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Sierra Roofing And Solar vs Enphase Energy
Alameda Solar Contractors Comparison · Updated March 2026
Sierra Roofing And Solar is a full-service roofing contractor with 22 years of experience, while Enphase Energy is an equipment manufacturer, not an installation company.
| Sierra Roofing And Solar | Enphase Energy | |
|---|---|---|
| Rating | ★ 4.8 | ★ 2.2 |
| Years Licensed | 22 years | 0 years |
| License # | 835854 | 1146208 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Dublin, CA | Fremont, CA |
| Website | www.sierraroofing.com | enphase.com |
Key Differences
What Customers Say
Sierra Roofing And Solar
Customers consistently praise Sierra Roofing And Solar for detailed inspections, clear explanations of repair options, professional crews, and clean jobsite practices throughout installations.
Enphase Energy
Customers describe Enphase Energy as a helpful technical support resource for troubleshooting equipment issues, accessing monitoring data, and obtaining warranty replacements after original installers closed.
Key Takeaway: Sierra's feedback focuses on installation quality and project management, while Enphase feedback centers entirely on post-installation technical support and equipment reliability, reflecting their different roles as contractor versus manufacturer.
Customer Reviews
Sierra Roofing And Solar
Excellent workmanship. They had exactly the materials we wanted for our roof. We're very considerate and, all things considered, quiet. Did an excellent job of cleaning up after they had left. Great f...
Robert was prompt and professional. Explained clearly what he found to be the cause of the leak and how to fix it. He gave me recommendations on maintenance for my ceramic tile roof but I never felt p...
Robert did a great job getting here on time and checking out my roofing issues
Enphase Energy
Our original solar panel installer declared bankruptcy just after our installation. We recently had an issue, and after trying to find an independent installer, I went directly to Enphase. They have...
We like our Soler and i'm glad we got some Batteres with it we have bin out of servis from PGE for time to time and we persever we dont have to worry about our food going bad and our payment is loer ...
Love every minute of my experiences with my enphase system. Making your power is a freedom i never expected to be so liberating!
Consider Sierra Roofing And Solar if...
- ✓ You need a contractor to install, repair, or replace your roof, whether asphalt, tile, or metal.
- ✓ You're planning a combined roofing and solar project and want one company coordinating both trades.
- ✓ You have an active leak requiring emergency response or detailed diagnostics to identify hidden damage.
- ✓ You value a contractor with two decades of experience handling complications that arise during tear-offs and reroofs.
Consider Enphase Energy if...
- ✓ You already have an Enphase system installed and need technical support troubleshooting connectivity or configuration issues.
- ✓ Your original solar installer is out of business and you need warranty service or replacement parts for Enphase equipment.
- ✓ You want to understand monitoring data or need help with the Enphase app.
- ✓ You're researching which solar equipment brand to specify when you hire an installation contractor.
Questions to Ask Before Hiring
- → If contacting Enphase, confirm upfront whether they dispatch installation crews or only provide equipment support, and ask for referrals to local contractors who install Enphase products.
- → Ask Sierra Roofing And Solar which solar equipment brands they install and whether they have experience integrating Enphase microinverters and batteries into roofing projects.
- → Confirm Sierra's current lead time for project start dates, as feedback suggests scheduling may require advance planning during busy periods.
The Bottom Line
If you need a contractor to install, repair, or replace your roof or to handle a rooftop solar project, hire Sierra Roofing And Solar. They're a veteran contractor with 22 years of hands-on experience, professional crews, and a track record of thorough inspections and clear communication. Enphase Energy is not an installation contractor—they manufacture equipment and provide technical support after other companies complete the install. The comparison only makes sense if you're deciding which solar equipment brand to specify when hiring Sierra or another installer, or if you already own an Enphase system and need troubleshooting help. For the installation itself, Sierra is the contractor; Enphase is the equipment supplier.
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Frequently Asked Questions
No. Enphase manufactures microinverters, batteries, and monitoring equipment, but does not operate as a residential installation contractor. They provide technical support for equipment that other solar contractors install. If you need physical installation work, you'll need to hire a contractor like Sierra Roofing And Solar who works with Enphase products.
Sierra performs solar installations and has experience with combined roofing-and-solar projects, but you should confirm directly which equipment brands they install and whether they're certified to work with Enphase microinverters and batteries. Many solar contractors partner with specific equipment manufacturers, so ask about their product lineup upfront.
Some equipment manufacturers obtain contractor licenses to provide warranty service, perform system commissioning, or support dealers. Enphase's license is recent and their customer feedback confirms they function as a manufacturer and support provider, not as a residential installation company. This is common in the solar industry where manufacturers maintain licenses for specific technical or warranty work.
Yes, especially for rooftop solar. A contractor with roofing expertise understands flashing details, roof penetrations, structural load limits, and how to prevent leaks when mounting arrays. Sierra's dual focus on roofing and solar means they can address both the energy system and the roof integrity underneath it, which is critical for long-term performance.
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See our ranked list of top solar contractors in Alameda.
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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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