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Pac Solar vs Quattro Solar

Marin Solar Contractors Comparison · Updated March 2026

Quick Verdict

Quattro Solar holds a meaningful edge with four additional years of experience and workers compensation insurance that protects homeowners from liability risks.

Pac Solar: Pac Solar is an established 11-year contractor known for detailed technical consultation and transparent pricing, but lacks workers compensation coverage.
Quattro Solar: Quattro Solar is a veteran 15-year contractor with full workers compensation insurance and strong owner involvement, though with less detailed customer feedback about their process.
Note: Pac Solar does not carry workers compensation insurance, which means homeowners could be liable if a worker is injured on their property.
Pac Solar Quattro Solar
Rating 5.0 4.7
Years Licensed 11 years 15 years
License # 995228 954020
Workers' Comp ✓ Yes
Bond Amount $25,000 $25,000
Location San Rafael, CA Novato, CA
Website pacsolar.com www.quattrosolar.com

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Key Differences

The most significant difference is workers compensation insurance. Quattro Solar carries it; Pac Solar does not. This matters because if a worker is injured installing your solar panels and the contractor lacks workers comp, your homeowner's insurance may become the primary coverage—potentially exposing you to claims and premium increases. Beyond liability protection, Quattro Solar's 15 years versus Pac Solar's 11 years represents four additional years navigating roof complications, evolving solar technology, and changing utility interconnection requirements. While both contractors demonstrate strong owner involvement, customer feedback patterns differ: Pac Solar receives extensive praise for thorough technical education, detailed proposals, and transparent pricing comparisons, while Quattro Solar's reviews emphasize owner integrity and staff knowledge without the same depth of detail about their consultation process. Both serve the same Marin County market with comparable project scopes.

What Customers Say

Pac Solar

Pac Solar customers consistently praise the exceptionally detailed technical consultation, transparent proposals, and educational approach that helps them understand solar technology and financing without pressure.

Quattro Solar

Quattro Solar customers emphasize the owner's personal integrity, trustworthiness, and staff knowledge, with confidence in the business name and reliability.

Key Takeaway: Pac Solar's reviews provide extensive detail about their consultation process and competitive pricing strategy, while Quattro Solar's reviews focus more on character and trust without elaborating on their technical approach or project details.

Customer Reviews

Pac Solar

Jan 2023

Great customer service! Eric is the best out there!

May 2019

We were really very pleased at the service and professionalism of this company, particularly with the owner Eric Miller who was involved from start to finish. We did a lot of prior research, had mult...

Jul 2018

Eric, arrived we talked, planned and repair with upgrade went off without a hitch. EXCELLENT team as well. Upgrades are nice too, really improved my whole system. Thanks Eric!

Quattro Solar

Nov 2020

Absolute quality! Quattro Solar IS a name you can count on! Very friendly and knowledgeable staff. The owner David Quattro is a man of integrity and cares deeply about the work, his clients, and the e...

Consider Pac Solar if...

  • You want exceptionally detailed technical consultation and educational approach to understanding your solar system's performance and financing options before committing.
  • You've obtained multiple bids and value transparent pricing comparisons, as Pac Solar customers consistently mention competitive rates compared to national companies.
  • You're willing to verify your homeowner's insurance covers contractor injuries and accept that responsibility in exchange for potentially lower project costs.
  • You prioritize a contractor known specifically for no-pressure sales and realistic performance projections rather than optimistic promises.
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Consider Quattro Solar if...

  • You want the liability protection of workers compensation insurance and prefer not to risk your homeowner's policy covering contractor injuries.
  • You value the additional four years of experience navigating California's solar landscape, including more roof types, weather challenges, and utility coordination scenarios.
  • You prioritize a veteran contractor with 15 years of sustained operation through multiple solar industry changes and incentive program transitions.
  • You're drawn to a business where customers specifically mention owner integrity and trust in the company name, even if detailed process feedback is less extensive.
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Questions to Ask Before Hiring

  • Ask Pac Solar directly about liability coverage and confirm with your homeowner's insurance whether you're protected if a worker is injured during installation.
  • Ask both contractors for references from projects with roof conditions similar to yours, particularly if your roof is older or has multiple planes and angles.
  • Ask Quattro Solar to walk through their consultation and proposal process in detail, including how they approach system sizing, financing options, and performance projections.
  • Ask both contractors how long their current installation crews have been with them and whether they use subcontractors for any portion of the work.

The Bottom Line

Quattro Solar is the safer choice for most homeowners, offering meaningful liability protection through workers compensation insurance and four additional years of experience handling solar installations through various industry changes. If you have a complex roof, older home, or simply want to avoid potential exposure through your homeowner's insurance, Quattro Solar's complete insurance coverage justifies selection even at a potentially higher price. However, if you have a straightforward installation, verify your homeowner's policy provides adequate contractor injury coverage, and prioritize the detailed technical consultation that Pac Solar is known for, they remain a viable option—just understand you're accepting additional responsibility. For most situations, the combination of veteran experience and proper insurance coverage makes Quattro Solar the more protective choice.

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Frequently Asked Questions

It matters significantly. Solar installation involves workers on your roof with electrical equipment and heavy panels. If Pac Solar's worker is injured and they lack workers comp, your homeowner's insurance could become the primary coverage, potentially leading to claims against your policy. Before choosing Pac Solar, call your insurance agent and confirm your coverage in this scenario—some policies exclude or limit this protection.

Yes, particularly for complex installations. Those four extra years mean more experience with challenging roof geometries, older homes with structural considerations, and evolving utility interconnection requirements. A 15-year veteran has navigated multiple technology transitions and knows how to handle unexpected complications that emerge once installation begins. For straightforward installations on newer homes, the gap matters less.

Customer reviews suggest Pac Solar has built their reputation specifically on thorough education and transparent proposals, with many customers mentioning they chose them after comparing multiple bids. Quattro Solar's reviews focus more on owner character and staff knowledge without the same detail about their process. This doesn't mean Quattro Solar provides inferior consultation—ask them directly to describe their approach and compare the answers.

Pac Solar customers specifically mention competitive pricing compared to larger companies, suggesting they may position themselves on value. Quattro Solar's reviews don't emphasize pricing discussions. The workers compensation insurance Quattro Solar carries is a real business cost that affects their pricing structure. Get detailed quotes from both and compare not just the bottom line but what's included and what protection you receive.

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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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