Furnaces
Complete furnace solutions for Denver homes.
Furnace Services in Denver, CO
Top Shelf Electric, Heating, & Plumbing is a furnace company in Denver, CO, providing furnace services for gas and electric furnaces in homes throughout the Denver metro. Our furnace contractors work on every major furnace brand and type, from standard-efficiency gas furnaces to high-efficiency and variable-speed models, keeping Denver homes safe and warm through long Colorado winters.
Furnace services are a core part of our Denver heating services, and as a full-service heating and cooling company in Denver, we answer the phone 24/7 and provide upfront pricing on every furnace job.
Call (720) 899-2633Our Denver Metro Heating Services
Our Denver Furnace Services
From the first cold night of fall to the last snowstorm in spring, your furnace does most of the work keeping your home comfortable. Top Shelf offers complete furnace services in Denver, with a dedicated team and page for each:
- Furnace Repair: Fast diagnosis and same-visit fixes when your furnace won’t ignite, blows cold air, short cycles, or shuts off unexpectedly.
- Furnace Installation & Replacement: Help choosing a properly sized, high-efficiency gas or electric furnace for your home, with financing available.
- Furnace Tune-Ups: Annual cleaning, adjustment, and carbon monoxide safety checks that get your furnace ready for Denver winters.
Not sure which furnace service you need? Describe what your furnace is doing when you call, and we’ll send a furnace technician with the right parts and expertise for the job.
Emergency Furnace Service in Denver
A furnace that quits during a Denver cold snap is more than uncomfortable. It can mean frozen pipes and an unsafe home. Top Shelf’s phones are answered by a real person 24/7, so you can reach our furnace team any time. Furnace technicians are dispatched from 7 a.m. to 10 p.m., seven days a week.
Types of Furnaces We Service in Denver
There’s no single “Denver furnace.” The furnaces in our area range from 30-year-old standard-efficiency units in older homes to modern variable-speed furnaces in new construction. Our furnace technicians are trained on all of them:
- Gas furnaces: The most common furnace in Denver homes, burning natural gas for powerful, cost-effective heat.
- High-efficiency (condensing) gas furnaces: Furnaces rated 90% AFUE or higher that capture extra heat from exhaust gases and vent through PVC pipe.
- Electric furnaces: Common in Denver condos, townhomes, and homes without a natural gas line.
- Single-stage, two-stage, and variable-speed furnaces: From furnaces that run only at full blast to models that adjust output for quieter, more even heat.
- Dual-fuel furnace pairings: Gas furnaces paired with a heat pump, with the furnace taking over on the coldest nights.
We service Trane furnaces as an authorized dealer, along with Carrier, Lennox, Rheem, Goodman, Bryant, American Standard, and every other major furnace brand. If you’re not sure what type of furnace you have, our furnace experts can identify it on the first visit.
Signs Your Denver Furnace Needs Service
Your furnace usually tells you when something is wrong well before it stops working completely. Calling a furnace contractor early keeps a small problem from becoming a no-heat emergency in the middle of a Denver winter. Watch for:
- Your furnace won’t turn on, or it starts and shuts off almost immediately
- Your furnace is blowing cold or lukewarm air
- Your furnace short cycles, turning on and off every few minutes
- You hear banging, booming, squealing, or rattling when the furnace starts
- The burner flame looks yellow or flickering instead of steady blue
- Your carbon monoxide alarm goes off, or you smell gas or burning
- Your gas bill is climbing even though you haven’t changed how you use your heat
If you notice any of these, schedule furnace service with our team before the problem gets worse. If you smell gas or your carbon monoxide alarm sounds, get everyone out of the house and call your gas utility or 911 first, then contact Top Shelf.
How Denver’s Climate Affects Your Furnace
Furnaces in Denver work harder and under tougher conditions than furnaces in most of the country. Here’s what our furnace technicians see across the Denver metro every heating season:
- High-altitude combustion: At about 5,280 feet, there’s less oxygen in the air. Many gas furnaces need high-altitude adjustments to burn safely and efficiently in Denver, and a furnace that isn’t set up correctly can overheat or produce more carbon monoxide.
- Frozen condensate lines: High-efficiency furnaces drain water through condensate lines and vent through PVC pipe. During Denver cold snaps, those lines and vents can freeze or ice over and shut the furnace down.
- Constant cycling from temperature swings: Denver can swing from mild afternoons to single-digit nights, so furnaces start and stop more often, which wears out igniters, flame sensors, and blower motors faster.
- Dust and dry air: Dry winter air carries more dust, clogging filters and burners and forcing your furnace to work harder.
- Colorado’s furnace emissions rules: ⟦CONFIRM: current Colorado ultra-low-NOx furnace requirement and effective date for Denver metro⟧ affects which gas furnaces can be installed in Denver-area homes.
Our Denver furnace contractors know these problems firsthand and how to prevent them. That local knowledge helps your furnace run safely, efficiently, and reliably all winter.
Why You Should Hire a Licensed Furnace Contractor in Denver
Gas furnaces involve natural gas lines, combustion venting, and electrical connections, and mistakes can put your family at risk of a gas leak or carbon monoxide exposure. A licensed, insured furnace contractor knows how to set up a furnace for Denver’s altitude, test combustion and carbon monoxide levels, pull required permits, and keep your manufacturer’s warranty valid. Before hiring a furnace company in Denver, ask whether they’re licensed and insured, which furnace brands they work on, how they price their furnace services, and whether they guarantee the work.
Why Choose Top Shelf Electric, Heating, & Plumbing as Your Denver Furnace Company
Furnace problems never seem to happen at a good time, but choosing the right furnace company makes everything easier. Top Shelf Electric, Heating, & Plumbing delivers dependable furnace services at fair prices, so you can stop worrying about your heat and get back to enjoying a warm home. Here’s what sets our furnace team apart:
- Work Done Right, Guaranteed: Every furnace job is backed by our 100% satisfaction guarantee, with friendly, competent service from start to finish.
- No Surprise Costs: Our upfront pricing policy means you’ll approve the price of your furnace service before any work starts.
- Your Local Furnace Experts: As a locally owned and operated company, we know Denver homes and what our winters demand from a furnace.
- One Call for Your Whole Home: Beyond furnaces, our technicians handle heating, cooling, plumbing, and electrical work.
- Financing That Fits Your Budget: Wells Fargo Home Projects financing offers fast approvals, special promotional offers, and 0% interest plans on approved credit.
Count on Top Shelf for furnace services you can trust, from a Denver furnace company that stands behind every job.
Request Service
What Does a Denver Furnace Contractor Do?
A furnace contractor specializes in the equipment that heats most Denver homes: the furnace, plus the venting, gas connections, controls, and ductwork it depends on. Furnace contractors in Denver deal with conditions most of the country doesn’t, including high-altitude combustion, condensate lines that can freeze, and Colorado’s newer emissions rules for gas furnaces. A good Denver furnace company understands how all of these affect your furnace’s safety, efficiency, and lifespan, and handles every furnace service your home needs from one trusted team.
How Our Denver Furnace Services Work
Whatever your furnace needs, Top Shelf follows the same clear process on every furnace service call, so there are no surprises:
- Request furnace service: Call or book online. Our live answering team is available 24/7, and furnace technicians are scheduled from 7 a.m. to 10 p.m., seven days a week.
- Evaluate your furnace: Your technician checks ignition, burners, the flame sensor, the blower, venting, and safety controls to understand how your furnace is performing.
- Explain your options: You get a clear explanation of what we found and upfront pricing before any work begins.
- Complete the work: Most furnace service calls are finished in a single visit.
- Test for safety: We test startup, temperature rise, venting, and carbon monoxide levels before we leave.
- Follow up: We make sure your furnace is running right and that you’re completely satisfied.
You’ll always know what we’re doing and why. Your furnace technician will answer any questions before moving forward.
Call (720) 899-2633
Furnace Services Across Denver Neighborhoods
From our shop at 6565 South Dayton Street in Greenwood Village, Top Shelf’s furnace technicians provide furnace services to homes in every Denver neighborhood, including:
- Park Hill: Early-1900s brick homes where furnaces often sit in tight basement mechanical rooms with older ductwork.
- Congress Park: Historic homes that have often swapped older heating equipment for gas furnaces over the years, sometimes with unusual venting.
- Platt Park: Bungalows and Denver Squares where furnace closets and basements leave little room to work.
- University Park: Post-war and mid-century homes, many with gas furnaces that have been running for decades.
- Sloan’s Lake: Older homes alongside new townhomes, so we see everything from aging gas furnaces to high-efficiency condensing models.
- Virginia Village: 1950s and ’60s ranch homes with basement or utility-room gas furnaces common to that era.
- Green Valley Ranch: Newer homes with attic and basement furnaces that are now reaching their second decade of service.
Wherever your Denver home is, call Top Shelf or request service online to schedule furnace service with a local Denver furnace company.
Denver Furnace FAQs
What furnace services does Top Shelf offer in Denver?
Top Shelf offers complete furnace services for Denver homes, including diagnostics, new furnace options, and seasonal furnace care for gas and electric furnaces. Our furnace technicians handle no-heat calls, safety concerns, and efficiency upgrades. As a Trane Authorized Dealer, we install Trane furnaces and service every major brand.
What furnace brands does Top Shelf work on?
We work on all major furnace brands, including Trane, American Standard, Carrier, Bryant, Lennox, Rheem, Ruud, Goodman, and Amana. As a Trane Authorized Dealer, Top Shelf has direct access to Trane furnaces and factory support. If your furnace is older or a less common brand, our furnace experts can still help.
Is a gas or electric furnace better for a Denver home?
Most Denver homes with a natural gas line are best served by a gas furnace, which delivers strong heat at a lower operating cost during long Colorado winters. Electric furnaces make sense for condos, townhomes, and homes without gas service, and they’re simpler to vent. Our furnace contractors can compare both options for your specific home.
What does AFUE mean on a furnace?
AFUE (Annual Fuel Utilization Efficiency) is the percentage of fuel your furnace turns into heat for your home. A standard furnace is around 80% AFUE, while high-efficiency condensing furnaces are rated 90–98% AFUE. Higher-AFUE furnaces cost more up front but use less gas, which adds up over a long Denver heating season.
Does Denver’s altitude affect my furnace?
Yes. At Denver’s elevation there’s less oxygen for combustion, so many gas furnaces need high-altitude adjustments to burn safely and efficiently. A furnace that isn’t set up for altitude can overheat, waste fuel, or produce excess carbon monoxide. Our furnace technicians confirm altitude setup on every gas furnace we work on.
How long do furnaces last in Denver?
Most furnaces last 15–20 years, though Denver’s long heating season and frequent cycling can shorten that if the furnace isn’t cared for. Regular professional service, clean filters, and proper altitude setup help your furnace reach the high end of that range. If your furnace is approaching 15 years old, it’s worth talking with a furnace expert about what’s next.
What are Colorado’s new rules for gas furnaces?
Colorado has adopted emissions limits for new gas furnaces sold and installed in parts of the state, including the Denver metro. Our furnace contractors stay current on these requirements and will explain how they affect your options.
Is it dangerous if my furnace smells like gas or burning?
A faint burning smell at the start of the season is often just dust burning off and should fade quickly. A gas smell, a persistent burning or electrical odor, or a carbon monoxide alarm is a safety issue. Leave the home, call your gas utility or 911, and then contact Top Shelf for furnace service.
Do you offer furnace financing?
Yes. Top Shelf offers furnace financing through Wells Fargo Home Projects, with fast approvals, monthly payments, and 0% interest options on approved credit. Financing makes it easier to choose a high-efficiency furnace without paying the full cost up front.
Is Top Shelf available for emergency furnace service?
Our phones are answered by a live person 24/7, and furnace technicians are scheduled from 7 a.m. to 10 p.m., seven days a week. Call as soon as your furnace stops working so we can get a technician to your Denver home quickly.
Count on Denver’s Trusted Furnace Company
Your furnace keeps your family safe and comfortable through some of the longest, coldest stretches of the year. Whether something isn’t working right or you want expert advice on your furnace’s next chapter, Top Shelf’s Denver furnace contractors are ready to help. Call Top Shelf or request service online to schedule furnace service with a local furnace company you can trust.
Call (720) 899-2633Committed to Serving the Greater Metro Area
The team at Top Shelf Electric, Heating, & Plumbing are dedicated to servicing over 25 cities in the the Greater Denver Metro Area. Check out this list of just a few of the places we service for fast, reliable service you can trust. Give us a call for all of your home service needs!
All Service Areas
Complete Satisfaction Isn’t Just a Promise – It’s Our Privilege.
We had a loss of power in one circuit and an outdated electrical panel. We called Top Shelf and Will G. Was able to come within a couple of hours. He explained the issue in detail and we were able to schedule the panel replacement for the next day! Will and Darrell came out on
Had a furnace inspection, and offered a service plan at a great place. This was a great experience.
We called Sunday for a quote. Darrell showed on Monday morning 8 am. Gave us great price on a bathroom fan replacement and a ceiling fan issue. Both fixed in great time. Awesome service great electrician and service. Appreciate you Darrell!
Isaac Hadsall and Aiden Moores were amazing and definitely would recommend them to anyone! Great great workers!
Aiden did a great job servicing my heater and walking me through all the information. Very professional!
We moved into a new house in June and, of course, the first time we tried to turn on the heater it wasn’t working. I requested service on the website, someone called me to schedule within 15 minutes, and Aiden came out to help within a couple of hours. He was quick,
Aiden and Chad did the maintenance on my furnace today. They both were professional, courteous and explained all they did,including photos. Thank you very much!! 😃👍
Aidan and Aidan (Aidan squared) were very professional, arrived on the early side of the two hour window, were familiar with my furnace, performed the service and offered additional service options.
Isaac did a great job of answering all my questions while at my place and after he had left when I had more. He was thorough and professional.
Fast service and straightforward pricing. Very happy with the end result. Daryl is awesome.
Aiden did a terrific job fixing the furnace and tuning up the a/c. He explained everything, step by step, was courteous and efficient with my time.
Aiden Moores and another Aiden were here today to do the annual tune-up on our furnace. They also provided an estimate for some other work that we will need done, at my request. They were prompt, very thorough, friendly, answered all my questions, and gave a detailed report of
Will G came out to help me with a small electrical problem I was having with a ceiling fan. He was timely, professional and explained the issue in detail which was appreciated. 10/10 would use him again. Thanks!
Service was great, they were on time to start the projects and finish time was good as well. I had 3 Major Appliances Replaced: Air Conditioner, Furnance & Hot Water Heater for a good deal all together.
Aiden and Aiden were great. They explained what was to be done then explained and showed pics of what was done and cleaned up after themselves. Thanks
All 3 guys were great on the job and highly recommended!!!
Top Shelf , and Especially jeremi did a great job with making sure my water heater and home heating system is ready for winter . I’ll definitely use them again
Darryl Montgomery was superb! We not only received incredible service, but gained a much needed education about our systems. He was…..Top Shelf!
Aiden and Aiden (A squared) were great, they did all the checks and inspection on my furnace, walked me through everything they saw, and indentified any issues they found.
Will did an amazing job at resolving the issue and providing detailed instructions on how to avoid such issues in future. He answered all our questions and gave us options for additional services we have planned. We will definitely hire Top Shelf again.
I highly recommend Top Shelf for any of your Electrical or pluming or HVAC needs. We had Will Giltner come out for an electrical issue. He explained everything, step by step. An honest and professional individual. Thank you Top Shelf and Will for all that you do.
Jeremy gave fantastic advice for our AC and pointed out some problems he came across that are going to save us a fortune in repairs. Highly recommend.
Darrell seamlessly replaced a dining room light fixture with a ceiling fan. He was warm and personable and left the work area as clean as he found it. The fan looks great and works wonderfully. We also had a great experience with Jeremi who took care of some plumbing issues for
Darrell the electrician was great. Clean, quick and easy to understand. Will use again.
We had a loss of power in one circuit and an outdated electrical panel. We called Top Shelf and Will G. Was able to come within a couple of hours. He explained the issue in detail and we were able to schedule the panel replacement for the next day! Will and Darrell came out on
Had a furnace inspection, and offered a service plan at a great place. This was a great experience.
We called Sunday for a quote. Darrell showed on Monday morning 8 am. Gave us great price on a bathroom fan replacement and a ceiling fan issue. Both fixed in great time. Awesome service great electrician and service. Appreciate you Darrell!
Isaac Hadsall and Aiden Moores were amazing and definitely would recommend them to anyone! Great great workers!
Aiden did a great job servicing my heater and walking me through all the information. Very professional!
We moved into a new house in June and, of course, the first time we tried to turn on the heater it wasn’t working. I requested service on the website, someone called me to schedule within 15 minutes, and Aiden came out to help within a couple of hours. He was quick,
Aiden and Chad did the maintenance on my furnace today. They both were professional, courteous and explained all they did,including photos. Thank you very much!! 😃👍
Aidan and Aidan (Aidan squared) were very professional, arrived on the early side of the two hour window, were familiar with my furnace, performed the service and offered additional service options.
Isaac did a great job of answering all my questions while at my place and after he had left when I had more. He was thorough and professional.
Fast service and straightforward pricing. Very happy with the end result. Daryl is awesome.
Aiden did a terrific job fixing the furnace and tuning up the a/c. He explained everything, step by step, was courteous and efficient with my time.
Aiden Moores and another Aiden were here today to do the annual tune-up on our furnace. They also provided an estimate for some other work that we will need done, at my request. They were prompt, very thorough, friendly, answered all my questions, and gave a detailed report of
Will G came out to help me with a small electrical problem I was having with a ceiling fan. He was timely, professional and explained the issue in detail which was appreciated. 10/10 would use him again. Thanks!
Service was great, they were on time to start the projects and finish time was good as well. I had 3 Major Appliances Replaced: Air Conditioner, Furnance & Hot Water Heater for a good deal all together.
Aiden and Aiden were great. They explained what was to be done then explained and showed pics of what was done and cleaned up after themselves. Thanks
All 3 guys were great on the job and highly recommended!!!
Top Shelf , and Especially jeremi did a great job with making sure my water heater and home heating system is ready for winter . I’ll definitely use them again
Darryl Montgomery was superb! We not only received incredible service, but gained a much needed education about our systems. He was…..Top Shelf!
Aiden and Aiden (A squared) were great, they did all the checks and inspection on my furnace, walked me through everything they saw, and indentified any issues they found.
Will did an amazing job at resolving the issue and providing detailed instructions on how to avoid such issues in future. He answered all our questions and gave us options for additional services we have planned. We will definitely hire Top Shelf again.
I highly recommend Top Shelf for any of your Electrical or pluming or HVAC needs. We had Will Giltner come out for an electrical issue. He explained everything, step by step. An honest and professional individual. Thank you Top Shelf and Will for all that you do.
Jeremy gave fantastic advice for our AC and pointed out some problems he came across that are going to save us a fortune in repairs. Highly recommend.
Darrell seamlessly replaced a dining room light fixture with a ceiling fan. He was warm and personable and left the work area as clean as he found it. The fan looks great and works wonderfully. We also had a great experience with Jeremi who took care of some plumbing issues for
Darrell the electrician was great. Clean, quick and easy to understand. Will use again.