HVAC Technician Salary in Colorado (2026)

Worth knowing: Colorado's altitude HVAC specialty is the distinguishing feature most national HVAC-trade surveys understate. Denver's 5,280' elevation (the Mile High City) plus Front Range suburbs at 5,000-6,000' plus ski resort installations at 9,000-12,000' all require altitude-derated HVAC equipment calculations and specialty knowledge. Boilers, gas furnaces, and air conditioners all perform differently at altitude — senior HVAC techs with altitude experience command 8-15% wage premium over peer-state journeymen. The Front Range data center cluster (Microsoft Sherman + Castle Rock, Google Pueblo, AWS expanding) drives substantial mission-critical cooling work — data centers at 5,000-6,000' elevation present unique cooling-system performance challenges that drive specialty premium. The 2025 OBBBA No Tax on Overtime federal deduction applies through 2028 — at $20K OT premium the $12,500 single cap binds, producing ~$2,750 federal a year; Colorado adds the deduction back from 2026 (HB25-1296), so there is no state saving. CO's 4.4% flat tax (post-Prop 121; tax year 2025 ran temporarily at 4.25% via TABOR) plus TABOR refunds returning $400-1,200 in good years plus 0.55% effective property tax (third-lowest in US per Prop 117 cap) creates an unusually favorable trade-worker tax structure — substantially better than peer-state IL or NM.