Hassler Heating and Air Conditioning, LLC
Hassler Heating and Air Conditioning, LLC is a HVAC provider serving Oakland, CA. Rated 4.9★ with 517 Google reviews. See services, review signals, and request a quote.
HVACOakland, CA
On this page
Company overview
- TradeHVAC
- Service areaOakland, CA
- Google rating4.9★ (517 reviews)
- Phone(510) 210-0857
- Address1537 S 56th St, El Cerrito, CA 94530, USA
- CSLB License770180 (ACTIVE)
Photos
Photos from Hassler Heating and Air Conditioning, LLC
What customers say
“Wonderful experience from first meeting to final walk through. I replaced an old gas furnace with a new central vented heat pump system. The crew was amazing, including Alberto , Eddy, and Mikey. Y…”
“Everyone at Hassler, from our consultant to the installation crew, was great to work with. They responded immediately when our old furnace died, and did a superb job with a complicated task of replace…”
“I’ve used this HVAC company for my annual maintenance for several years, and the service is consistently excellent. My technician is knowledgeable, respectful of my home, and always takes the time to …”
“Totally delighted with Hassler. They handled the asbestos remediation and replacement of a hundred year old furnace in my home. People were uniformly competent and did a superb job. Fit the work to ti…”
Key highlights
Strengths
- Highly rated (4.9★ average)
- Large review volume (517 reviews)
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 Hassler Heating and Air Conditioning, LLC offer?
Hassler Heating and Air Conditioning, LLC provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Oakland, CA.
What is Hassler Heating and Air Conditioning, LLC's rating?
Hassler Heating and Air Conditioning, LLC has a 4.9 out of 5 star rating based on 517 Google reviews.
Is this company licensed in California?
Yes. License number: 770180. Status: ACTIVE. You can verify on the Contractors State License Board (CSLB) lookup at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx.
Does Hassler Heating and Air Conditioning, LLC 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 2026-04-24. Reviews refreshed 2026-04-24.
Licensing data: Contractors State License Board (CSLB) · Company data: verified business records + Google Business profile
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