J & Z
J & Z is a HVAC provider serving Fremont, CA. Rated 4.5★ with 8 Google reviews. See services, review signals, and request a quote.
On this page
Company overview
- TradeHVAC
- Service areaFremont, CA
- Google rating4.5★ (8 reviews)
- Phone(510) 306-7790
- Address41223 Roberts Ave, Fremont, CA 94538, USA
Photos
Photos from Richard Baker
What customers say
“From the start, I felt reassured that J & Z HVAC Fremont was a highly honest and reputable company. When the technician called me, he was extremely professional and patiently explained all my options …”
“I hired J & Z HVAC Fremont to install an AC unit in our newly renovated home. The complete process was a breeze. Technician answered all my questions, was professional, punctual and knowledgeable of h…”
“I knew I had made the right choice when I chose J & Z HVAC Fremont. This company is one exceptional service provider. Handyman came out did my install in a day and a half and did a great job. Highly r…”
“HONEST WORK! He took time to explain the problem with the unit, and had our heater repaired in less than an hour. From our experience, this is an honest company willing to make repairs. Our HVAC unit …”
“J & Z HVAC Fremont is the only company you'll ever need for any AC service. Very professional work and employees. We don't use anybody but this company to do our work. We highly recommend this company…”
Key highlights
Strengths
- Highly rated (4.5★ average)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does J & Z offer?
J & Z provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Fremont, CA.
What is J & Z's rating?
J & Z has a 4.5 out of 5 star rating based on 8 Google reviews.
Is this company licensed in California?
All listed providers have a verified California contractor license at time of publication. You can verify on the Contractors State License Board (CSLB) lookup at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx.
Does J & Z offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-23. Reviews refreshed 2026-04-23.
Licensing data: Contractors State License Board (CSLB) · Company data: verified business records + Google Business profile
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