Ductwork Services in 94121 (San Francisco, CA)
Licensed ductwork services professionals serving zip code 94121 in San Francisco, San Francisco County. Duct repair, sealing, and installation for better comfort. Prices from $300–$5,000. Call (916) 476-7689 for a free quote.
Ductwork Services Pricing in 94121
$300–$5,000
Duct sealing $300–$1,000; full replacement $2,000–$5,000 • Updated July 2026
Why Choose NorCal Repairs for Ductwork Services in 94121?
Professional ductwork services including repair, sealing, cleaning, and new installation. Properly sealed and insulated ducts can improve efficiency by 20–30% and eliminate hot/cold spots.
- Local to San Francisco — Our technicians live and work in San Francisco County
- Same-day service — Fast scheduling with next-day availability
- Upfront pricing — No surprises, free estimates for 94121 residents
- Licensed & insured — CSLB-licensed contractors you can trust