How Much Does HVAC Installation Cost With Ductwork Included?

HVAC installation with new ductwork is priced after an in-home evaluation because total cost depends on home size, efficiency goals, and the duct design required. The most common driver is matching system capacity to the space; access conditions and material choices also affect the bid. We regularly design and install duct systems in the Jbsa Lackland area’s attic and slab homes. Small kinks or undersized returns cost far more in power bills than they save on bid day. Free replacement estimates and financing options are available.

What usually determines scope and price:

• Manual J load calculation and room-by-room duct design.
• Count of supply/return registers, plenum sizing, and total duct length.
• Insulation level, sealing method, and any leak testing.
• Attic/crawlspace access, removal of old ducts, and code upgrades.

Schedule a load calculation and duct inspection to receive a firm written quote. <br/> Updated: 2026-05-27 <br/> Need help in Jbsa Lackland, TX? Call (210) 412-2075 or book online. "It's hard to find a good HVAC company, but today's visit from Eagle makes me think I might have." — Brian F.