Compare Local Pros
Luminalt Solar Energy Solutions vs Arch Plumbing
San Francisco HVAC Contractors Comparison · Updated March 2026
These companies serve completely different needs—Luminalt installs solar panels and battery systems while Arch Plumbing handles water heaters, drains, and pipes.
| Luminalt Solar Energy Solutions | Arch Plumbing | |
|---|---|---|
| Rating | ★ 4.7 | ★ 4.9 |
| Years Licensed | 21 years | 13 years |
| License # | 845219 | 976019 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | San Francisco, CA | San Francisco, CA |
| Website | luminalt.com | archplumbinginc.com |
Key Differences
What Customers Say
Luminalt Solar Energy Solutions
Customers consistently highlight Luminalt's clear communication throughout multi-stage solar projects and attention to detail on challenging installations including Victorian homes.
Arch Plumbing
Customers repeatedly praise Arch Plumbing's punctuality, fast diagnostic work, and clean service delivery, often completing repairs within an hour.
Key Takeaway: Luminalt's feedback reflects satisfaction with complex, planned installations over weeks, while Arch Plumbing's reviews emphasize rapid response to immediate household emergencies—fundamentally different service models.
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.
Arch Plumbing
Anthony and Arch Team are the best! They installed a heater for our tenant and did an amazing job! Anthony kept us in the loop from start to finish. We've used them for all plumbing needs, now I'm so...
Called them on a late Saturday evening for a clogged toilet problem. Carissa and Eric showed up and wow! They were so thorough with their jobs. The basically took the whole toilet out and did such a c...
Gerson Rustrian was my Service Technician and Very Professional and well knowledgeable. My main water pipe was broken and he was able to repair and replace parts on this evening emergency. Thanks Arch...
Consider Luminalt Solar Energy Solutions if...
- ✓ You need solar panel installation or battery storage system design and installation for your San Francisco home
- ✓ Your project involves architectural complexity like Victorian home solar retrofits or net positive energy system design
- ✓ You want a contractor with two decades of experience navigating San Francisco's specific solar permitting and building requirements
- ✓ You're planning a major energy upgrade that requires detailed consultation, roof assessment, and multi-day installation work
Consider Arch Plumbing if...
- ✓ You need plumbing services like water heater replacement, leak repair, drain clearing, toilet repair, or pipe work
- ✓ You're dealing with an immediate plumbing emergency requiring same-day or after-hours response
- ✓ You manage multiple properties or commercial facilities requiring ongoing plumbing maintenance relationships
- ✓ You want fast diagnostic work and repairs typically completed within an hour rather than multi-day projects
Questions to Ask Before Hiring
- → Confirm which specific service you actually need—solar installation or plumbing repair—as these contractors serve completely different functions
- → If considering solar, ask Luminalt about timeline from consultation to installation completion and their experience with your specific roof type
- → If you have both solar and plumbing needs, ask each contractor if they can recommend trusted partners in the other trade to coordinate work
The Bottom Line
This comparison only makes sense if you're considering multiple unrelated projects. For solar panel installation, battery storage, or solar energy system work, hire Luminalt—they're veteran solar specialists with 21 years navigating San Francisco's complex installation requirements. For water heater replacement, leak repairs, drain clearing, or any plumbing work, hire Arch Plumbing—they're established plumbing contractors known for fast response and diagnostic efficiency. Both maintain proper insurance and licensing, but they serve completely different home systems. Identify whether you need energy system installation or plumbing repair, then contact the appropriate specialist.
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Frequently Asked Questions
No. Luminalt installs solar panels and battery systems but does not do plumbing work. Arch Plumbing handles water heaters, pipes, and drains but does not install solar systems. You would need to hire both companies separately if you have projects in both categories.
Identify whether your problem involves your roof-mounted solar panels and electrical production, or your water supply, drains, and fixtures. If your solar system isn't producing power or you want to add battery storage, contact Luminalt. If you have leaks, water heater problems, or drain issues, contact Arch Plumbing. These are entirely separate building systems.
The experience difference matters within each trade but cannot be compared across different specialties. Luminalt's 21 years specifically in solar means deep expertise with complex installations and evolving solar technology. Arch Plumbing's 13 years in plumbing represents solid experience with emergency diagnostics and repair work. Both timeframes indicate established, experienced contractors in their respective fields.
Solar panel installation itself doesn't typically require plumbing work, as it involves roof mounting and electrical connections. However, if you're also installing a solar water heater or need to relocate water heater equipment to accommodate battery storage, you might need both trades. Ask Luminalt during consultation whether your specific project requires plumbing coordination.
Looking for the Best?
See our ranked list of top hvac contractors in San Francisco.
Other San Francisco HVAC Contractors Comparisons
Apollo Heating And Ventilating
★ 5.0
Arch Plumbing
★ 4.9
Luminalt Solar Energy Solutions
★ 4.7
Building Efficiency
★ 4.9
Luminalt Solar Energy Solutions
★ 4.7
Associated Heating Of San Francisco
★ 4.8
Luminalt Solar Energy Solutions
★ 4.7
Kevel Home Performance
★ 5.0
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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