Compare Local Pros
Bay Valley Roofing & Solar vs Hassler Heating And Air Conditioning
Contra Costa General Contractors Comparison · Updated March 2026
You're comparing a roofing contractor to an HVAC specialist, so your choice depends entirely on whether you need roof work or heating and cooling service.
| Bay Valley Roofing & Solar | Hassler Heating And Air Conditioning | |
|---|---|---|
| Rating | ★ 4.8 | ★ 4.9 |
| Years Licensed | 13 years | 26 years |
| License # | 982745 | 770180 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | El Cerrito, CA |
| Website | bayvalleyroofing.com | www.hasslerheating.com |
Key Differences
What Customers Say
Bay Valley Roofing & Solar
Customers consistently praise Bay Valley for thorough roof inspections with photo documentation, clear communication throughout the project, and professional crews who maintain clean worksites and follow through on post-completion questions.
Hassler Heating And Air Conditioning
Hassler receives repeated feedback about detailed HVAC diagnostics with photo and video documentation, responsive emergency scheduling, and technicians who take time to explain system findings and maintenance recommendations.
Key Takeaway: Both companies demonstrate nearly identical customer service patterns around thorough inspections and photo documentation, but apply these practices to completely different trades, making direct comparison irrelevant to decision-making.
Customer Reviews
Bay Valley Roofing & Solar
Putting on a new roof is a daunting project, but Bay Valley made everything a breeze for us! The process started with a thorough inspection, and then a very comprehensive video chat with Nathan, who e...
We're so glad we chose Bay Valley Roofing and Solar company to replace our roof. Working with Ryan was top notch customer service. Something we don't see as much anymore. He's professional, detailed, ...
Bay Valley Roofing did a great job in replacing our roof. Although we were out of the area, they did an outstanding job of documenting their work and communicating with us in planning and executing t...
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 ...
Consider Bay Valley Roofing & Solar if...
- ✓ You need roof replacement, repair, or maintenance, including storm damage assessment or leak troubleshooting that requires exterior envelope expertise
- ✓ Your project involves solar integration such as solar shingle installation or coordinating panel removal and reinstallation during roof work
- ✓ You value detailed roof inspections with photo documentation and want a contractor experienced in identifying hidden damage that comes with 13 years of roofing-specific work
- ✓ You're managing the project remotely and need a contractor comfortable with video calls and digital communication throughout the process
Consider Hassler Heating And Air Conditioning if...
- ✓ You need heating or cooling system work, including furnace replacement, heat pump installation, air conditioning service, or ductwork replacement
- ✓ You're dealing with an HVAC emergency during winter or summer and need responsive scheduling from a contractor with deep diagnostic expertise
- ✓ You're considering home electrification projects like heat pump conversions and want the depth of experience that comes with 26 years in mechanical systems
- ✓ You prefer a veteran contractor for complex HVAC installations or system troubleshooting where extensive trade knowledge prevents costly mistakes
Questions to Ask Before Hiring
- → Confirm the specific scope of your project and verify the contractor specializes in that trade, as mixing roofing and HVAC work requires coordinating separate specialists
- → If your project involves both roof work and HVAC considerations, such as roof penetrations for new equipment or attic insulation affecting both systems, ask how each contractor coordinates with other trades
- → Request references for projects similar in scope and complexity to yours, particularly if you're doing a full roof replacement or complete HVAC system overhaul
The Bottom Line
This comparison only makes sense if you're unsure whether your problem is roofing-related or HVAC-related. If you know you need roof work, hire Bay Valley Roofing & Solar. If you need heating or cooling service, hire Hassler Heating And Air Conditioning. Both companies carry proper insurance, maintain active licenses, and demonstrate professional communication practices in their respective trades. The decision is about matching your project to the correct specialty, not weighing one company against another. If you're facing issues in both areas, you'll need to hire both contractors separately and coordinate timing yourself.
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Frequently Asked Questions
You'll need to hire both companies separately, as they specialize in entirely different trades. If projects overlap in timing, such as installing HVAC equipment that requires roof penetrations, ask each contractor about coordination practices with other trades. Many homeowners address these sequentially rather than simultaneously to avoid jobsite conflicts.
The experience difference matters within a single trade but is irrelevant when comparing across different specialties. Hassler's 26 years of HVAC expertise won't help with roof leaks, and Bay Valley's 13 years of roofing knowledge won't diagnose furnace problems. Choose based on trade match, not years licensed when comparing different contractor types.
Bay Valley explicitly handles solar-related roofing work, including solar shingle installation and coordination for panel removal during roof replacement. Hassler does not mention solar services. If you're adding solar panels, you'll still need a separate solar installer, but Bay Valley can coordinate the roofing integration aspects.
This depends on your emergency type. Reviews indicate Hassler responds quickly to heating system failures, which is critical during cold weather. Bay Valley handles storm damage and leak emergencies related to roof integrity. Both demonstrate responsiveness within their respective specialties, so match the emergency to the right trade.
Looking for the Best?
See our ranked list of top general contractors in Contra Costa.
Other Contra Costa General Contractors Comparisons
Apollo Roofing Company
★ 5.0
Hassler Heating And Air Conditioning
★ 4.9
Got Watts?
★ 4.9
Hassler Heating And Air Conditioning
★ 4.9
Bay Valley Roofing & Solar
★ 4.8
Apollo Roofing Company
★ 5.0
High Definition Solar
★ 4.1
Hassler Heating And Air Conditioning
★ 4.9
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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