Two visits a year keep a Larkspur system ready for a 85.7°F July and a 3°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✓ Larkspur permits handled✓ Carrier, Lennox & Trane✓ All major brands serviced
HVAC Maintenance & Tune-Ups
HVAC Maintenance & Tune-Ups for Larkspur homes
Two visits a year keep a Larkspur system ready for a 85.7°F July and a 3°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 Larkspur: what’s different here
At about 6,880 feet on the Palmer Divide, Larkspur is roughly 650 feet higher than Castle Rock, with heavier snow and a mix of Black Hills gas, CORE electricity and propane.
Fall visit
Before the first freeze we test combustion and CO, check the heat exchanger, clean the flame sensor and verify the igniter. Black Hills gas customers can get up to $30 back on a furnace tune-up every three years.
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 6,880 feet.
Why it pays here
At about 6,880 feet on the Palmer Divide, Larkspur is roughly 650 feet higher than Castle Rock, with heavier snow and a mix of Black Hills gas, CORE electricity and propane.
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
6,880 ft. Avg January low 18°F, avg July high 85.7°F, design temp 3°F, about 57.5 in of snow a year.
Homes
Most Larkspur-area homes sit on large rural lots outside town limits.
Utilities
Electric: CORE Electric Cooperative. Gas: Black Hills Energy (propane on rural parcels).
Permits
Town of Larkspur (SAFEbuilt); Douglas County for most 80118 addresses outside town. The town only permits addresses inside its limits; most Larkspur-area homes, including Perry Park, permit through Douglas County.
Rebates and programs for Larkspur homeowners (2026)
Black Hills Energy 2026 gas rebates: For Black Hills gas customers: $260 (90% AFUE), $350 (95%) or $375 (97%) on a new furnace, up to $30 on a tune-up every 3 years, up to $100 on a smart thermostat. Source
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
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.
HVAC Maintenance & Tune-Ups in Larkspur: common questions
How much does hvac maintenance & tune-ups cost in Larkspur?
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 Larkspur?
Repairs generally do not. Replacing or installing a furnace, AC, heat pump or water heater does. Permits for Larkspur addresses go through Town of Larkspur (SAFEbuilt); Douglas County for most 80118 addresses outside town. The town only permits addresses inside its limits; most Larkspur-area homes, including Perry Park, permit through Douglas County. We pull the permit and schedule the inspection.
What HVAC rebates are available in Larkspur 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. Black Hills gas customers get $260–$375 on a new 90%+ furnace. 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 Larkspur?
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 Larkspur?
Electric: CORE Electric Cooperative. Gas: Black Hills Energy (propane on rural parcels). 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 Larkspur?
Yes. We serve all of Larkspur (ZIP 80118), including Perry Park, Sageport, Keene Ranch. 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.
Larkspur, CO
Need hvac maintenance & tune-ups in Larkspur?
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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