Furnace Repair in Highlands Ranch, CO | Heater Repair

Furnace RepairHeater Repair ∴ Highlands Ranch, CO

Special Offers

Put your worries behind and work with the local experts, Gustafson Heating & Air Conditioning Inc.

More special offers

$50 Off IAQ

*Restrictions Apply

Indoor Air Quality products to include Humidifiers, air scrubbers, UV lights, ERV, HRV, air cleaners, whole home ventilation.

Disclaimer: Coupon CAN NOT be used for Diagnostic or Service call. Can not be combined with other offers. Must be applied at time of booking.
$50 Off Qualifying Repairs

*Restrictions Apply

We repair all makes and models of HVAC equipment. Furnaces, air conditioners, heat pumps, mini splits.

Disclaimer: Coupon CAN NOT be used for Diagnostic or Service call. Can not be combined with other offers. Must be applied at time of booking.
$50 Off Ductwork

*Restrictions Apply

Proper duct systems improve airflow, balance temperature differences, and improve system performance.

Disclaimer: Coupon CAN NOT be used for Diagnostic or Service call. Can not be combined with other offers. Must be applied at time of booking.

Customer Reviews

Leave a review More reviews

Gary W.

WOW, what a great job Gustafson Heating and Air Conditioning did for my wife and I. They were professional, fast, and way less expensive than the others we looked into. We really appreciate what they did. It was in the winter when our furnace broke down and they replaced it immediately. They left our home clean and warm and we will appreciate the cool air this coming summer. THANK YOU Mike and your team!

Kristina C.

I received a number of quotes to install a whole home humidifier. Gustafson was amazing from start to finish. I was able to handle everything over the phone without needing an additional in-person quote with a number of upcharges. I spoke to a gentleman who walked me through options by seeing pictures of my setup and was extremely knowledgable on what was necessary to ensure I was getting the correct humidifier for my home. The pricing was extremely competitive compared to the others and was not full of hidden charges. When I called, they were able to get an appointment set up within a week. The service tech was on time, courteous, cleaned up after himself, and walked me through the whole setup.

Svein R.

I got three quotes for a heat pump and gas furnace back-up. Gustafson’s was the most competitive. In addition, Mike McCarthy was, and is, a gem; very knowledgeable and responsive. The other Gustafson employees on the job were courteous and professional. I am very pleased with the equipment and the installation, which was a difficult one. I highly recommend Gustafson!

Meagan P.

Gustafson installed our HVAC system in 2019 and have been so great with service! They’re honest and back up their work. Recently our A/C wasn’t cooling to the set temp. Todd was so kind & diligent in teaching us what to do as homeowners, but also servicing/cleaning the mechanics and we’re back to a nice, cool home just in time for higher temperatures!

Scott H.

Purchased a mini-split (AC / Heat Pump) unsure if I’d be able to install it or not. I installed most of it myself but there were a few technical procedures I didn’t have the expertise or tools to undertake. Dillon came out and finished the job, doing top-notch work and taking in account the aesthetics of the unit inside and out. Very reasonable price as far as I’m concerned. My new go to neighborhood HVAC company.

David R.

Basement flooded. This is where my WFH office is, so it was a big deal. Gustafson sent out Todd to fix it. He got it fixed quickly, and charged me a very reasonable fee. Basement is warm and dry now. I can’t say enough good things about Gustafson.

Steven B.

The technician “Luis” was fantastic as usual. All the services and technicians we have used with Gustafson over 12 years have been prompt, professional, timely and reasonable over the years. I definitely approve of this vendor!!!

William R.

Our furnace went out and our regular company gave us a 2 week window for coming out. We have a RHEEM furnace and needed an authorized RHEEM dealer. I called Gustafson and they came out in 48 hrs. They were so nice and the technician –Dylan–was so helpful that I am switching companies. Really a great experience.

Sonja L.

Absolutely the best!!!! This is an honest company with very professional people working for them. The price for all work is always very fair and very reasonable!!!

Krista B.

I had the whole HVAC system installed by Gustafson about three years ago and recently requested maintenance on the system. Technician Robert Gomez was the tech that responded and he was very personable, easy to talk to, and explained what he was doing to me to service my furnace. I felt like I received thorough service and he provided advice for the future as well. Thank you, Robert!! I hope to be able to request you again in the future to do maintenance on my AC next spring.

Code of Ethics:

  • Providing services at or above accepted industry standards
  • Providing exceptional customer service and supportive, long-term relationships with our customers
  • Ensuring that Honesty and Integrity are the hallmark of all of our business practices and services
  • Improving through continuing education and training

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Our team of expert HVAC technicians are ready to assist you, 24/7. No job is too big or small: We come prepared. Put your worries behind and work with the local experts, Gustafson Heating & Air Conditioning

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Gustafson Heating & Air are expert HVAC professionals trained to take care of any comfort issue you may have!

We’re a Lennox Dealer and are trained to deliver a level of comfort and service that exceeds customer expectations. Because Gustafson Heating & Air understand that actions speak louder than words, instead of just talking quality, we practice it through listening and responding to your comfort needs.

Industry-Leading Products

As partners with the leading name in home comfort, Lennox has the best products available in the industry, including highly efficient systems from the Dave Lennox Signature® Collection made here in the United States.

Highly rated for customer satisfaction

In order to sell Lennox products, Gustafson Heating & Air must consistently meet and exceed customer expectations. To ensure we do that, we are trained to design, install, service and maintain HVAC systems. We are dedicated to achieving complete customer satisfaction and must maintain a 4-star rating among consumers.

Rheem product line

Highlands Ranch, CO