Two visits a year keep a Denver system ready for a 89.9°F July and a 5.8°F winter design temperature. Our tune-ups include combustion and CO testing, electrical checks, coil cleaning and an honest report on what is actually wearing out.
Licensed & insured • Family-owned since 2004 • Flat-rate pricing
✓ Upfront flat-rate pricing✓ Denver permits handled✓ Carrier, Lennox & Trane✓ All major brands serviced
HVAC Maintenance & Tune-Ups
HVAC Maintenance & Tune-Ups for Denver homes
Two visits a year keep a Denver system ready for a 89.9°F July and a 5.8°F winter design temperature. Our tune-ups include combustion and CO testing, electrical checks, coil cleaning and an honest report on what is actually wearing out.
Every visit starts with a real diagnosis, not a parts swap. You get the price, the reason and the options before we touch anything.
HVAC Maintenance & Tune-Ups in Denver: what’s different here
Denver’s pre-1940 housing means boilers, gravity furnaces, chimney-vented water heaters and houses with no ductwork at all show up far more often than in the suburbs.
Fall visit
Before the first freeze we test combustion and CO, check the heat exchanger, clean the flame sensor and verify the igniter.
Spring visit
Before cooling season we clean the condenser coil (cottonwood fluff and dust are the big clog here), test capacitors and check refrigerant against altitude-corrected targets for 5,280 feet.
Why it pays here
Denver’s pre-1940 housing means boilers, gravity furnaces, chimney-vented water heaters and houses with no ductwork at all show up far more often than in the suburbs.
Hytek pricing
HVAC Maintenance & Tune-Ups: Furnace tune-up $100 – $149; AC tune-up $100 – $129. Flat-rate, approved before work starts. Free estimates on replacements.
Elevation & climate
5,280 ft. Avg January low 18.7°F, avg July high 89.9°F, design temp 5.8°F, about 47 in of snow a year.
Homes
One in six Denver homes (16.9%) was built in 1939 or earlier (median year built 1975).
Utilities
Electric: Xcel Energy citywide. Gas: Xcel Energy.
Permits
Denver Community Planning & Development. Most residential equipment swaps are Quick Permits through Denver e-permits, with a separate Boiler and AC quick-permit type; contractors need a Denver license backed by a supervisor certificate.
Rebates and programs for Denver homeowners (2026)
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
Denver’s residential heat pump rebate (Climate Action Rebate) is fully subscribed and not available to single-family homes in 2026. Income-qualified homeowners in the Valverde neighborhood can get whole-home electrification through Xcel’s 2026 neighborhood retrofit pilot.
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.
HVAC Maintenance & Tune-Ups in Denver: common questions
How much does hvac maintenance & tune-ups cost in Denver?
Our published range is Furnace tune-up $100 – $149; AC tune-up $100 – $129. 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 Denver?
Repairs generally do not. Replacing or installing a furnace, AC, heat pump or water heater does. Permits for Denver addresses go through Denver Community Planning & Development. Most residential equipment swaps are Quick Permits through Denver e-permits, with a separate Boiler and AC quick-permit type; contractors need a Denver license backed by a supervisor certificate. We pull the permit and schedule the inspection.
What HVAC rebates are available in Denver in 2026?
For heat pumps: Xcel Energy’s 2026 heat pump rebates (the largest bonus goes to homes replacing gas heat); 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. Denver’s residential heat pump rebate (Climate Action Rebate) is fully subscribed and not available to single-family homes in 2026. Income-qualified homeowners in the Valverde neighborhood can get whole-home electrification through Xcel’s 2026 neighborhood retrofit pilot. Xcel’s gas furnace rebates ended Jan. 1, 2026, and the federal 25C credit does not apply to 2026 installs.
When should I book a tune-up in Denver?
Furnace: September or early October, before the first cold night. AC: April or May, before the first 85°F day. Service plan members get priority scheduling during the rushes.
Who provides gas and electricity in Denver?
Electric: Xcel Energy citywide. 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 Denver?
Yes. We serve all of Denver (ZIP 80202 to 80239), including Capitol Hill, Washington Park, Highland, Congress Park, Park Hill. 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.
Denver, CO
Need hvac maintenance & tune-ups in Denver?
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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