Larkspur, CO — Douglas County

Larkspur Heating & Cooling

Family-owned since 2004 and based in Centennial, Hytek repairs, replaces and maintains furnaces, air conditioners, heat pumps and water heaters across Larkspur. Flat-rate prices, approved before we start.

Licensed & insured • Family-owned since 2004 • Flat-rate pricing

✓ Upfront flat-rate pricing✓ Larkspur permits handled✓ Carrier, Lennox & Trane✓ All major brands serviced
Services in Larkspur

Everything your Larkspur home needs

Most Larkspur-area homes sit on large rural lots outside town limits. 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.

$150 – $900+

AC Repair

When the AC quits in Larkspur, the July average high is 85.7°F and the upstairs bedrooms go first. We diagnose the actual failure, quote a flat price before any work, and carry the common parts on the truck.

$150 – $1,200+

Furnace Repair

Larkspur plans around a 3°F winter design temperature. When the furnace stops, we find the failed part, give you a flat price before we start, and fix most problems on the first visit.

$3,800 – $10,000 installed

AC Installation

A new AC in Larkspur should be sized to your house at 6,880 feet, not copied from the old unit’s label. We run a load calculation, quote flat-rate, pull the Town of Larkspur (SAFEbuilt); Douglas County for most 80118 addresses outside town permit and handle the paperwork.

$3,500 – $8,500 installed

Furnace Replacement

Replacing a furnace in Larkspur means sizing for a 3°F winter design temperature, venting correctly at 6,880 feet, and pulling the right permit. We quote flat-rate, and the price we quote is the price you pay.

$6,000 – $15,000 before rebates

Heat Pump Installation

Cold-climate heat pumps work in Larkspur, including on a 3°F winter design temperature nights, when they are sized and set up correctly. We design the system, pair it with backup heat where it makes sense, and line up every rebate your address qualifies for.

$150 – $1,200+

Heat Pump Repair

Heat pumps in Larkspur run all year, heating in winter and cooling in summer, so they wear faster than a furnace or AC alone. We diagnose defrost, reversing valve, refrigerant and control faults and quote the fix before we start.

$900 – $2,800 installed (replacement)

Water Heater Repair & Replacement

No hot water in Larkspur? We repair and replace tank and tankless water heaters, gas and electric, and handle the Town of Larkspur (SAFEbuilt); Douglas County for most 80118 addresses outside town permit when a replacement needs one.

Quoted per zone

Ductless Mini-Split Installation

Ductless mini-splits heat and cool rooms the central system never reached, such as additions, basements, garages and bonus rooms over the garage. We design by zone and install cold-climate models rated for Colorado winters.

Furnace tune-up $100 – $149; AC tune-up $100 – $129

HVAC Maintenance & Tune-Ups

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.

Flat-rate, quoted before work

Emergency HVAC Repair

No heat on a 18°F night or no AC on a 85.7°F afternoon in Larkspur? Call (303) 627-3395. We dispatch from Centennial and give you a flat price on the phone before anyone starts work.

Larkspur, CO — local facts

HVAC 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.

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.

More Hytek services in Larkspur

Larkspur neighborhoods we serve

Perry Park, Sageport, Keene Ranch — ZIP 80118

HVAC service near Larkspur

HVAC in Larkspur: common questions

How much does HVAC service cost in Larkspur?

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.

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 service in Larkspur?

Flat-rate pricing, approved before work starts. Family-owned in Centennial since 2004.

Call (303) 627-3395
Or schedule online →

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