What Are the Typical Costs to Install an HVAC System with Ductwork?

HVAC system installation with new ductwork does not have a single set price; it varies by home, layout, and equipment. We start with a site assessment and sizing, then provide an upfront, transparent estimate and financing options. Our team removes old equipment, installs the new system and ductwork, tests, and cleans up. We serve Denver and nearby cities with same-day service and 24/7 availability.

Cost drivers to expect:

• Equipment type (furnace, AC, heat pump, boiler, or ductless)
• Ductwork length, condition, and access
• Electrical or gas changes and thermostat upgrades
• Indoor air quality add-ons

Updated: 2025-12-21

Need help in Thornton, CO? Call (720) 994-7055 or book online.

"Use Brothers for a no hassle, no worry, professional installation." — Jason M.