Top Heating & Furnace Contractors in Littleton, CO
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Featured Service Pros
Areas Of Expertise: retrofit systems, HVAC, dryer vent cleaning , and 1 more
"Kyle first confirmed and then followed up. He was professional and outlined potential costs. He quickly discovered the problem, replaced the part and completed the work in under an hour."
Linda S. in June 2018
In business since 2005
Areas Of Expertise: Central A/C - Service or Repair
About us: "A-Z Construction is a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. You will find us to be competitively priced while still paying close attention to the details of each and every project we are involved with. We look forward to building lasting relationships and guarantee your satisfaction. Give us a call today to get your project started."
Areas Of Expertise: Landscaping, Carpentry, HVAC , and 1 more
"They were easy to work with and at a reasonable price."
Quinton H. in February 2023
Service Pros
Areas Of Expertise: Home Improvement, Home Improvement
"Very good worker and professional did great work and the repair looks like it never happened"
Matthew S. in January 2023
Areas Of Expertise: Commercial HVAC Installs
"Fantastic company! Mr. Macaluso was very personal and helpful. Overall I am very pleased with his work. He offers affordable rates and is highly professional!"
John T. in November 2022
Areas Of Expertise: 3+ Years of Experience
"James was amazing from the moment I fretfully called because I had no heat. He assured me things would be ok and set up a time to come out. James was knowledgeable, thorough, and he fixed my furnace in no time. JJ's Heating and Cooling saved the day, saved me money, and I will always use them from now on.. Thank you so much."
Bryan D. in February 2023
Areas Of Expertise: HVAC
"We called 3 contractors on a Sunday morning in an attempt to schedule a furnace repair for Monday. Luckily we have a gas fireplace that works well because it was chilly inside!!! Brent with A-Moonlight called me back within 30 minutes. After a brief conversation he informed me that he could be out by around noon. I told him we could hold off until Monday because we didnâ t want to pay a weekend trip charge. He said that he would not charge extra since he had other work scheduled for Monday already and wanted to help us out. He cleaned a sensor, replaced a switch and did a complete tuneup for a very reasonable price!!! Very knowledgeable and polite. We will definitely use him again!!"
Matthew M. in December 2020
Areas Of Expertise: Professional installation by experienced local contractors. A dedicated project coordinator will guide you every step of your project., Robust financing options and product selections to meet every budget, Manufacturer limited product warranty of up to 10 years (ask representative about written warranty details) , and 2 more
"Very professional And Timely courteous with both installation and removal of old boiler I would recommend them to anyone."
Otis C. in January 2023
Areas Of Expertise: $69 service Call fee, HVAC, Sunday , and 1 more
"Worth the money and experience. They will treat you right and take care of your needs"
Bradly H. in December 2022
Areas Of Expertise: Trim, Siding, Doors , and 4 more
"Frank was great fo work with, he found me the best deal on windows and doors, did great work installing them quickly. The quality of the windows and doors have made a complete difference in my home heating and blocking outside noises."
Robert T. in March 2023
Areas Of Expertise: HVAC
"I am very impressed with this company. Christopher came out on time, found the problem quickly and fixed my furnace. While he was here he cleaned the furnace and made sure everything was up to code. He explained everything to me as he did it and did not try to upsell. He told me the price of each thing he did before he did it. Highly recommend him."
Connie B. in April 2022
Areas Of Expertise: HVAC
"They were very professional and got the job done in a timely manner!"
Lee C. in March 2023
Areas Of Expertise: Light Electrical, Handyman for Multiple Small Projects, Picture Hanging , and 2 more
"Dennis showed up early with gloves and a mask, assessed the cause for a leaking bathroom sink pipe, ran to the hardware store, and fixed everything in under 2 hours. For about $250 less than a major plumbing company I had gotten a quote from. He had another job that day but I booked him for a week later for another job where he saved me another $200 from a grout repair company."
Andrew H. in May 2020
Areas Of Expertise: Air Conditioning Repair & Replacement, Furnace Repair & Installation, Water Heater Repair & Installation , and 2 more
"Drew was great, very communicative and did a great job installing a new boiler."
Miles B. in January 2023
Areas Of Expertise: Renovations, Bathroom Remodeling, Kitchen Remodeling , and 3 more
"These guys are great. Josh and Danny are two very professional individuals, and if I need any more work done, I know I can count on these guys to get the job done."
Aaron H. in January 2023
Areas Of Expertise: Heat Pump Installation, Replacement and Service, Gas Furnace Installation, Replacement and Service, Central Air Conditioner Installation, Replacement and Service , and 2 more
"FURNACE INSTALL - Phil from L&L Heating & Air Conditioning was very professional and knowledgeable. He listened to me when I stated that I wanted a high efficiency furnace --- he did not try to sell me something that I did not need or want. The crew showed up on time, completed the work well within the scheduled time frame, and cleaned up thoroughly. I have recommended L&L to my neighbors and friends."
Alan F. in October 2016
Areas Of Expertise: HVAC Installations, HVAC Repairs
"BJ saved the day. Our very old furnace was struggling with the blower motor late last night. Jump HVAC replied to me early this morning and kept prompt communication. BJ arrived in under an hour of my confirmation. He was able to assess the issue and apply the right fix. From when I first confirmed the visit to having the heat back on was less than two hours, very appreciated when it was 9 degrees outside. The service visit was affordable and fairly priced. His communication and professionalism were excellent. Very impressed with BJ and Jump HVACâ s expert service and prompt assistance."
Shawn B. in November 2022
Areas Of Expertise: Heating Install and Repair, Swamp Cooler Install and Repair, Central A/C Installs and Repair , and 2 more
"German come out on Saturday to look at my ac that another company failed to repair. Not only was he prompt, but was very personable. He explained what was wrong and the options we had to fix it. We opted to replace our unit. He brought the new unit out monday at 6 and proceeded to install it. Our overall experience has been amazing! German is our go to HVAC person from now on! I will recommend Mobil1 to anyone needing HVAC service."
Emily M. in July 2015
"Extremely knowledge, professional, worked quickly and clean."
Patrick M. in October 2022
Areas Of Expertise: HVAC, REPAIRS HVAC, SHEET METAL FABRICATION , and 2 more
"I was extremely happy with the installation of my new furnace. I would call these guys again if I ever need anything!!!!"
Jazmine M. in January 2023
Areas Of Expertise: HVAC
About us: "We are a locally owned and operated company. Hello, i'm an HVAC technician, i've been practicing it since i was young since it's a family business. It's time to do my own thing. I have worked on furnaces and split systems and i know pretty much any problem that could come through and i won't leave your house till it's blowing hot or cold air. I'm offering my services for a flat fee. 80 dollar for the diagnostic, and a flat fee of 3050 for any existing problem. (There are some exclusions: new unit install , compressor swap or leak fixing). If there's any material being purchased i will send you the receipt for it and charge you 30% for gas etc. For after 7pm calls the fees are doubled. I'm not trying to overcharge no one, i'm an honest man and leaving a good impression and getting more exposure interests me way more than an extra hundred dollars that i didn't deserve. I operate on Denver metro area aurora etc and i can move around. Text me on 719-621-3232."
Areas Of Expertise: Electric Furnace: Repair, Gas Furnace: Repair, Central Air Conditioning Replacements and Repairs , and 2 more
"They arrived promptly, which is great because the water heater was leaking. They had it replaced within a few hours of putting in the request. Great job!"
Tamara E. in August 2016
Areas Of Expertise: Ductless Mini-Splits, Gas Furnace, Water Heaters , and 2 more
"Listen-up Folks! One of the most important decisions for a home owner is the repair or replacement of a Heating and Air Conditioning System (HVAC) and related components--an Electronic Air Cleaner, Humidifier, Thermostat and Water Heater. Consequently, access the reviews of customers who have received exemplary service in the purchase and installation of a HVAC System. A total of five proposals and estimates were obtained from HVAC companies for replacing my HVAC System. Front Range Mechanical Services submitted the lowest estimate; whereas, the remaining four included Costco (Cooper Heating and Cooling); PumbLine; Southwest Heating and Air Conditioning; and Applewood Plumbing and Heating. Notwithstanding, the lowest bid is only one aspect of the equation and I selected FRMS due to several factors: (1) the amazing knowledge base and thorough presentation by Stephen Korff, Home Comfort Specialist and owner of the company; and (2) the quality and warranty of the Amana and Trane products to be installed; and (3) the comprehensive certification of all HVAC Technicians employed by FRMS; and (4) the A+ rating with the Better Business Bureau. Look no further folks! You are in 'good hands' with Stephen Korff and FRMS. Conclusively, from 'start-to-finish' every aspect of this transaction was a pleasant experience; including the outstanding service provided, subsequent to the installation, by Stephen Korff and his Technicians in answering all questions pertaining to the operating System. I am confident this testimonial will alleviate any uncertainty regarding who should install your HVAC System. Daniel A Highlands Ranch, CO"
Daniel J A. in April 2016
Areas Of Expertise: Attic Install, Ducts & Vents, Central A/C , and 1 more
"It took them a little longer to repair my furnace then anticipated. But they fix the issue with it at a fair price"
Ricardo P. in December 2019
Areas Of Expertise: Central A/C - Service or Repair, Electric Furnace - Repair, Gas Furnace: Repair
"Andy was incredibly timely to respond to my posting for Hvac help. He arrived on time and greeted and treated my 3 large dogs with love. He got right to business and diagnosed the problem and solved it with a new part (that he procured for 50% less and 2x quicker than I could) within 2 hours. I would highly recommend him and his company to anyone who wants a seamless stress free hvac fix timely."
Steven R. in June 2022
Out of Network Heating & Furnace Contractors in Littleton, CO
- Comfort Pros of Colorado, LLC
10142 Altura St.
Commerce City, CO 80022
- Reliant Heating & Air Conditioning Services, LLC
9451 Welby Road, Unit 111
Thornton, CO 80229
- Atomic Air Mechanical, LLC
6951 W. Ida Drive, Suite 536
Littleton, CO 80123
- Mount Mechanical, Inc.
2417 S. Racine Way
Aurora, CO 80014
- Advanced Air Technologies, Inc.
2300 Ford St.
Golden, CO 80401
- Maes Plumbing, Inc.
9260 Birch Street
Thornton, CO 80229
- Johnny's Plumbing & Hydronics Co.
730 s. 8th. st
Canon City, CO 81212
- Guardian Heating & Air Conditioning, LLC
21559 E. Alamo Pl
Aurora, CO 80015
- RC Mechanical
4363 S. Genoa Ct
Centennial, CO 80015
- Elevation Heating & Air
1910 S. Cherokee St.
Denver, CO 80223
Frequently Asked Questions
What is a furnace?
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What is a furnace?
A furnace generates and distributes heated air throughout your home. A vital part of the heating, ventilation, and air conditioning (HVAC) system—though it does not cool air—you activate a furnace when you set or adjust the temperature in a room using the thermostat. Furnaces can run off natural gas, oil, electric, or propane.
How long does a furnace last?
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How long does a furnace last?
The average gas furnace lasts 15 to 20 years, though some electric furnaces can last 30 years or more.
- Gas furnace: 15–20 years
- Electric furnace: 20–30 years
- Oil furnace: 15–20 years
In addition to furnace type, your unit’s lifespan also depends on its size and the heating system you have—two-stage furnaces are more efficient and less likely to break than single-stage furnaces.
Having a reputable HVAC technician perform annual furnace maintenance and inspections can help ensure you get the most out of your unit. And, as always, change your filters regularly—a dirty filter can block airflow and overwork the motor.
How often should you change your furnace filter?
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How often should you change your furnace filter?
You should change your furnace filter every one to three months to help maintain air quality, keep energy costs in check, and extend your unit’s lifespan. If people in your home have dust or pet dander allergies, you may consider changing your filters more regularly. Looking for an even simpler guideline? If the filter is dirty, replace it.
How much does a new furnace cost?
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How much does a new furnace cost?
The average cost of a furnace unit is $2,300 to $7,200, plus $150 to $500 per hour for installation. Furnace replacement prices depend on the type of furnace you need, its size, and local labor costs.
- Gas: $3,800–$10,000
- Electric: $2,000–$7,000
- Oil: $6,750–$10,000
- Mini-Split: $2,000–$15,000
- Geothermal: $4,000–$17,000
If your furnace installation requires new gas lines or additional ductwork, add $250 to $800 for the gas lines and $3,00 to $5000 on average for the ductwork to your overall project costs.
Top Heating & Furnace Systems Projects
- Install a Geothermal Heating or Cooling System
- Install an Electrical Baseboard or Wall Heater
- Install a Radiant Floor Heating System
- Install or Replace a Boiler or Radiator Heating System
- Install or Replace a Heat Pump
- Install or Replace a Thermostat
- Install or Replace Ductless Mini-split Heating System
- Install or Replace Ductwork
- Install or Replace Furnace or Forced Air Heating System
- Repair an Electrical Baseboard or Wall Heater
- Repair or Reprogram a Thermostat
- Repair or Service a Boiler or Radiator Heating System
- Repair or Service a Heat Pump
- Repair or Service a Radiant Floor Heating System
- Repair or Service Furnace or Forced Air Heating System
- Repair Radiant Panel Heating Units
- Service a Geothermal Heating or Cooling System
HomeAdvisor Community Rating
Littleton Heating & Furnace Contractors are rated 4.8 out of 5 based on 2,008 reviews of 89 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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Recent Job Requests for Heating & Furnace Contractors in Littleton, CO
NewProject: Gas Furnace - Repair Location: Littleton, CODate: 03/03/23Current Heating System: Natural gas firedAge of Heating Equipment: More than 20 yearsLocation: Home/ResidenceIs this an emergency?: YesDesired Completion Date: Timing is flexibleProblem with Heating System: No heat in all locationsComment: There is a circuit breaker on the outside of the garage that keeps tripping. No heat is coming out of the vents. House is at 50 degrees.NewProject: Gas Boiler or Radiator Heat Repair Location: Littleton, CODate: 03/03/23Type of system: Natural gas firedLocation: Home/ResidenceIs this an emergency?: NoAfter Business Hours: NoDesired Completion Date: Within 1 weekRequest Stage: Planning & BudgetingProblem Description: Radiant heat pump not functioningNewProject: Heat Pump Install Location: Littleton, CODate: 03/03/23Desired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingLocation: Home/ResidenceNewProject: Gas Furnace - Install Location: Littleton, CODate: 03/02/23Desired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingNewProject: Gas Furnace - Install Location: Littleton, CODate: 03/01/23Age of Heating Equipment: More than 20 yearsRequest Stage: Planning & BudgetingDesired Completion Date: More than 2 weeksKind of Heating System: Natural gas firedLocation: Home/ResidenceNature of Project: Replace existing central heating systemComment: No additional instructionsNewProject: Gas Furnace - Repair Location: Littleton, CODate: 03/01/23Current Heating System: Natural gas firedAge of Heating Equipment: Don't KnowLocation: Home/ResidenceIs this an emergency?: YesDesired Completion Date: ImmediatelyProblem with Heating System: No heat in all locationsNewProject: Heat Pump Install Location: Littleton, CODate: 03/01/23Install or Replace: Installing newHeating System Type: Gas-fired forced air (central heating)Heat pump type wanted: Air sourceLocation: Home/ResidenceDesired Completion Date: 1 - 2 weeksRequest Stage: Ready to HireComment: Need to replace 20-year-old gas fired forced air furnace and 18-year-old central A/C unit with cold climate heat pump. Residence is 2-story (plus basement) townhouse with new very efficient storm windows. Home is fairly tight.NewProject: Ducts & Vents Install Location: Littleton, CODate: 03/01/23Type of Ductwork Project: Repair existing ductworkNumber of rooms/areas needing registers: 1Location: Home/ResidenceDesired Completion Date: Timing is flexibleRequest Stage: Ready to HireType of System: Gas-fired forced air (central heating)Type of System: Air conditionerComment: Replace/repair two ducts in basement leading to family room.NewProject: Gas Furnace - Install Location: Littleton, CODate: 02/28/23Nature of Project: Replace existing central heating systemAge of Heating Equipment: More than 20 yearsKind of Heating System: Natural gas firedLocation: Home/ResidenceDesired Completion Date: 1 - 2 weeksRequest Stage: Planning & BudgetingOther Features: HumidificationComment: Want to replace 25 year old residential HVAC system.NewProject: Gas Furnace - Install Location: Littleton, CODate: 02/27/23Desired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingProject: Gas Furnace - Repair Location: Littleton, CODate: 02/26/23Desired Completion Date: Within 1 weekRequest Stage: Ready to HireLocation: Home/ResidenceIs this an emergency?: YesCurrent Heating System: Natural gas firedComment: Pressure switch in n8 msl/n8msm seems to be not workingProject: Gas Furnace - Repair Location: Littleton, CODate: 02/24/23Current Heating System: Natural gas firedAge of Heating Equipment: 11 - 15 yearsLocation: Home/ResidenceIs this an emergency?: NoDesired Completion Date: Within 1 weekRequest Stage: Ready to HireProblem with Heating System: No heat in one locationComment: One of our zones (upstairs) is not supplying heat (blower works). It started yesterday morning. I replaced the humidifier filter and it worked yesterday afternoon and evening. This morning there is no heat again.Project: Gas Furnace - Install Location: Littleton, CODate: 02/22/23Kind of Heating System: Natural gas firedLocation: Home/ResidenceDesired Completion Date: Timing is flexibleRequest Stage: Ready to HireProject: Gas Furnace - Repair Location: Littleton, CODate: 02/21/23Current Heating System: Natural gas firedLocation: Home/ResidenceIs this an emergency?: NoDesired Completion Date: Timing is flexibleRequest Stage: Ready to HireProject: Heat Pump Install Location: Littleton, CODate: 02/21/23Install or Replace: Installing newHeating System Type: Gas-fired forced air (central heating)Heat pump type wanted: Want recommendationLocation: Home/ResidenceDesired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingComment: Looking for an estimate for purchase and installation in a 1500 square foot townhome for planning purposes when my Lennox furnace expires.