Compare Local Pros
High Definition Solar vs Eco Performance Builders
Contra Costa General Contractors Comparison · Updated March 2026
Both veteran contractors with identical credentials serve completely different needs: solar installation versus whole-home energy efficiency upgrades.
| High Definition Solar | Eco Performance Builders | |
|---|---|---|
| Rating | ★ 4.1 | ★ 5.0 |
| Years Licensed | 16 years | 16 years |
| License # | 949189 | 944856 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Walnut Creek, CA |
| Website | highdefinitionsolar.com | ecoperformancebuilders.com |
Key Differences
What Customers Say
High Definition Solar
Customers consistently praise High Definition Solar for no-pressure sales, efficient single-day installations, and straightforward system sizing based on actual usage rather than overselling.
Eco Performance Builders
Customers emphasize Eco Performance Builders' thorough diagnostic assessments, patient technical education, and systems-based approach that addresses multiple interconnected efficiency issues.
Key Takeaway: High Definition Solar receives feedback emphasizing speed and simplicity of execution, while Eco Performance Builders is praised for comprehensive analysis and integrated problem-solving across multiple building systems.
Customer Reviews
High Definition Solar
Super effort to install my job on the scheduled day. The crew arrived at exactly 8:oo AM as promised and were completely finished at 2:00 pm. Everything worked! The crew was very professional. I aam ...
Quick response, took time to explain the process and were able to process everything on time. It went smoothly. Jairo was super helpful and patient!
We had HD Solar do a big install for us in Richmond California. They did a great job, very professional, and we love saving huge amounts of money of electricity now! Plus, no more power outages due to...
Eco Performance Builders
We needed a new heater and went for a heat pump. Their approach is top shelf: our uninsulated house was insulated, new ductwork installed, recommended window replacement to allow for smaller system. ...
I had Eco Performance Builders install two heat pump HVAC systems with new ducts, new attic insulation, and an ERV system for my house. From start to finish, they were very prompt, knowledgeable and ...
Great service from project planning, design,. permitting and delivery. Highly detail oriented crew that gets the job done well and on time.
Consider High Definition Solar if...
- ✓ You want to generate your own electricity through solar panels and reduce utility bills through energy production rather than consumption reduction
- ✓ You appreciate straightforward project execution with single-day installations and minimal disruption to your home
- ✓ You've already addressed energy efficiency issues and want to add solar without complicating the project with additional assessments
- ✓ You need a contractor who can handle both solar installation and related roofing work if panels reveal or create roof issues
Consider Eco Performance Builders if...
- ✓ You want to reduce energy consumption through improved insulation, air sealing, and efficient HVAC equipment before or instead of adding solar
- ✓ Your home has older HVAC equipment, inadequate insulation, or comfort problems that suggest underlying building envelope issues
- ✓ You value a comprehensive diagnostic approach that identifies multiple interconnected problems rather than addressing single components
- ✓ You're interested in heat pump technology for heating, cooling, or water heating and want guidance on proper system sizing and integration
Questions to Ask Before Hiring
- → If considering both solar and efficiency upgrades, ask each company whether they recommend doing efficiency work first and how much solar capacity you might save by reducing consumption
- → Ask High Definition Solar about their experience with roof assessments before panel installation and whether they identify potential issues proactively
- → Ask Eco Performance Builders whether their energy assessments quantify potential solar benefits and if they coordinate with solar contractors for integrated projects
- → Request references from projects similar to yours in scope, especially if you're considering comprehensive multi-system upgrades
The Bottom Line
Choose High Definition Solar if you need solar panel installation, and choose Eco Performance Builders if you need energy efficiency upgrades involving insulation, ductwork, or HVAC systems. Both are equally qualified veteran contractors with identical credentialing and positive customer feedback in their respective specialties. The decision comes down to what work you actually need done, not which company is better. If you're considering both solar and efficiency improvements, conventional wisdom suggests starting with Eco Performance Builders to reduce consumption first, then working with High Definition Solar to size solar appropriately for your improved home. Ask both companies directly about coordination if you want integrated planning.
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Frequently Asked Questions
Energy efficiency improvements typically reduce your electricity consumption, which means you can install a smaller, less expensive solar system that still meets your needs. Eco Performance Builders can assess your current energy usage and identify efficiency opportunities, while High Definition Solar can then size a solar system based on your reduced consumption. Most experts recommend efficiency first, though both approaches have merit depending on your specific situation and financing considerations.
Based on the available data, High Definition Solar specializes in solar with occasional roofing work, while Eco Performance Builders focuses on efficiency retrofits without solar installation services mentioned. If you want both, you'll likely need to coordinate between these contractors or find a company that explicitly offers integrated solar and efficiency services. Ask each directly about their capabilities and whether they regularly coordinate with other contractors.
This depends entirely on your home's current condition and energy usage patterns. If your home is poorly insulated with an old HVAC system, Eco Performance Builders' efficiency upgrades will deliver immediate consumption reduction. If your home is already efficient, High Definition Solar's panels will offset remaining electricity costs through generation. The most cost-effective path requires understanding your baseline energy performance first.
High Definition Solar demonstrates ongoing service relationships spanning over a decade, with customers reporting responsiveness for equipment issues and warranty work, though some experienced communication challenges years after installation. Eco Performance Builders receives praise for responsive communication throughout projects, with high owner involvement noted. Both appear to provide post-installation support, but ask each specifically about service terms, response times, and warranty coverage for your particular project.
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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 13, 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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