Carrier 96% furnace and 16 SEER2 AC for 1,600 sq ft 1987 ranch. Original Lennox system had been repaired four times in two years. Complete ductwork seal included.

Westminster, Colorado
Westminster HVAC Contractor
UniColorado is a licensed HVAC contractor serving Westminster with furnace installation, AC installation, heat pump systems, and ductless mini-splits. Westminster straddles Adams and Jefferson counties, which affects permitting jurisdiction depending on your address. The housing stock spans from 1960s-1970s ranches near the original city center to newer construction in the Bradburn and Orchard neighborhoods, with a large concentration of 1980s-1990s homes in the Countryside, Hyland Hills, and Standley Lake areas.
Westminster HVAC Experts
Family-owned & operated
Trusted by thousands of Westminster homeowners
Our Expertise
Westminster HVAC Services
Engineered for Colorado's extreme climate. We install, repair, and maintain systems built to handle altitude, dry air, and massive temperature swings.
Available RebatesWestminster
Rebates & Incentives for Westminster Homeowners
Westminster is served by Xcel Energy (electric) and Xcel Energy (gas). Here are the rebate programs you may qualify for.

About Us
Your Local Westminster HVAC Experts
Local HVACConsiderations
HVAC Challenges in Westminster's Dual-County Layout
5,384 ft elevationDual-County Permitting: Westminster straddles Adams and Jefferson counties. Which county handles your permit depends on which side of the boundary your address falls on. We verify jurisdiction before pulling permits so your inspection isn't delayed by a county mismatch - the boundary runs through established neighborhoods where neighbors across the street can be in different counties.
1980s-1990s Equipment Failure Wave: The Countryside, Hyland Hills, and Standley Lake neighborhoods represent Westminster's largest housing band, built with 80% AFUE furnaces and 10-13 SEER condensers that are 25-40 years old. These systems are well past expected service life and failing in volume. Many have had multiple repair cycles that exceeded the cost of replacement.
North-South Temperature Gradient: Westminster spans 5 miles from 72nd to 120th Avenue. The northern neighborhoods experience colder lows, more wind exposure, and slightly more snow than the southern sections closer to Denver. System sizing for a home near 120th should account for this difference rather than using a single Westminster climate assumption.
Big Dry Creek Cold Air Drainage: Homes along the Big Dry Creek corridor and near Standley Lake sit in natural cold air pooling zones where calm winter nights can produce temperatures 3-5 degrees below surrounding areas. This is a modest but real factor in heating load calculations for these specific locations.
Local Climate
Westminster sits at 5,384 feet in the north-central metro area, occupying the transitional terrain between Denver's urban core to the south and the open prairie to the north and northwest. The city's north-south orientation means neighborhoods at the 120th Avenue boundary experience noticeably different weather than those near 72nd Avenue - colder overnight lows, more exposure to northwest wind events, and slightly more snow accumulation from upslope storms that favor the northern metro. Standley Lake and the open space along Big Dry Creek create localized temperature inversions on calm winter nights, with cold air pooling in the creek corridors and running 3-5 degrees below surrounding neighborhoods. Summer brings typical Front Range heat with highs in the low-to-mid 90s and afternoon thunderstorm activity that includes hail - Westminster sits in the metro hail corridor that runs from Arvada northeast through Thornton.
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ZIP Codes We Serve in Westminster
5 ZIP codes in Westminster service area
Why ChooseUniColorado
Your Trusted Westminster HVAC Experts
Dual-County Licensing: Westminster spans Adams and Jefferson counties. We hold licensing in both and verify jurisdiction based on your specific address before pulling permits. No delays from county boundary confusion.
1980s-1990s Replacement Expertise: Countryside, Hyland Hills, and the Standley Lake area make up the bulk of our Westminster work. We know the builder-grade systems in these homes, the ductwork issues, and the panel situations before we arrive.
North-South Climate Awareness: Westminster spans 5 miles from 72nd to 120th Avenue with real temperature differences. We size equipment to your specific neighborhood's exposure, not a city-wide average.
Xcel Rebate Processing: Westminster is Xcel Energy territory. We verify heat pump rebates, HEAR income-qualified incentives, and Colorado state credits for every installation.
20-25 Minutes from Our Shop: Westminster is a comfortable drive from our Denver location for both installations and follow-up visits.
Honest Assessment: If your 30-year-old system can be repaired cost-effectively, we'll tell you. If it's time to replace, we'll explain why with actual numbers, not scare tactics.
Your SatisfactionIs Guaranteed
Our Westminster Homeowners Love Us
We're proud to consistently achieve 100% homeowner satisfaction. That's the UniCo way.
Chastity O.
My mother debra was a customer of theirs. They did an amazing job. My mom feels they were so hood to her. They were professional and supportive even when problems did arise. She appreciates all you did for her. She would recommend yall to anyone!!
Kyle M.
Aydin and team were absolutely fantastic. The install was efficient and smooth. By far the best value that we received quotes for.
Michael M.
Afshin and Aydin were great to work with! The whole process from solution design through installation went smoothly, all at a fair price. They were always responsive and the job finished on time. Couldn't recommend more.
Recent WorkWestminster
Recent Projects in Westminster
Real installations we've completed for Westminster homeowners.
Bosch IDS heat pump for 2,100 sq ft 1992 two-story. Replaced Goodman 80% furnace and 10 SEER AC. Panel upgrade from 100A to 200A.
Carrier 17 SEER2 condenser for 2,400 sq ft 1995 home. Original builder AC failed at 29 years. Existing furnace in good condition - replaced AC only.
Mitsubishi single-zone for a 1968 bi-level with a converted garage that had no heating or cooling. Dedicated outdoor unit with wall-mounted indoor head.
NotableLandmarks
Proudly Serving Westminster

Butterfly Pavilion

Standley Lake

Westminster City Park
Local History
The Story of Westminster
We Also Serve Nearby Communities
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