Bay Area Service Hub Review
Family-owned HVAC company founded in 2015 with 10 years in business, specializing in residential heating, cooling, and electrical services across Alameda and Contra Costa Counties. Reviews consistently praise their knowledgeable technicians who explain work thoroughly, arrive on time, and clean up meticulously. Best for homeowners seeking a community-focused contractor with strong manufacturer relationships and responsive emergency service.
Evaluation Scores
Workmanship
9.0
Quality of work performed
Customer Service
9.0
Responsiveness & communication
Pricing
8.0
Clear & honest pricing
Reliability
9.0
Consistency & dependability
Expertise
9.0
Technical skills & certifications
Warranty Support
8.5
Post-service coverage
Essential Q&A
What makes this contractor stand out?
Family-owned operation with owner Chris Donzelli personally involved, 9 consecutive years Diamond Certified with 341 verified customer surveys, and multiple SFGATE Best of Bay Area awards for both HVAC and electrical services.
Who should hire this contractor?
Homeowners in Alameda or Contra Costa County seeking a responsive, community-minded contractor with strong manufacturer relationships and comprehensive service plans.
Insider tip
Ask about their maintenance program that includes real-time updates and technician reminders—satisfied customers consistently mention the thorough bi-annual inspections as key to avoiding breakdowns.
Frequently Asked Questions
Is this contractor licensed and insured in California?
Yes. License #1022101 is active through 3/31/2026, with a $15,000 contractor bond through American Contractors Indemnity Company and verified workers' compensation coverage on file.
Does this company offer 24/7 emergency services?
Yes, they are available 24/7 according to multiple directory listings including Yelp and Diamond Certified, though same-day scheduling may depend on availability.
What kind of warranty is provided on their workmanship?
Yes, they offer warranties for parts and labor on repair jobs, a 100% satisfaction guarantee, and honor manufacturer warranties on equipment installations.
Do they provide free estimates or flat-rate pricing?
Yes, they offer free estimates for HVAC system replacement, new installations, and solar solutions, with straightforward upfront pricing (no hourly charges).
How long has this business been serving the Bay Area?
The company was founded in 2015 and is celebrating its 10th anniversary in 2025, serving Alameda and Contra Costa Counties. The ownership team brings over 30 years of industry experience.
Are their technicians background-checked and certified?
Yes, technicians are EPA certified and the company is HomeAdvisor Screened & Approved. As a Lennox Premier Dealer and Diamond Certified company, technicians undergo continuous training on the latest HVAC technologies.
Platform Scorecard
Cross-platform reputation comparison
Google
1,207 reviews
Yelp
561 reviews
BBB
A+
2 complaints (3 yr)
Diamond Certified
Certified
9 years
341 verified surveys
Checkbook.org
superior rating
22 ratings
Services Offered
Areas of Expertise
Certifications
Authorized Dealer
Service Areas
Professional Memberships
License Details
Status
Active
Classifications
Issue Date
2015
Expires
2026-03-31
Bond Amount
$25,000
Workers Comp
Active
Liability Insurance
Active
Disciplinary Actions
None
Verify This Information
All data sourced from official platforms
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