On Time Heat & Air provides residential HVAC repair, installation, maintenance, and upgrade work across Denver Metro. We are locally owned, NATE Certified, and properly licensed in the areas where we work.
Call (720) 527-0668 to check same-day availability or request a quote.
From emergency no-cool calls to planned system replacements, we help homeowners keep their homes comfortable year-round.
Choose the service below to learn more about how we handle common heating and cooling needs across the Front Range.
When your AC breaks down in a Colorado heat wave, you need fast help. We diagnose the problem quickly, carry common parts on our trucks, and complete most repairs in a single visit. All brands — Carrier, Lennox, Trane, Rheem, Goodman, and more.
Learn more about AC Repair → Same DayProper sizing is critical for Colorado's altitude. We perform load calculations, install high-efficiency systems from top manufacturers, handle all permits, and offer 0% financing. Most installations completed in 1-2 days.
Learn more about AC Installation → FinancingA broken furnace in a Colorado winter can be dangerous. We provide 24/7 emergency furnace repair — ignition failures, blower motors, cracked heat exchangers, thermostat malfunctions, and more. Upfront pricing before any work begins.
Learn more about Furnace Repair → 24/7High-efficiency gas furnaces (up to 98% AFUE), electric furnaces, and dual-fuel systems. Includes proper combustion testing at altitude, ductwork inspection, and full safety check. We help navigate rebates and tax credits.
Learn more about Furnace Installation → FinancingAir-source heat pumps, mini-split systems, and hybrid dual-fuel setups. Colorado residents may qualify for $1,000+ in state tax credits for qualifying installations. We handle all the paperwork for you.
Learn more about Heat Pumps → Tax CreditsOur 20-point inspection covers refrigerant levels, condenser coils, electrical connections, capacitors, drain lines, and thermostat calibration. Extends system life by 5-7 years. Comfort Club members get 2 tune-ups/year for $179.
Learn more about AC Maintenance → Comfort ClubWe install Nest, Ecobee, Honeywell, and Emerson Sensi smart thermostats. Full installation including wiring, Wi-Fi setup, schedule programming, and feature walkthrough. Save 10-23% on heating and cooling bills.
Learn more about Thermostat Services → Smart HomeTrue 24/7 emergency service — nights, weekends, and holidays. Our team answers emergency calls. No extra premium for Comfort Club members. We've helped families during 100-degree heat waves and elderly couples late at night.
Learn more about Emergency HVAC → Available NowFactory-trained on the brands Colorado homeowners trust most. Whether you need a repair, replacement, or new installation — we work on it.
Don't see your brand? We work on ALL brands — call us and we'll take care of it.
We strengthened core local SEO pages for heating and cooling service in Denver and surrounding cities, with natural landmark references, stronger service intent, and better internal linking.
Same-day heating diagnostics, repair guidance, and landmark-based local relevance for Denver homeowners.
Top local pageCooling repair page focused on high-intent Denver searches and stronger conversion structure.
Top local pageHeating and cooling repair page tailored to Aurora neighborhoods, landmarks, and service needs.
City pageBrighton-focused heating page with more specific local context and internal cluster support.
City pageUse these pages to jump directly to the service and city that best matches what you need right now.
Choosing equipment? These side-by-side guides cover the decisions Denver metro homeowners face most.