Ductwork Installation Cost in Houston 2026
Ductwork Installation in Houston costs between $2,822 and $11,290 in 2026, with the average around $5,645. Houston pricing runs 6% below the US national average. Design and installation of new supply and return ducts with sheet metal trunks, flexible branch runs, registers, and sealed joints. Includes insulation and airflow balancing across rooms.
What ductwork installation includes in Houston
Design and installation of new supply and return ducts with sheet metal trunks, flexible branch runs, registers, and sealed joints. Includes insulation and airflow balancing across rooms.
Typical time on site: 2 to 4 days. Local labor rate: $26/hour for an experienced hvac pro.
What changes the price of ductwork installation in Houston
- Linear feet of duct
- Home size and layout
- Rigid versus flexible duct
- Access through walls and attic
- Insulation and sealing
A ductwork installation quote priced off statewide averages will be off by 10 to 20 percent for Houston, because the metro has its own labor pool, material delivery distances, and permit timelines.
Houston climate and demand for hvac
Subtropical climate with heavy AC demand year-round; hurricane exposure (Harvey 2017 reshaped flood maps); subsidence in clay soils
Houston permits for ductwork installation
Building department: City of Houston Department of Public Works. https://www.houstonpermittingcenter.org
Typical permit cost: $80 - $1,200 residential / $2K+ commercial. Inspection time: 3-7 business days (fastest large city). Houston rule: Houston has NO ZONING - easier permitting than most large cities. Flood plain rules from post-Harvey are strict. TDLR licenses for HVAC, electrical, plumbing apply.
Texas sales tax and licensing for HVAC
Texas sales tax: 6.25% + local (~8.2% combined avg, capped at 8.25%). NEW CONSTRUCTION labor exempt. REMODELING and REPAIR labor on real property TAXABLE. Lump-sum vs. separated contracts treated differently.
State license: Texas Department of Licensing and Regulation (TDLR) - for HVAC, electrical, plumbing only; no statewide GC license, no statewide license, local registration required.
Get accurate Ductwork Installation quotes in Houston with KaamCam
KaamCam helps Houston hvac pros send branded estimates by text, take deposits online, and schedule jobs from one app. The estimate templates auto-fill Texas sales tax and Houston permit fee lines. $12 per user per month. Start a 7-day free trial.