Evergreen · Installation

Heat Pump Installation in Evergreen

At about 7,162 feet, Evergreen is the highest community we serve, and many homes here heat with propane rather than piped gas. Both facts change the heat pump picture. Altitude cuts capacity, and propane is usually a costlier fuel to back up or replace than natural gas, which can make the heat pump's role bigger.

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All ZIPs80439, 80437

Colder and higher than the county numbers suggest

Jefferson County's ENERGY STAR heating design temperature is 5°F, but it's based on a Denver weather station nearly 2,000 feet lower. Evergreen nights are typically colder, and valleys along Bear Creek collect cold air. We use local conditions in the Manual J rather than the county default.

Altitude also matters on its own. NREL measured about 5–7% less heat pump capacity at 5,860 feet than at sea level, and the effect grows with elevation, so we apply a larger correction here and check each manufacturer's altitude limits and guidance. Our sizing guide explains the approach.

Evergreen at a Glance

Elevation
7,162 ft
County
Jefferson County (unincorporated census-designated place)
Permits
Jefferson County Building Safety (mechanical permit form covers furnace and boiler repair/replacement, radiant in-floor heat, natural gas…
Gas utility
Xcel Energy natural gas where lines exist (per a utility directory); propane is common on…
Electric utility
Xcel Energy primarily (per a utility directory); CORE Electric Cooperative also has a…
Winter design temp
5°F (Jefferson County, ENERGY STAR/ASHRAE 99%; based on Denver…
Gas furnace output loss
≈29% vs. sea level (about 4% per 1,000 ft)
Power Ahead rebate
Yes (unincorporated Jefferson County; county is a DRCOG member); existing homes only
Housing
4,071 housing units in the CDP (2020); inventory ranges from mountain cabins to custom estates; central Hiwan offers neighborhood-style living and north Hiwan has city…

Facts checked November 2026. Sources listed below.

Evergreen Climate Note

At about 7,162 feet, Evergreen averages about 81 inches of snow, with a January mean low near 12.5°F and a record low of -38°F. Furnaces need roughly a 29 percent altitude derate.

Neighborhoods We Serve

Hiwan, Bergen Park, Upper Bear Creek, Kittredge

Propane homes: where a heat pump helps most

On outlying properties in areas such as Upper Bear Creek, the furnace or boiler often runs on propane. Propane is generally more expensive per unit of heat than piped natural gas, so a cold-climate heat pump that carries the mild and moderate days can cut propane deliveries noticeably. Keeping the propane furnace for the coldest nights (dual fuel) gives you backup without big electric strips. Homes on Xcel natural gas in Hiwan or Bergen Park see a smaller fuel-cost difference, because piped gas is cheaper. Our dual-fuel guide shows how to set the switchover from your actual prices.

Homes with boilers and radiant floors are a different case. A standard air-source heat pump doesn't feed a hydronic system, so a ductless system for cooling and shoulder-season heat, with the boiler kept for deep winter, is the usual fit.

Snow, wildfire and access

We mount outdoor units on raised stands or wall brackets well above typical snow depth and away from roof edges where snow slides off. Defrost meltwater needs to drain away from decks and walkways so it doesn't build into ice. Wildfire mitigation is part of owning a home here, so we keep the unit clear of stacked firewood and dense vegetation and avoid tucking it under wooden decks. On steep lots, we pick a location a technician can safely reach in February.

Utilities and incentives

A utility directory lists Xcel Energy as the main electric provider, but CORE Electric Cooperative also serves part of mountain Jefferson County, so check your bill. Xcel customers can use Xcel's heat pump rebates; installers report they changed on October 1, 2026, so confirm amounts with Xcel. CORE's energy-efficiency page showed no heat pump rebate when we checked in November 2026. Evergreen is unincorporated, but Jefferson County is a DRCOG member, so Power Ahead Colorado's $1,500 applies to cold-climate air-source heat pumps in existing homes with contractor pre-approval. Colorado's air-source credit adds $1,000 this year, at least $333 of it as a discount on your bill from the installer. Federal 25C is over.

Permits and panels

Jefferson County Building Safety issues the mechanical permit, with a separate electrical permit for the new circuit. Cabins and older mountain homes sometimes have small electrical services, so we check panel capacity before suggesting electric backup. HomeGuide's national range for a 100-to-200-amp upgrade is $1,300–$1,600, though mountain service work can run higher.

Heat Pump Installation FAQs — Evergreen

Is a heat pump realistic at Evergreen's elevation?

Yes, with a cold-climate model sized using local temperatures and an altitude correction, plus backup heat for the coldest nights.

I heat with propane. Will a heat pump save money?

Often, yes, because propane usually costs more per unit of heat than natural gas. A dual-fuel setup lets the heat pump carry most of the season and the propane furnace cover the extremes.

Does CORE Electric offer a heat pump rebate?

Its energy-efficiency page listed none when we checked in November 2026. Call CORE to confirm, and check Power Ahead and the state credit, which don't depend on your utility.

Who issues permits in Evergreen?

Because the community is unincorporated, the county issues them. We file both the mechanical and electrical applications with Jefferson County Building Safety.

Can a heat pump work with my radiant floor boiler?

Not directly with a standard air-source unit. A ductless system for cooling and mild-weather heat, with the boiler for deep cold, is the usual approach.

Signs You Need Heat Pump Installation

01

You want to cut your gas bill significantly

03

Interested in green/electric home upgrades

02

Replacing both AC and furnace at once

04

Have solar or want to maximize solar offset

Heat Pump Installation Near Evergreen

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