About us
Bay Weatherization & Insulation
A San Jose insulation contractor built around one promise: we do every job like it’s our own.
Comfort you can feel. Bills you can live with.
We’re a full-service insulation contractor serving commercial and residential properties across San Jose and the South Bay. Whether you need spray foam, blown-in fill, weatherization, or a clean removal and rebuild, we treat your property with the same care we’d give our own.
Energy costs keep climbing. The fastest way to fight back is a tighter, better-insulated building. That’s the work we show up for—day after day.
License
Lic. #777747
California C-2 Insulation & Acoustical · Bonded & Insured
Service area
San Jose & South Bay
Homes, multi-family, and commercial spaces.
Estimates
Always free
Clear scope. Honest recommendations. No pressure.
How we work
Straightforward. Thorough. Clean.
01
Listen first
We learn how you use the space and where you’re losing money on energy—then recommend only what you need.
02
Install right
Correct depth, sealed edges, and the right material for walls, ceilings, floors, or foam applications.
03
Leave it clean
Your home or business should look better than when we arrived—because we treat it like our own.
Let’s talk about your building.
Free estimates for residential and commercial insulation in San Jose.