Aurora, CO · 2026
Furnace repair in Aurora
By the HeatAndAirCost editors · Last updated October 5, 2026 · How we research prices
Short answer
A furnace repair in Aurora typically costs $125 to $480, with a national average near $350 and a $75 to $200 diagnostic fee before parts. Aurora borders Denver International Airport on the city's northeast edge, and the NOAA station there counts about 156 nights a year at 32°F or below, so a furnace here carries a long, genuine workload.[1]
Thin air and a long heating season on Aurora's plains
The NOAA station at Denver International Airport, which sits along Aurora's northeast border, shows about 5,862 heating degree days a year against only 850 cooling degree days, plus roughly 156 nights a year at 32°F or below. That is a heating-dominated climate, and it means a gas furnace in Aurora logs far more run hours over a year than the air conditioner ever does.
Elevation plays its own role here. At a mile or so above sea level, the air holds less oxygen than it does at sea level, so a gas furnace has to be derated, meaning its input firing rate is reduced from what the same model burns at sea level, per the manufacturer's altitude tables. A furnace installed as though it were at low elevation can run rich, soot its burners, and nuisance-trip on flame or limit faults, which is a real and recurring source of no-heat calls along the Front Range.
Aurora's open plains east of Denver also see fast temperature swings, with a mild afternoon sometimes giving way to a sharp overnight drop, and that cycling finds a weak igniter or a marginal flame sensor quickly. Before calling for service, check that the filter is clean and that the thermostat has power, since a clogged filter restricts airflow and can trigger the same symptoms as a bigger problem.
Furnace licensing and permits in Aurora
The City of Aurora requires contractors to hold the appropriate city license to build, construct, alter, repair, add to, demolish or move any building or structure in Aurora.
Aurora also publishes a contractor lookup tool that shows which contractors are licensed to work in the city. Search for a furnace contractor there before you hire them.[3]
What tends to fail in Aurora's long heating season
Cold nights and altitude-sensitive combustion combine to produce a short list of common failures. Rule out the free checks first.
- Furnace won't turn on. A dead thermostat battery, a tripped switch, or a clogged filter can all shut a furnace down before a technician is ever needed. Check these first on a cold Aurora night.
- Furnace runs but blows cold air. A burner that won't stay lit, often a flame sensor or igniter problem, can let the blower run while the air stays cold. Altitude-related rich combustion can make this worse here.
- Furnace short cycles on cold mornings. A dirty filter, an overheating limit switch, or an oversized furnace that satisfies the thermostat too quickly can all cause short cycling. Aurora's sharp overnight temperature drops make this easy to notice.
Aurora neighborhoods our network covers
Independent, licensed contractors in our network reach these Aurora-area communities:
Southlands · Tollgate Crossing · Saddle Rock · Heather Ridge · Mission Viejo · Buckingham · Fitzsimons · Murphy Creek · Conservatory · Blackstone · Commerce City · Centennial
We are not a contractor and do not have an office in Aurora. We connect you with independent, licensed HVAC contractors who serve these areas.
Aurora by the numbers: climate, energy prices, homes and contractors
Federal figures for Aurora, each linked to its source and dated. They describe local conditions; they are not quotes and do not rate any business.
How hard Aurora's climate works an HVAC system
Degree days count how far each day's average temperature sits from 65°F. Heating is the bigger job here. A normal year carries about 6.9 times as many heating degree days as cooling degree days, so the furnace or heat pump logs far more run time than the air conditioner. At this station the normal summer high is 87°F (June through August) and the normal winter low is 19°F (December through February).
Source: NOAA NCEI U.S. Climate Normals, 1991 to 2020, station DENVER INTL AP (USW00003017), 9.2 miles from the Census center point of Aurora. Denver International Airport borders Aurora on the northeast; the nearest-airport rule picked the Stapleton station already used for the Denver page. Data as of 1991-2020. Retrieved October 5, 2026.
What electricity and natural gas cost in Colorado
Homes in Colorado paid an average of 15.85 cents per kilowatt-hour in 2025, 8% below the U.S. average of 17.30 cents. Natural gas delivered to homes averaged $10.58 per thousand cubic feet in 2024, 27% below the U.S. figure of $14.50. Most Aurora homes heat with utility gas (see the next block), so the gas price drives the winter bill, while the furnace blower and controls draw electricity. Comparing a repair quote against the cost of a new unit? Our furnace replacement cost guide has the ranges.
Source: U.S. Energy Information Administration, Colorado state energy profile and electricity data browser (average retail price, residential sector), and natural gas prices by state (price delivered to residential consumers). The $ per 1,000 kWh figure is the state average price times 1,000. Data as of 2025 / 2024. Retrieved October 5, 2026.
How Aurora homes heat, and how old they are
Utility gas heats 62% of occupied homes in Aurora and electricity heats 34%, so a gas furnace is the most common setup. The usual gas-furnace failures are covered in furnace not turning on. Half of the city's housing units were built in 1985 or earlier, and 37% predate 1980, while 15% went up in 2010 or later. Our HVAC lifespan guide explains how long furnaces, air conditioners and heat pumps typically last.
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates for Aurora city, Colorado, table B25040 (House Heating Fuel) and table B25034 (Year Structure Built). Survey estimates carry margins of error; percentages are our arithmetic on the published counts. Data as of 2020-2024. Retrieved October 5, 2026.
Plumbing, heating and air-conditioning businesses in Arapahoe County
The Census Bureau counted 251 plumbing, heating and air-conditioning contractor establishments in Arapahoe County in 2023, with 3,182 employees between them. The industry code (NAICS 238220) includes plumbers and counts business locations, not licenses, so treat it as an upper bound on HVAC firms. It names no company; check any contractor's license before you hire.
Source: U.S. Census Bureau, County Business Patterns 2023, NAICS 238220 (program overview). Payroll per employee is annual payroll divided by employees. Data as of 2023. Retrieved October 5, 2026.
What HVAC technicians earn in the Denver-Aurora-Centennial, CO area
The median heating, air-conditioning and refrigeration mechanic in the Denver-Aurora-Centennial, CO metro area earned $71,580 a year in May 2025, 17% above the national median of $61,010. An invoice adds parts, travel, overhead and margin to that wage, so read it as context for labor rates, not a price; our service call cost guide breaks a bill down.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025, metropolitan areas, occupation 49-9021, area code 19740 (data file). The U.S. comparison uses the national estimate from the same release. Data as of May 2025. Retrieved October 5, 2026.
Know a fair price first
Before you accept any furnace repair quote in Aurora, compare it against our researched national ranges on the furnace repair cost page. If your system is older and the quote is steep, run the $5,000 rule and check furnace replacement cost before you commit[2].
Before you call: try the free checks
Not every heating problem is a repair. Work through the no-tool checks on our furnace not turning on and furnace blowing cold air guides, and read how to choose an HVAC contractor before you hire.
More guides for Aurora homeowners
Start from the symptom you are seeing on the HVAC troubleshooting hub or the HVAC symptoms index, then check the fair price for the repair you are quoted.
Other cities we cover
Labor rates and the failures that show up first change with the climate, so the city pages are written one at a time rather than stamped out. Every metro we have published so far is on the service areas hub.
Nearest city guides
- Furnace repair in Denver, CO (9 miles away)
- AC repair in Colorado Springs, CO (58 miles away)
- AC repair in Albuquerque, NM (335 miles away)
- AC repair in Amarillo, TX (350 miles away)
- Furnace repair in Salt Lake City, UT (387 miles away)
- AC repair in Lubbock, TX (453 miles away)
How this works, and how we get paid
HeatAndAirCost connects homeowners with independent, licensed HVAC contractors. The service is free to you: contractors pay us, and that never changes what you pay. We are not a contractor, we do not perform repairs, and the prices on this site are researched ranges, not quotes.
- Free to homeowners
- Independent licensed contractors
- Contractors pay us, not you
- Researched price ranges, not quotes
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Is this covered by a home warranty?
A home warranty is an annual service contract that pays to repair or replace covered home systems and appliances when they fail from normal use, in exchange for a monthly premium and a fixed service fee per visit. It does not cover a failure that has already happened or a fault that existed before the plan started, so it only helps if it is in place before the breakdown.
Choice Home Warranty pays us a referral fee for a quote request made through this link. You pay nothing extra. We do not sell warranties and we are not an insurer.
People also ask
Aurora furnace repair FAQs
What does furnace repair typically cost in Aurora?
Most furnace repairs run $125 to $480, with a national average near $350 and a $75 to $200 diagnostic fee before parts. A blower motor or igniter replacement costs more than a simple flame sensor fix. These are researched 2026 national figures, not a quote from an Aurora contractor.
Does Aurora's location near the airport affect furnace service?
Not directly, though the Denver International Airport NOAA station near Aurora's border gives a good read on local winter severity, including about 156 nights a year at 32°F or below. That cold, dry climate is what actually drives the long furnace season, not the airport itself.
Why does my furnace trip or run rough in Aurora?
At Aurora's elevation near a mile above sea level, a furnace needs its input firing rate derated for the thinner air, and one set up as if it were at sea level can burn rich and trip on flame or limit faults. It is worth asking a technician whether your furnace's derate was ever confirmed.
Who licenses furnace contractors in Aurora?
The City of Aurora licenses contractors who build, alter or repair buildings in the city, and its online contractor lookup shows who is licensed to work there. Check a furnace contractor in that tool before hiring.
What is the $5,000 rule for HVAC?
Take the furnace's age in years and multiply it by the repair quote for a fast read. A $380 repair on an 11-year-old furnace scores 4,180, still under the $5,000 line, so repair holds up. The same $380 quote on a 14-year-old furnace reaches 5,320, past the point where a new furnace is the better value.
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