Compare Local Pros
Luminalt Solar Energy Solutions vs Kevel Home Performance
San Francisco General Contractors Comparison · Updated March 2026
These companies serve completely different needs: Luminalt installs solar panels while Kevel handles HVAC, insulation, and energy efficiency improvements.
| Luminalt Solar Energy Solutions | Kevel Home Performance | |
|---|---|---|
| Rating | ★ 4.7 | ★ 5.0 |
| Years Licensed | 21 years | 9 years |
| License # | 845219 | 1021221 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | San Francisco, CA | San Francisco, CA |
| Website | luminalt.com | www.kevelhome.com |
Key Differences
What Customers Say
Luminalt Solar Energy Solutions
Luminalt customers consistently emphasize smooth communication throughout the solar installation process and long-term satisfaction with system performance years after installation.
Kevel Home Performance
Kevel customers highlight thorough energy assessments and professional installation quality on efficiency projects including HVAC and air sealing work.
Key Takeaway: Luminalt's feedback focuses on managing complex solar projects with clear expectations, while Kevel's emphasizes diagnostic thoroughness before beginning efficiency improvements.
Customer Reviews
Luminalt Solar Energy Solutions
We had Luminalt Solar install 29 solar panels on our Victorian in Bernal Heights ten years ago. We’re thrilled with the installation and savings on our PG&E bill every month! Our service rep, Kayla,...
Pretty smooth process from start to finish. Zero surprises.
The Luminalt team was very easy to work with, and the end result is functioning perfectly.
Kevel Home Performance
We recently moved to our new home and had to replace a super old antique furnace. We hired Kevel to completely redo all our ducting and install a new high efficiency furnace. Brian, Jeff, and Eric ar...
We have a 150 year-old victorian condo and the windows are somewhat newer, but the house was not sealed completely. Brian and his team came in and did a leak test, went above and beyond to seal the bu...
First rate operation. Kevel came to us by way of our asking for assistance in taking advantage of the Energy Upgrade California Program. We were working with Charles Windows and Doors of San Rafael,...
Consider Luminalt Solar Energy Solutions if...
- ✓ You want to install solar panels or battery storage to generate your own electricity and reduce utility bills through energy production
- ✓ Your project involves rooftop solar arrays, net metering setup, or solar-plus-battery systems requiring utility interconnection expertise
- ✓ You value working with a veteran contractor who has navigated 21 years of San Francisco building codes, roof types, and solar permitting requirements
- ✓ You appreciate emphasis on clear communication throughout complex solar installations, as noted consistently in customer feedback
Consider Kevel Home Performance if...
- ✓ Your project involves HVAC replacement, ductwork installation, air sealing, insulation, or window efficiency improvements rather than solar installation
- ✓ You need thorough energy assessments including blower door testing to diagnose where your home is losing heat or air conditioning
- ✓ You want to participate in Energy Upgrade California Program incentives for efficiency improvements, which Kevel actively helps customers navigate
- ✓ You have an older or Victorian home requiring careful air sealing and thermal improvements without compromising historic character
Questions to Ask Before Hiring
- → If considering solar with Luminalt, ask about their experience with your specific roof type and any shading or structural concerns that might affect system performance
- → If considering efficiency work with Kevel, ask for a detailed energy assessment report showing where improvements will have the greatest impact and estimated payback periods
- → For either company, ask about current project timelines and how long from contract signing to project completion given permit and inspection requirements
- → Ask about warranty coverage specific to your project type, including equipment warranties versus installation workmanship guarantees
The Bottom Line
This comparison only makes sense if you're uncertain whether you need solar installation or energy efficiency improvements—otherwise, the companies serve completely different needs. If you want to generate your own electricity through rooftop solar panels or add battery storage, contact Luminalt, whose 21 years of solar-specific experience in San Francisco provides substantial expertise. If you need HVAC replacement, ductwork, air sealing, insulation, or window efficiency work, contact Kevel, who specializes in building envelope and mechanical systems. Both are properly licensed and insured San Francisco contractors with solid reputations in their respective specialties. Don't hire based on years in business alone—hire based on which type of work you actually need done.
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Frequently Asked Questions
No, these companies have distinct specialties that don't overlap. If you're planning both solar and HVAC upgrades, you'll need to hire both contractors or find a different company that handles multiple trades. Many homeowners actually prefer this approach, as it means each contractor is a true specialist in their field rather than a generalist.
The experience gap matters within each specialty, not between them. Luminalt's two decades means extensive solar-specific expertise navigating San Francisco's evolving solar codes, utility requirements, and roof challenges. Kevel's 9 years represents solid experience in HVAC and efficiency work, though less time handling uncommon complications. For standard projects in either specialty, both have sufficient experience.
It depends on your approach. Luminalt reduces bills by generating solar electricity to offset what you buy from the utility, requiring upfront investment with long-term savings. Kevel reduces bills by making your home use less energy for heating and cooling through efficiency improvements, often with lower upfront costs. Many energy consultants actually recommend efficiency improvements before solar, since a more efficient home needs a smaller, less expensive solar system.
Kevel explicitly participates in the Energy Upgrade California Program and helps homeowners access efficiency incentives. Luminalt works with solar-specific incentives and rebate programs, which are different from the efficiency programs. Ask each company directly about current available incentives for your specific project type, as programs change frequently.
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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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