Mitsubishi Hyper-Heating 4-zone for 5,200 sq ft custom home. Replaced 25-year-old dual furnace system. Full electrification.

Castle Pines, Colorado
Castle Pines HVAC Contractor
UniColorado is a Douglas County licensed HVAC contractor serving Castle Pines Village, Castle Pines North, and the surrounding area. With 215+ installations in custom homes and luxury properties, we handle furnace installation, AC installation, heat pump systems, and multi-zone ductless configurations for homes that often exceed 4,000 sq ft. Every system is sized for Castle Pines' 6,200-foot elevation - not Denver metro defaults.
Castle Pines HVAC Experts
Family-owned & operated
Trusted by thousands of Castle Pines homeowners
Our Expertise
Castle Pines 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 RebatesCastle Pines
Rebates & Incentives for Castle Pines Homeowners
Castle Pines is served by Xcel Energy (electric) and Xcel Energy (gas). Here are the rebate programs you may qualify for.

About Us
Your Local Castle Pines HVAC Experts
Local HVACConsiderations
HVAC at 6,200 Feet
6,200 ft elevationAt 6,200 feet, equipment derates significantly from nameplate ratings. A furnace rated at 100,000 BTU delivers approximately 82,000 BTU at Castle Pines elevation. A 5-ton AC delivers roughly 4.3 tons of actual cooling. We apply altitude-corrected Manual J calculations for every job - not Denver-based rules of thumb.
Village homes with three levels (walkout basement, main floor, upper floor) often need independent systems per level. Single-system designs with zoning dampers struggle with the load diversity across levels that face different sun exposure and have different insulation generations. We assess each floor independently before recommending a configuration.
Castle Pines North homes built 2005-2012 are now 14-20 years old. Original builder-grade equipment (commonly Lennox or Trane) is reaching end of life on an accelerated schedule due to the altitude and temperature swings. Many homeowners in Canyonside and The Retreat are entering their first major replacement decision.
Gated community access for the Village requires coordination with security, verified gate codes, and planned vehicle access for equipment delivery. We treat this as a scheduling requirement, not an afterthought - and we design the installation timeline to complete in a single visit when possible to avoid repeat access requests.
Many Village homes have 20-30 ft vaulted ceilings in great rooms. Hot air rises and pools at the ceiling, leaving the living area cold regardless of what the thermostat reads. Ceiling fans on reverse (updraft) mode help redistribute heat, but the equipment-level solution is variable-speed systems running in continuous low-speed fan mode - which circulates air steadily rather than cycling on and off - combined with proper supply register placement during any ductwork modifications.
Local Climate
Castle Pines is the highest-elevation location in our entire service area, sitting at 6,200 feet at the community center with Village ridgeline homes climbing to 6,600+ feet - nearly 1,000 feet above Denver. At that altitude, AC systems derate 14-16% compared to sea-level ratings, meaning a system that performs well in Denver will be measurably undersized here. Castle Pines averages 80+ inches of snow annually (vs. Denver's 57) due to its southern foothills-adjacent position and elevation gain. January overnight lows frequently reach -5°F to 5°F, well below Denver's typical 10-15°F range. Homes on exposed Village ridgelines face severe wind loading that can increase heating demand 15-20% compared to sheltered homes at the same elevation, and summer afternoon thunderstorms are more frequent and more severe than at lower elevations, with larger hail.
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ZIP Codes We Serve in Castle Pines
4 ZIP codes in Castle Pines service area
Why ChooseUniColorado
Your Trusted Castle Pines HVAC Experts
Douglas County Licensed: We hold Douglas County HVAC license #MA170322 - fully licensed, bonded, and insured for all residential work in Castle Pines.
Altitude-Adjusted Sizing: Every job starts with altitude-corrected Manual J calculations. We don't use Denver-based sizing rules for a community that sits nearly 1,000 ft higher.
Custom Home Multi-Zone Expertise: We routinely work on 4,000-8,000+ sq ft Village homes with dual furnaces, three-zone systems, and walkout basement load profiles.
Gated Community Access Coordination: We carry verified access procedures for Castle Pines Village and schedule installations to complete in a single visit whenever possible.
Village and North Experience: We understand the difference between 1980s custom Village construction and 2005-2012 Castle Pines North production homes - and we approach each accordingly.
Premium Equipment Focus: Mitsubishi, Carrier, and Bosch systems certified and installed correctly. No undersized or mismatched equipment to hit a price point.
Your SatisfactionIs Guaranteed
Our Castle Pines 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 WorkCastle Pines
Recent Projects in Castle Pines
Real installations we've completed for Castle Pines homeowners.
Carrier Infinity matched system for 3,800 sq ft 2008 home. Original equipment was 16 years old. Added zoning.
Bosch 96% AFUE for 4,100 sq ft home with existing radiant backup. Original furnace was 28 years old.
6,500 sq ft custom home at 6,500 ft elevation with three independent systems: walkout basement, main level, and upper level. Each system altitude-adjusted and matched to the load profile of its floor. Replaced original 1993 equipment across all three zones.
2,800 sq ft 2008 production home. Replaced original builder-grade Lennox with Carrier Infinity matched system - first major replacement at 17 years. Altitude-corrected sizing was 0.5 tons larger than the outgoing unit.
NotableLandmarks
Proudly Serving Castle Pines

The Country Club at Castle Pines

Castle Pines Village Gate

Elk Ridge Park
Local History
The Story of Castle Pines
We Also Serve Nearby Communities
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