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Hassler Heating And Air Conditioning vs Matrix HG
Contra Costa General Contractors Comparison · Updated March 2026
Both companies have similar credentials, but Hassler demonstrates consistently positive customer experiences while Matrix HG shows significant concerns about pricing transparency and service quality.
| Hassler Heating And Air Conditioning | Matrix HG | |
|---|---|---|
| Rating | ★ 4.9 | ★ 3.7 |
| Years Licensed | 26 years | 23 years |
| License # | 770180 | 812232 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | El Cerrito, CA | Concord, CA |
| Website | www.hasslerheating.com | www.matrixhginc.com |
Key Differences
What Customers Say
Hassler Heating And Air Conditioning
Customers consistently praise Hassler's thorough diagnostic approach with photo documentation, clear explanations of findings, and transparent communication throughout the service process.
Matrix HG
Matrix HG receives mixed feedback with some customers highlighting professionalism while others report concerns about unexpected charges, pricing transparency, and recurring problems after service.
Key Takeaway: Hassler demonstrates consistent execution and communication patterns across customers, while Matrix HG shows variable service quality and significant concerns about cost communication that create budget unpredictability.
Customer Reviews
Hassler Heating And Air Conditioning
We had Hassler Heating & Air replace the ductwork under our house, and the experience was excellent from start to finish. The team was professional, punctual, and clearly knew what they were doing. Th...
Friendly, intelligent service. Thoroughly checked my heating system and showed in great detail what the problems are. The technician provided detailed inspection and we both agreed that it will be nec...
The crew was professional and courteous while being in my home which was very appreciated. Larry in particular was kind enough to answer my many questions to ensure I understood my new system so that ...
Matrix HG
👌ðŸ¼
High level Company with prompt and accurate service Technicians.
Since Covid, our business opened 2 weeks and has been closed 7 months. We had no income coming in. But this company has worked with us. During this difficult time. Plus they did good work.
Consider Hassler Heating And Air Conditioning if...
- ✓ Your HVAC issue may have hidden complications requiring thorough diagnosis, and you value detailed photo documentation explaining what technicians find and why specific repairs are recommended.
- ✓ You need clear communication about costs before work begins and want a contractor with a track record of transparency throughout the service process.
- ✓ You're planning a complex project like heat pump conversion, ductwork replacement, or whole-system upgrades where attention to detail and comprehensive planning matter.
- ✓ You want a contractor you can build a long-term relationship with for ongoing maintenance across multiple properties or many years of service.
Consider Matrix HG if...
- ✓ You have a straightforward HVAC maintenance need and can dedicate time to closely supervising the work and verifying costs before authorizing any additional services.
- ✓ You're willing to request detailed written estimates upfront and can clearly establish pricing boundaries before work begins to avoid unexpected charges.
- ✓ You have a commercial property and can evaluate whether the company's commercial experience aligns with your specific facility needs, though you should ask directly about their process for preventing recurring issues.
Questions to Ask Before Hiring
- → For Matrix HG specifically: Ask how they communicate pricing before starting work, request a detailed written estimate with approval requirements for any additional charges, and ask for references from customers with similar projects completed in the past year.
- → For both companies: Ask about their diagnostic process and whether they provide photo or video documentation of issues found during inspections.
- → Ask both contractors about their warranty on labor and parts, and what happens if issues recur after service is completed.
The Bottom Line
While both companies share similar credentials on paper, Hassler Heating And Air Conditioning is the clearer choice for most homeowners based on consistent customer experiences. Their documented pattern of thorough diagnostics, transparent communication, and detailed photo documentation reduces your risk of surprise costs or incomplete repairs. Matrix HG's mixed reviews—particularly regarding pricing transparency and recurring problems—present unnecessary risk when an alternative with consistently positive feedback is available. If you're considering Matrix HG due to scheduling or cost advantages, protect yourself with detailed written estimates and clear approval requirements before any work begins. For straightforward decision-making this week, Hassler's track record provides significantly more confidence in project outcome and budget predictability.
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Frequently Asked Questions
While both companies have substantial experience, Hassler's consistent customer feedback patterns suggest those extra years have translated into more reliable systems for communication and quality control. Matrix HG's mixed reviews indicate less consistency despite their veteran status, which matters more than the credential itself when you need predictable service delivery.
Multiple customers specifically mentioned unexpected charges and poor communication about costs before work was performed—this is a substantial red flag for budget management. If you choose Matrix HG, insist on detailed written estimates with clear approval processes before any work begins. Hassler's reviews don't show this pattern of surprise billing.
Hassler demonstrates experience with complex projects like heat pump conversions and ductwork replacement, with customers noting thorough planning and detailed explanations. For major investments, their consistent communication patterns provide more confidence. For simple maintenance, either could work, but you'd need tighter cost controls with Matrix HG.
Yes, when multiple customers mention issues returning after service, it suggests potential problems with diagnostic thoroughness or repair quality. This pattern is notably absent from Hassler's feedback, where customers mention using them repeatedly over many years. Ask Matrix HG directly about their process for ensuring problems are fully resolved and what their callback rate is.
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See our ranked list of top general contractors in Contra Costa.
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How We Compare Contractors
License Verification
All license data is sourced from official California CSLB records and verified regularly.
Review Analysis
Customer reviews are aggregated from Google and analyzed to identify patterns in service quality.
Detailed Comparison
We analyze credentials, insurance, experience, and feedback to highlight meaningful differences.
Not all licensed contractors are created equal. While a valid license is the baseline requirement in California, contractors can vary significantly in experience, insurance coverage, and customer satisfaction.
- Experience matters: A contractor with 15+ years of experience has likely encountered and solved problems that newer contractors haven't faced yet.
- Workers' compensation protects you: If a contractor without workers' comp insurance has an employee injured on your property, you could be held liable.
- Reviews reveal patterns: Individual reviews can be misleading, but patterns across many reviews often reveal a contractor's true strengths and weaknesses.
- Bond amounts vary: A contractor's bond provides financial protection if they fail to complete work as agreed. Higher bonds offer more protection.
Taking time to compare contractors on these factors can save you from costly mistakes and help ensure your project is completed by a qualified professional.
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified March 12, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.
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