Replacing a furnace in Foxfield means sizing for a 3°F winter design temperature, venting correctly at 5,807 feet, and pulling the right permit. We quote flat-rate, and the price we quote is the price you pay.
Licensed & insured • Family-owned since 2004 • Flat-rate pricing
✓ Upfront flat-rate pricing✓ Foxfield permits handled✓ Carrier, Lennox & Trane✓ All major brands serviced
Furnace Replacement
Furnace Replacement for Foxfield homes
Replacing a furnace in Foxfield means sizing for a 3°F winter design temperature, venting correctly at 5,807 feet, and pulling the right permit. We quote flat-rate, and the price we quote is the price you pay.
Every visit starts with a real diagnosis, not a parts swap. You get the price, the reason and the options before we touch anything.
See our main furnace replacement page for how we approach this work across the metro.
Furnace Replacement in Foxfield: what’s different here
Foxfield is CORE for electricity and Xcel for gas, so heat pump operating costs follow CORE’s rates. Long duct runs and detached outbuildings are common on its large lots.
Altitude derate
Gas appliances are derated roughly 4% per 1,000 feet above 2,000 feet (the fuel gas code rule), so at 5,807 feet a furnace needs the correct orifices and manifold pressure to deliver its rating. We set it up for Foxfield, not sea level.
Rebates in 2026
Xcel’s gas furnace rebates ended Jan. 1, 2026, and the federal 25C credit ended for anything installed after Dec. 31, 2025. If rebates matter, a cold-climate heat pump is where the money is.
Permit
Furnace, AC, water heater and gas fireplace work are One-Stop Permits, and new or relocated ductwork also needs a permit.
Hytek pricing
Furnace Replacement: $3,500 – $8,500 installed. Flat-rate, approved before work starts. Free estimates on replacements.
Elevation & climate
5,807 ft. Avg January low 19°F, avg July high 87.3°F, design temp 3°F, about 49 in of snow a year.
Homes
Foxfield is almost entirely large-lot single-family homes built from the 1970s through the 1990s (median year built 1982).
Utilities
Electric: CORE Electric Cooperative. Gas: Xcel Energy.
Permits
Town of Foxfield (SAFEbuilt). Furnace, AC, water heater and gas fireplace work are One-Stop Permits, and new or relocated ductwork also needs a permit.
Rebates and programs for Foxfield homeowners (2026)
CORE Cool Credits: CORE Electric members with central AC or a heat pump earn bill credits for letting an eligible smart thermostat take part in summer demand events. Source
Arapahoe County Weatherization Assistance: Free efficiency work for income-qualified households, including furnace and water heater safety testing and furnace replacement where eligible (303-636-1982). Source
Power Ahead Colorado: $1,500 off a new ENERGY STAR cold-climate heat pump (ducted or ductless) in an existing home. Needs pre-approval through a Power Ahead-badged contractor before work starts; stacks with utility and state incentives. Source
Colorado heat pump tax credit: $1,000 for air-source systems in 2026, claimed by a registered contractor who must pass at least a third to you as an invoice discount.
How much does furnace replacement cost in Foxfield?
Our published range is $3,500 – $8,500 installed. Every Hytek job is quoted flat-rate and approved before work begins, so the price you agree to is the price you pay. Replacements get free in-home estimates; see the full HVAC cost guide for the other services.
Do I need a permit for HVAC work in Foxfield?
Repairs generally do not. Replacing or installing a furnace, AC, heat pump or water heater does. Permits for Foxfield addresses go through Town of Foxfield (SAFEbuilt). Furnace, AC, water heater and gas fireplace work are One-Stop Permits, and new or relocated ductwork also needs a permit. We pull the permit and schedule the inspection.
What HVAC rebates are available in Foxfield in 2026?
For heat pumps: no Xcel electric rebate, because CORE Electric offers thermostat credits rather than a heat pump rebate; the $1,500 Power Ahead Colorado rebate (pre-approval required); Colorado’s $1,000 air-source heat pump credit, at least a third of which the installer must pass to you as a line-item discount. Xcel’s gas furnace rebates ended Jan. 1, 2026, and the federal 25C credit does not apply to 2026 installs.
How long do furnaces last in Foxfield?
Typically 15–20 years here. With a median home built in 1982, many Foxfield houses are on their second or third furnace. Age alone is not a reason to replace; a cracked heat exchanger, repeated repairs over about $1,000, or a unit under 80% AFUE is.
Who provides gas and electricity in Foxfield?
Electric: CORE Electric Cooperative. Gas: Xcel Energy. That matters because rebates, operating costs and who you call about a gas leak all depend on the utility.
Does Hytek serve my part of Foxfield?
Yes. We serve all of Foxfield (ZIP 80016). Call (303) 627-3395 or request service online.
Local data: U.S. Census Bureau (2025 population estimates; ACS 2020–2024 housing age), NOAA 1991–2020 climate normals, and city, county and utility program pages, checked September 2026. Rebates change; we confirm eligibility on your address when we quote.
Foxfield, CO
Need furnace replacement in Foxfield?
Flat-rate pricing, approved before work starts. Family-owned in Centennial since 2004.
Before the first cold snap: our 20-point furnace checkup covers the heat exchanger, gas pressure, carbon monoxide output, igniter, flame sensor and filter, with a written report. Flat-rate, 60 to 90 minutes.
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New customers: get your furnace cleaned and checked for before the first cold snap. When it gets cold, everybody calls at once. Grab a spot now while the schedule is open.
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