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Expert Furnace Installation in Highlands Ranch, CO

When temperatures in Highlands Ranch drop below freezing during Colorado’s harsh winter months, a reliable heating system is not a luxury but a necessity. At Gustafson Heating & Air Conditioning, we specialize in furnace installation that keeps your home comfortable and energy-efficient all season long. Serving our customers in Highlands Ranch, Englewood, and surrounding areas for more than 45 years, we bring decades of hands-on experience to every heater installation project we undertake. Our team understands the unique climate demands of the Front Range, and we design every installation around your home’s specific heating requirements.

The Department of Energy estimates that heating accounts for nearly 45 percent of a typical household’s energy bills. That means choosing the right furnace and having it professionally installed can significantly impact your monthly expenses and long-term comfort. Whether you are building a new home, upgrading an outdated system, or completing a full furnace replacement, our highly trained technicians evaluate your space, ductwork, and insulation to recommend the ideal solution for your budget and lifestyle.

Our Furnace Installation At It’s Finest

Every furnace installation begins with a thorough in-home assessment. We measure your home’s square footage, examine existing ductwork for leaks or sizing issues, evaluate insulation levels, and account for factors like ceiling height, window placement, and the number of occupants. This detailed load calculation ensures we recommend a furnace that is properly sized. An oversized unit cycles on and off too frequently, wasting energy and creating uneven temperatures. An undersized unit runs constantly without adequately heating your home. Both scenarios lead to premature wear and higher utility costs.

Once we determine the right system, our HVAC technicians handle every aspect of the installation. We remove your old equipment, prepare the installation area, connect gas lines and electrical wiring according to local building codes, and integrate the new furnace with your existing ductwork. After physical installation, we perform combustion analysis and airflow testing to verify the system operates at peak efficiency. We also calibrate your thermostat and walk you through the operation of your new system, ensuring you feel confident managing your home comfort from day one.

Choosing the Right Furnace for Your Highlands Ranch Home

Modern furnaces offer a range of efficiency ratings, measured by Annual Fuel Utilization Efficiency, commonly known as AFUE. Standard efficiency models operate around 80 percent AFUE, meaning 80 cents of every dollar spent on fuel goes directly toward heating your home. High-efficiency models achieve 95 to 98 percent AFUE, extracting significantly more heat from the same amount of fuel. As a Rheem Team Top 10 Contractor in the United States, we offer customized solutions that match your performance expectations and budget considerations.

Beyond efficiency ratings, there are several important factors to consider when selecting a new furnace:

  • Single-stage vs. two-stage vs. variable-speed burners determine how precisely the furnace modulates heat output for consistent comfort and quieter operation
  • Variable-speed blower motors circulate air more evenly throughout your home while consuming less electricity than traditional single-speed motors
  • Furnace size and BTU output must align with your home’s calculated heating load to avoid energy waste and temperature inconsistencies
  • Ductwork compatibility plays a critical role in system performance, as older duct systems may need modifications to support a modern high-efficiency unit
  • Warranty coverage varies by manufacturer and model, offering different levels of protection for parts, heat exchangers, and labor

When to Consider Furnace Replacement

The average furnace lifespan ranges between 15 and 20 years, depending on maintenance history and usage patterns. If your current system requires frequent repairs, produces uneven heating, or has caused a noticeable increase in your energy bills, furnace replacement may be more cost-effective than continued repairs. Since 1971, Gustafson Heating & Air Conditioning has delivered quality customer service, reliability, and expertise in heating, cooling, and ventilation to residential and commercial clients throughout the region, and we provide honest assessments about whether repair or replacement makes the most financial sense.

Additionally, older furnaces may use outdated technology that lacks modern safety features such as sealed combustion chambers and electronic ignition systems. Upgrading to a new unit not only improves efficiency but also enhances indoor air quality and reduces carbon monoxide risks. Colorado’s altitude and dry climate put additional strain on heating systems, making professional heater installation even more critical for safe and reliable operation.

Schedule Your Furnace Installation Today

Investing in professional furnace installation protects your home, your family, and your wallet for years to come. Our responsive support staff is ready to schedule your in-home consultation and guide you through every step of the process. Whether you need a straightforward furnace replacement or a completely new system design, we are committed to delivering comfort solutions tailored specifically to your Highlands Ranch home. Contact Gustafson Heating & Air Conditioning to get started and experience the difference that expert installation makes.

Serving Highlands Ranch, Englewood, and surrounding areas

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Heater Installation, Furnace Installation & Furnace Replacement in Highlands Ranch, CO

Furnace Replacement in Highlands Ranch, CO | Heater Installation

Furnace ReplacementFurnace InstallationHeater Installation ∴ 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 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.
$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.

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

Contact us

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