Compare Local Pros
Green Air Heating And Air Conditioning vs Solar Technologies
Contra Costa Solar Contractors Comparison · Updated March 2026
Green Air offers integrated solar-plus-HVAC systems while Solar Technologies specializes exclusively in solar with a dedicated permitting process.
| Green Air Heating And Air Conditioning | Solar Technologies | |
|---|---|---|
| Rating | ★ 4.6 | ★ 4.5 |
| Years Licensed | 18 years | 17 years |
| License # | 916517 | 932914 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | San Ramon, CA |
| Website | www.gogreenair.net | solartechnologies.com |
Key Differences
What Customers Say
Green Air Heating And Air Conditioning
Customers emphasize Green Air's ability to handle complex multi-system projects with detailed technical explanations, responsive service, and professional coordination across solar, battery, and HVAC installations.
Solar Technologies
Customers value Solar Technologies' educational sales approach and clean installation workmanship, though some note communication gaps during project delays and slower service department responsiveness.
Key Takeaway: Green Air receives consistent feedback about responsive follow-up and service calls across multiple project types, while Solar Technologies shows mixed experiences with post-installation communication timing despite strong installation quality.
Customer Reviews
Green Air Heating And Air Conditioning
11 out of 10 stars! Green Air delivered on every level—comfort, sustainability, and pure happiness. We were struggling with a broken Dyvak system that left our home feeling stale, unevenly heated, ...
This review related to solar panels, battery storage, HVAC, and roof replacement (yes, crazily did all four). We decided last year to get a solar and battery backup due to frequent brownouts and blac...
I was at Lowe’s in Concord buying lumber and needed help in lowering the plywood from a high rack Mark of Green Air was also there to purchase the same plywood. We partnered up and managed to get th...
Solar Technologies
We're very happy with the personal attention we got from Liz at Solar Technologies. Every step of the way, from the original quote through the permitting and installation, went smoothly. Working with ...
One of the smoothest and stress free jobs I’ve ever experienced. Very knowledgeable and helpful technicians and customer service
Great company to work with. Sara was very helpful in scheduling and going over the work. Javier is an amazing guy - one man army - who can accomplish a lot of things including installation, checking, ...
Consider Green Air Heating And Air Conditioning if...
- ✓ You're planning a coordinated energy upgrade combining solar with HVAC replacement, heat pump installation, or ductwork improvements that benefit from single-contractor coordination
- ✓ You want Tesla Powerwall or battery storage integrated with your solar system by a team experienced in multi-system electrical integration
- ✓ Responsive service calls and ongoing maintenance across multiple energy systems matter to your long-term plans
- ✓ High owner involvement and detailed technical explanations about how your complete energy system operates appeal to you
Consider Solar Technologies if...
- ✓ Your project is purely solar installation without planned HVAC work, and you prefer a contractor whose entire focus is photovoltaic expertise
- ✓ You value a low-pressure, educational sales approach with specialized solar consultants who focus exclusively on system design and energy production
- ✓ Thorough handling of solar-specific permitting and HOA processes is a priority given your municipality's requirements
- ✓ You need ongoing solar-specific services like panel cleaning, critter guard installation, system expansions, or inverter troubleshooting from a dedicated solar service team
Questions to Ask Before Hiring
- → Ask Solar Technologies about their current service department response times and how they handle post-installation troubleshooting requests, given mixed feedback on communication during delays
- → Ask Green Air what percentage of their current business is solar versus HVAC, and whether your solar project will be managed by their solar-experienced team or coordinated with other trades
- → Request references from both companies for projects similar in scope to yours, whether that's standalone solar or integrated energy system work
- → Ask both companies about their installation crew stability and how long their current solar installation teams have been together
The Bottom Line
Choose Solar Technologies if your project is strictly solar installation and you want a contractor whose entire operation specializes in photovoltaic systems, particularly if navigating complex permitting or HOA requirements. Their educational sales approach and dedicated solar focus suit homeowners who want deep expertise in panel systems without other trade involvement. Choose Green Air if you're planning coordinated energy improvements where solar integrates with HVAC upgrades, battery storage, or electrical work requiring multi-system coordination. Their responsive service and high owner involvement benefit complex projects needing ongoing support across multiple energy systems. Both companies have equivalent credentials and experience levels, so your decision should reflect project scope rather than contractor maturity.
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Frequently Asked Questions
It matters in how they allocate attention and expertise. Green Air handles standalone solar projects, but their business model emphasizes integrated systems where solar works with HVAC upgrades. If you're certain you only need photovoltaic installation, Solar Technologies' exclusive focus means every team member specializes in solar-specific challenges like inverter selection, panel positioning, and production optimization. Ask Green Air directly whether they recommend any HVAC assessment before solar installation.
The feedback indicates concerns about communication timing during delays rather than project abandonment. Solar Technologies completes installations professionally, but some customers experienced gaps in updates when permitting or inspection schedules shifted. If you have strict timeline requirements, discuss their communication protocol upfront and request a dedicated project manager contact. Their installation quality receives consistent praise even when timeline communication faltered.
Green Air's 18 years include solar projects across multiple East Bay municipalities, and their feedback mentions permitting coordination for integrated systems. However, Solar Technologies' feedback specifically highlights their familiarity with local municipal requirements and HOA processes as a distinguishing strength. If your property has complicated permitting situations like historical district requirements or restrictive HOA rules, ask both companies about their experience with your specific municipality and request examples of similar approvals they've obtained.
Green Air explicitly lists Tesla Powerwall and battery storage systems in their service portfolio with documented customer projects combining solar and batteries. Solar Technologies focuses on solar panel systems without battery integration appearing in their description or project types. If future battery addition is likely, Green Air's demonstrated experience coordinating these systems means they'll understand the electrical integration requirements from the initial solar design. Ask them to design your system with battery-ready specifications even if you're not installing storage immediately.
Looking for the Best?
See our ranked list of top solar contractors in Contra Costa.
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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 08, 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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