Top HVAC Contractors for Emergency HVAC in Denver, CO

Denver's temperature extremes make HVAC emergencies genuinely dangerous — a furnace failure at 5°F overnight or a failed AC during a 95°F July afternoon requires immediate response. Emergency HVAC contractors in Denver offer 24/7 service with typical response windows of 2–4 hours. Emergency service fees run $150–$300 for the call, plus parts and labor. The most common Denver emergency calls are no-heat furnace failures during cold snaps, refrigerant leaks, and compressor failures during summer heat events. Colorado requires licensed contractors for all HVAC work. When calling for emergency service, note your furnace or AC model number, approximate age, and any recent service history. Contractors listed here serve Denver and the metro area including Lakewood, Aurora, Englewood, and surrounding communities.