
Custom Sheet Metal Fabrication in Santa Rosa, CA
Plan&Spec
As we like to say at Simpson Sheet Metal Heating & Air Conditioning, if you can imagine it, we can make it.
Unlike most HVAC service companies, Simpson operates a vast sheet metal fabrication department on-site, allowing us to custom-build any sheet metal product for your home or business.
Whether you need custom-fit ductwork for a commercial unit installation or want to outfit your new kitchen with metal countertops, kitchen hood or oven exhaust system, our master fabricators can design, build and install it. Simpson Sheet Metal stands alone in the market for its metal fabrication capabilities serving both residential and commercial customers.

Design-Build

Plan&Spec


Unmatched Residential Expertise
Unlike most HVAC service companies, Simpson operates a vast sheet metal fabrication department on-site, allowing us to custom-build any sheet metal product for your home or business.
Whether you need custom-fit ductwork for a commercial unit installation or want to outfit your new kitchen with metal countertops, kitchen hood or oven exhaust system, our master fabricators can design, build and install it. Simpson Sheet Metal stands alone in the market for its metal fabrication capabilities serving both residential and commercial customers.


Unlike most HVAC service companies, Simpson operates a vast sheet metal fabrication department on-site, allowing us to custom-build any sheet metal product for your home or business.
Whether you need custom-fit ductwork for a commercial unit installation or want to outfit your new kitchen with metal countertops, kitchen hood or oven exhaust system, our master fabricators can design, build and install it. Simpson Sheet Metal stands alone in the market for its metal fabrication capabilities serving both residential and commercial customers.

Proudly providing commercial and residential HVAC and sheet metal fabrication services in the region for more than 40 years.






with precision

with precision