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Furnace Installation in Centennial, CO

When temperatures in Centennial drop below freezing during Colorado’s harsh winter months, a reliable furnace is not a luxury but an absolute necessity. At Gustafson Heating & Air Conditioning, we have been delivering quality customer service, reliability, and expertise in heating, cooling, and ventilation to our residential and commercial clients since 1971. With more than 45 years of experience serving customers in Highlands Ranch, Englewood, and surrounding areas, we understand the unique heating demands that come with living along the Front Range. Our furnace installation services are designed to keep your home warm, safe, and energy-efficient throughout even the coldest stretches of winter.

The decision to invest in a new furnace installation or furnace replacement is significant, and we take that responsibility seriously. As a Rheem Team Top 10 Contractor in the United States, our highly trained technicians and responsive support staff offer customized solutions to fit your budget. Whether you are building a new home, upgrading from an aging system, or replacing a unit that has stopped performing, we bring the technical knowledge and hands-on skill required to ensure your heater installation is done correctly the first time.

When Is It Time for a Furnace Replacement?

Most furnaces have a lifespan of 15 to 20 years, depending on the model, usage patterns, and how consistently the system has been maintained. If your current furnace is approaching or exceeding that range, you may notice rising energy bills, uneven heating throughout the house, frequent repair needs, or strange noises during operation. These are all signs that a furnace replacement could save you money and improve comfort in the long run. According to the U.S. Department of Energy, heating accounts for roughly 29 percent of a typical home’s utility bill, making furnace efficiency a critical factor in managing household expenses.

Modern high-efficiency furnaces can achieve Annual Fuel Utilization Efficiency ratings of 95 percent or higher, meaning nearly all the fuel consumed is converted directly into heat for your home. By comparison, older furnaces often operate at 60 to 80 percent efficiency. When we assess your current system, we evaluate factors like ductwork condition, home insulation, and square footage to recommend the ideal unit for your specific situation.

Our Furnace Installation Process

We follow a thorough, methodical approach to every furnace installation project. Our process begins with an in-home evaluation where one of our technicians inspects your existing system, measures your living space, and discusses your comfort preferences and budget. This consultation allows us to perform a Manual J load calculation, which determines the precise heating capacity your home requires. Oversized or undersized furnaces both create problems, from short cycling and premature wear to inadequate warmth and wasted energy.

Once we have identified the right furnace for your needs, our installation team handles every step of the project. Here is what you can expect during a typical installation:

  • Removal of old equipment including the existing furnace, outdated components, and any deteriorated ductwork connections
  • Preparation of the installation area ensuring proper clearances, ventilation, and code compliance are maintained
  • Installation of the new furnace with precise connections to gas lines, electrical wiring, thermostat controls, and duct systems
  • System testing and calibration verifying airflow, combustion safety, thermostat accuracy, and overall performance before we leave your home
  • Walkthrough and education so you understand how to operate your new system, change filters, and recognize when maintenance is needed

Choosing the Right Furnace for Centennial Homes

Centennial homeowners have several options when it comes to selecting a new furnace. The most common fuel type in this region is natural gas, though electric and dual-fuel hybrid systems are growing in popularity. Single-stage furnaces operate at full capacity whenever they run, while two-stage and variable-speed models adjust their output based on current heating demands. Variable-speed furnaces provide the most consistent temperatures and quietest operation, making them an excellent choice for families who prioritize comfort and energy savings.

We also help homeowners evaluate features such as communicating thermostats, humidity controls, and advanced filtration options that can improve indoor air quality during the dry Colorado winter. Every recommendation we make is tailored to your home and your goals, not a one-size-fits-all approach.

Why Local HVAC Experience Matters

Centennial sits at an elevation of approximately 5,800 feet, and altitude affects furnace combustion and performance in ways that technicians from outside the region may overlook. Our decades of experience installing furnaces across the Denver metro area mean we understand these nuances and account for them during every heater installation. From proper venting at altitude to selecting equipment rated for Colorado’s temperature extremes, our team ensures your new furnace delivers reliable warmth season after season. Trust us to protect your home and your investment with professional furnace installation backed by proven expertise.

Serving Highlands Ranch, Englewood, and surrounding areas

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Furnace Replacement, Heater Installation & Furnace Installation in Centennial, CO

Heater Installation in Centennial, CO | Furnace Replacement

Heater InstallationFurnace InstallationFurnace Replacement ∴ Centennial, 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

Centennial, CO