Clear home-comfort guidance
What to expect from Apex.
Apex is based in Windsor and serves homeowners throughout Sonoma County as well as nearby communities in Marin, Lake, Napa, and Mendocino counties. If you are not sure whether your address is within our service area, call and ask.
Thoughtful service.
Clear next steps.
We listen first, explain what we see in everyday language, and give you room to choose the option that works for your home.
How we can help
Local, family owned, honest work
Sonoma County is home.
Apex Heating & Air is owned and operated by Adrian Hermosillo. We are based in Windsor and serve Santa Rosa and the North Bay with respectful, straightforward home-comfort service.
A few clear answers
Frequently asked questions.
Do you serve Santa Rosa?
Yes. Apex serves Santa Rosa homeowners with air-conditioning, heating, heat-pump, and maintenance help.
Do you serve areas outside Sonoma County?
Apex also serves nearby homeowners in Marin, Lake, Napa, and Mendocino counties. Call to confirm availability for your address.