HVAC Guide: Castle Pines Village

A gated community built over four decades

Wikipedia's entry on Castle Pines Village records its founding in 1981 as a gated residential community, the same year Castle Pines Golf Club opened; the club hosted the PGA Tour's International from 1986 through 2006. The community was renamed The Village at Castle Pines in 2018. It counted 1,733 housing units and 4,327 residents in the 2020 census, with a median age of 52.3.

The Homes Association describes a fully gated, private neighborhood on 2,800 acres with five staffed entry gates. Mailing addresses use Castle Rock 80108, but the Village is neither part of Castle Rock nor of the City of Castle Pines; it is unincorporated Douglas County. Elevation runs from roughly 6,000 to 6,500 feet.

No two systems are alike

Because most Village homes are custom-built, there is no standard equipment package to assume. Recent listings show the range: a 1993 home of about 5,700 square feet with gas forced air plus radiant floor heat and an attic fan; a 2004 home of about 3,500 square feet with gas forced air, a tankless water heater and a furnace replaced in 2022; and a 2006 home of about 4,800 square feet with gas heat and central air.

Large custom homes often have two or more furnaces, zoned ductwork, or a boiler serving radiant floors alongside a forced-air system for cooling. Before a service call, it helps to know how many furnaces, condensers and boilers you have and where each one sits. Radiant systems need their own care, including pump, expansion tank and boiler venting checks, separate from the furnace and AC. Our seasonal tune-up page lists what a full visit covers.

Homes from the 1980s and early 1990s that have never had a replacement are now well past typical equipment life, and any outdoor unit made before 2010 likely holds R-22, which has only been available from reclaimed supply since 2020.

Design Review Committee and golf course approval

The Castle Pines Homes Association, established in 1981, runs design review. Its Design Review Committee reviews and approves all proposed exterior improvements in the Village; in 2023 it reviewed 18 new construction projects, 109 home improvement projects and 82 landscape projects. Where a home belongs to a sub-association, that review comes first, then the Master DRC. Changes that encroach on a golf course setback or alter the golf course view also need golf course approval.

The DRC's public page does not spell out rules for condensers, heat pumps or generators, so treat any new or relocated outdoor equipment as an exterior improvement and ask before you schedule. The DRC meets at 8 a.m. on the third Wednesday of each month, and the Homes Association can be reached at 303-814-1345 or drc@thevillagecastlepines.com. A Renewable Energy Guidelines document is also posted for solar and similar projects.

With five staffed gates, let the gatehouse know when an HVAC contractor is expected, especially for after-hours or emergency calls.

On wildfire smoke days, EPA recommends MERV 13 filters, more fan run time, closed outdoor-air intakes and more frequent filter changes. Large custom homes with several air handlers need a filter of the right size and rating for each one, and a technician can confirm that a denser filter will not starve a blower of air.

Permits and altitude

Because the Village is unincorporated, HVAC permits come from the Douglas County Building Division rather than the City of Castle Pines. A permitted gas appliance replacement also means the home must have carbon monoxide alarms outside each bedroom, within 15 feet of the door.

At about 6,100 feet and up, gas furnaces lose roughly a quarter of their sea-level input under the usual 4%-per-1,000-feet derate, and cooling capacity is reduced too. Correct orifices, gas pressure and blower settings matter on every install. Any new gas furnace must also be a low-NOx (14 ng/J) model or carry the latest ENERGY STAR certification under the 2026 state rule. Read our altitude guide and furnace installation page for details.

Heat pumps and incentives

Our sources did not confirm the utility providers for the Village itself; much of the Castle Pines area buys gas from Black Hills Energy and power from CORE Electric Cooperative, so check your bills. If those are your utilities, Xcel Energy's rebates do not apply, but Black Hills' 2026 Colorado gas rebates pay $260 to $375 on a qualifying high-efficiency furnace installed this year, and the paperwork has to be in by the end of January 2027.

For a heat pump, there is a $1,000 state tax credit that your registered contractor claims, with no less than $333 showing up as a discount on your bill, and existing homes can add Power Ahead Colorado's $1,500 cold-climate rebate if the contractor reserves it first. The federal 25C credit has ended. In a large home, a heat pump commonly runs alongside the existing furnace or boiler rather than replacing it outright.

Castle Pines Village HVAC Questions

Who issues HVAC permits in Castle Pines Village?

The Douglas County Building Division. The Village is unincorporated, so the City of Castle Pines Building Department does not handle its permits.

Do I need DRC approval to replace an outdoor AC unit?

The DRC reviews all proposed exterior improvements, and sub-association review comes first where one exists. A same-spot replacement is the simplest case, but confirm with the Homes Association at 303-814-1345 before relocating or adding equipment.

My Village home has radiant floors and forced air. Who services both?

Both systems need regular attention: the boiler, pumps and venting for radiant, and the furnace and AC for forced air. MrFixer works on furnaces, AC and heat pumps; call (720) 466-7983 to discuss your setup.

How much heating capacity does altitude cost in the Village?

Using the standard 4% derate per 1,000 feet, a gas furnace at roughly 6,100 to 6,500 feet loses about a quarter of its rated sea-level input, which has to be accounted for in sizing.