Furnace Repair in Highlands Ranch, CO
From Northridge to Backcountry, Highlands Ranch is full of homes that lean hard on their furnaces from fall through spring. Mission Mechanical is right next door in Lone Tree, so we're close by when your heat quits. Kodiak the bear doesn't love a cold den, and we figure you don't either.
Furnace not heating? Call (720) 390-0699. Our office is open Monday–Friday, 8 AM–5 PM, and 24/7 emergency service is available after hours and on weekends.
Signs Your Furnace Needs Repair
- Cold or lukewarm air from the vents
- Short-cycling (turning on and off every few minutes)
- Banging, squealing, or grinding noises
- Uneven heat or a sudden jump in your heating bill
- Carbon monoxide alarm sounding (leave the home and call 911 or your gas utility first)
What We Fix
We service all HVAC equipment, whatever the make, including:
- Igniters and flame sensors
- Blower and inducer motors
- Gas valves and burners
- Control boards, limit and pressure switches
- Thermostats and wiring
- Condensate drains and airflow problems
If repair doesn't make sense for an older furnace, we'll say so plainly. If you replace, financing is available. Mission participates in the Xcel Energy rebate program and Colorado Power Ahead, so ask us what may apply to your new system.
Local Furnace Help for Highlands Ranch Homes
Highlands Ranch sits at roughly 5,800 to 5,900 feet. At that elevation, there's less oxygen for combustion, so gas furnaces need to be set up and adjusted for high-altitude operation. A furnace that isn't tuned for elevation can burn inefficiently, trip safety switches, or wear out parts early.
We serve all four Highlands Ranch areas: Northridge, where many of the community's older homes are; Eastridge near Lone Tree and Palomino Park; Westridge and Town Center; and Southridge, plus the Backcountry neighborhood near the Backcountry Wilderness Area. Whether you're near the Highlands Ranch Mansion or Highlands Ranch Golf Club, we can get to you.
Big temperature swings, dry air, dust, and wildfire smoke are all part of Colorado living, and all of them add wear and tear to a furnace.
Highlands Ranch ZIP codes we serve: 80126, 80129, and 80130.
Not in Highlands Ranch? We also serve Littleton, Centennial, Lone Tree, Parker, Castle Rock, Englewood, Greenwood Village. See all of our HVAC service areas, or read about furnace repair in Littleton.
Our Furnace Repair Process
- Call (720) 390-0699 and we'll schedule a visit.
- We find the root cause, not just the symptom.
- We explain your options and pricing before any work begins.
- We make the repair.
- We test your furnace for safe, correct heating before we leave.
Furnace Repair FAQ
Do you offer emergency furnace repair in Highlands Ranch?
Yes. We offer 24/7 emergency service. Our regular office hours are Monday–Friday, 8 AM–5 PM, and we're closed weekends for routine appointments. If your heat goes out after hours, call (720) 390-0699.
How do I know if my furnace needs repair or replacement?
If your furnace is under about 15 years old and the repair is reasonable, repair usually makes sense. If it's older, needs frequent repairs, or a major part like the heat exchanger has failed, replacement may be the better value. We'll give you an honest recommendation either way, and financing is available.
Does high altitude affect furnaces in Highlands Ranch?
Yes. At roughly 5,800 to 5,900 feet, gas furnaces need to be properly set up for high-altitude combustion. Incorrect setup can lead to poor efficiency, safety shutoffs, and shorter equipment life.
What should I do if I smell gas?
Leave your home right away, don't flip switches or use your phone inside, and call your gas utility or 911 from a safe place. Once the utility says it's safe, call us for repairs.
Do you serve Backcountry and all four Highlands Ranch areas?
Yes. We serve Northridge, Eastridge, Westridge, Southridge, and Backcountry, across ZIP codes 80126, 80129, and 80130.
Prevent the Next Breakdown
Many no-heat calls start as small problems a tune-up can catch. Ask about our $99 End of Year Special furnace tune-up (about 1 hour; filter not included), or look into our home maintenance plan.
Get Your Highlands Ranch Furnace Fixed
Don't spend another night in a cold house. Call Mission Mechanical at (720) 390-0699 to schedule furnace repair in Highlands Ranch.
Hours: Monday–Friday, 8 AM–5 PM (closed weekends) • 24/7 emergency service available • Financing available

