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UniColorado
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Westminster cityscape

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.

10+ Years Serving Westminster
500+ Installations
License #2020 1864747 00 CL

Westminster HVAC Experts

Family-owned & operated

Free in-home estimates
100% satisfaction guarantee
Licensed & insured locally

Trusted by thousands of Westminster homeowners

Free Estimates
100% Satisfaction Guarantee
BBB A+ RatingMitsubishi Diamond ContractorNATE CertifiedHomeAdvisor Top RatedYelp 5-Star Rating
Green Business Colorado
BPI CertifiedGoogle Guaranteed

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.

11+Years serving Westminster
390+Westminster homeowners served
100%Satisfaction guarantee
UniColorado Heating & Cooling

About Us

Your Local Westminster HVAC Experts

Westminster is one of those cities where the permitting question comes up on almost every job. The city straddles Adams and Jefferson counties, and which county has jurisdiction depends on which side of the boundary your address falls on. The line runs through established neighborhoods - you can have two neighbors across the street in different counties. We verify jurisdiction before pulling permits, because getting it wrong means your inspection gets routed to the wrong authority and the job stalls. The core of our Westminster work comes from the 1980s-1990s housing band - Countryside, Hyland Hills, Shaw Heights, and the Standley Lake area. These neighborhoods were built with builder-grade equipment that was designed for a 15-year lifespan. Most of those systems are now 25-40 years old, well past any reasonable service life, and have been through multiple repair cycles. At some point, continued repair stops making economic sense. We see a lot of homeowners in these neighborhoods who have spent $2,000-3,000 on repairs in the past 2-3 years and are ready to replace. Westminster's position in the north-central metro also means it catches more of the northwest weather than cities to the south. The northern neighborhoods near 120th Avenue experience colder lows and more wind exposure than the sections near 72nd Avenue closer to Denver. We factor this north-south gradient into our load calculations rather than using a single city-wide number.
BBB A+ Rated
NATE Certified
Mitsubishi Diamond

Local HVACConsiderations

HVAC Challenges in Westminster's Dual-County Layout

5,384 ft elevation
  • Dual-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

Full service areaExtended coverage

5 ZIP codes in Westminster service area

Why ChooseUniColorado

Your Trusted Westminster HVAC Experts

1

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.

2

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.

3

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.

4

Xcel Rebate Processing: Westminster is Xcel Energy territory. We verify heat pump rebates, HEAR income-qualified incentives, and Colorado state credits for every installation.

5

20-25 Minutes from Our Shop: Westminster is a comfortable drive from our Denver location for both installations and follow-up visits.

6

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.

5.0
Google Reviews (138)

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!!

Google Review

Kyle M.

Aydin and team were absolutely fantastic. The install was efficient and smooth. By far the best value that we received quotes for.

Google Review

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.

Google Review

Recent WorkWestminster

Recent Projects in Westminster

Real installations we've completed for Westminster homeowners.

Furnace + AC ReplacementSeptember 2025
Countryside, Westminster

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.

Heat Pump InstallationNovember 2025
Hyland Hills, Westminster

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.

AC ReplacementJuly 2025
Standley Lake Area, Westminster

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.

Mini-Split SystemAugust 2025
Shaw Heights, Westminster

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 in Westminster, CO

Butterfly Pavilion

Standley Lake at sunset in Westminster, CO

Standley Lake

Westminster City Park trail system

Westminster City Park

Local History

The Story of Westminster

Westminster was established in the 1870s as a small community along the Denver-to-Boulder road, named after Westminster University (which later closed). The city grew slowly through the early 20th century as an agricultural area before rapid suburban development began in the 1950s and accelerated through the 1980s and 1990s. Westminster's unique geographic position straddling Adams and Jefferson counties became an administrative challenge as the city grew, though it has never consolidated into a single county like Broomfield did. The Butterfly Pavilion, opened in 1995 near 104th Avenue, became one of the city's most recognized attractions. Westminster's Downtown area has been undergoing significant redevelopment since the mid-2010s, anchored by the Westminster Station commuter rail stop on the B Line to Union Station. Today Westminster is home to roughly 115,000 residents and continues evolving from a traditional bedroom community into a more mixed-use city with its own employment centers and cultural amenities.

AnsweringYour Questions

Frequently Asked Questions

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