HVAC Contractors for HVAC Installation in Denver, CO

Installing a new HVAC system in Denver requires expertise in high-altitude performance, wide temperature swings, and both serious heating and cooling loads. Most Denver homes use a gas furnace paired with central AC or a heat pump. Proper equipment selection matters — Denver's altitude affects system capacity, and units must be sized for heating loads that can reach -10°F overnight. Manual J load calculations are essential. New system costs in Denver range from $6,000 for a basic furnace-AC replacement to $18,000+ for premium variable-speed systems. Local HVAC contractors below serve Denver and the metro area including Englewood, Littleton, Highlands Ranch, Lakewood, Centennial, and Wheat Ridge. Colorado has no statewide HVAC contractor license. Licensing and registration requirements are local or municipal; Denver has its own mechanical contractor licensing. Check the jurisdiction for the project address. Related plumbing and electrical work may require separate state licenses.