Guido's Service
Guido's Service is a HVAC provider serving Vallejo, CA. Rated 4.7★ with 12 Google reviews. See services, review signals, and request a quote.
HVACVallejo, CA
On this page
Company overview
- TradeHVAC
- Service areaVallejo, CA
- Google rating4.7★ (12 reviews)
- Phone(707) 647-2840
- Address8521, Preakness Ln #212, Vallejo, CA 94591, USA
- CSLB License892930 (ACTIVE)
Photos
Photos from Mark Monroe
What customers say
“Excellent service and fairly priced! Guido provided an honest solution to fix the AC wires. 3 other companies said the entire HVAC needed to be replaced, but with Guido’s expertise, he said the HVAC w…”
“Mr. Guido and his co-worker provided excellent sevice to us when they addressed the problem in our general heater. They were very professional and fixed the problem on time. Thanks for your service …”
“I would put zero stars but I can not do a bad job bad installation not professional unethical I do not recommend it ...”
“Very professional, fast and upfront! Highly recommended”
“Very professional came to my house when no one else could”
Key highlights
Strengths
- Highly rated (4.7★ 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 Guido's Service offer?
Guido's Service provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Vallejo, CA.
What is Guido's Service's rating?
Guido's Service has a 4.7 out of 5 star rating based on 12 Google reviews.
Is this company licensed in California?
Yes. License number: 892930. Status: ACTIVE. You can verify on the Contractors State License Board (CSLB) lookup at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx.
Does Guido's Service 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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