Compare Local Pros
Clean Solar vs Supreme Air Systems
Santa Clara Solar Contractors Comparison · Updated March 2026
You're comparing a solar specialist to an HVAC company, so your decision comes down to whether you need solar panels and batteries or heating and cooling services.
| Clean Solar | Supreme Air Systems | |
|---|---|---|
| Rating | ★ 4.5 | ★ 4.9 |
| Years Licensed | 18 years | 28 years |
| License # | 910849 | 740667 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | San Jose, CA | Campbell, CA |
| Website | www.cleansolar.com | www.supremeair.net |
Key Differences
What Customers Say
Clean Solar
Clean Solar customers emphasize thorough technical education during consultations and responsive project communication throughout solar installations and battery system integrations.
Supreme Air Systems
Supreme Air Systems customers highlight decade-long service relationships built on reliable semi-annual maintenance visits with consistent quality across different technicians.
Key Takeaway: Clean Solar's feedback centers on detailed explanations for complex solar investment decisions, while Supreme Air Systems reviews focus on long-term maintenance consistency and relationship stability over many years.
Customer Reviews
Clean Solar
Support group was very resonsive to my questions within hours. Great to have knowegeable help when it's needed.
Project: add whole-house battery backup to a 20 year-old home with existing solar PV system. I had three goals: 1. Load shifting (provide electricity during peak energy charges) 2. Provide backup pow...
My husband and I had a terrific and lengthy phone experience where Art explained in depth about solar panels and batteries. He was patient in answering all our questions and very generous with his t...
Supreme Air Systems
I have been dealing with Supreme Air Systems for several years. As a follow-up to my last review, Raul did a thorough cleaning and servicing out HVAC system. He was polite, efficient and did an amaz...
Supreme Air installed a new HVAC system at my condo. Alan was responsive and made sure everything was done right, and everyone was friendly and easy to work with, from the administrative team to Humbe...
Excellent service. Technician came at the time requested, changed the filter, replaced the batteries in the thermostat and cleaned up after himself. Bravo Supreme! MEWIST owner Skin Deep Beauty & Beyo...
Consider Clean Solar if...
- ✓ You're planning a solar panel installation, battery backup system like Tesla Powerwall, or need to expand an existing solar array with additional capacity.
- ✓ You want detailed explanations of technical decisions including equipment options, system sizing, and energy production estimates before committing to a solar investment.
- ✓ Your project involves coordinating solar installation with roof replacement work, which Clean Solar handles as combined projects.
- ✓ You value a thorough consultation process for a complex, long-term investment rather than routine equipment maintenance.
Consider Supreme Air Systems if...
- ✓ You need HVAC services including furnace, air conditioner, heat pump, or ventilation system installation, repair, or maintenance.
- ✓ You're looking for a long-term maintenance relationship with scheduled semi-annual tune-ups to extend equipment life and prevent breakdowns.
- ✓ You manage multiple properties or want a single contractor who can handle diverse HVAC needs from system installations to dryer vent cleaning.
- ✓ You value a company with nearly three decades of local presence and customers reporting 10 to 20-year service relationships demonstrating business stability.
Questions to Ask Before Hiring
- → If considering Clean Solar for a solar project, ask how they handle warranty service and system monitoring after installation is complete, since their model appears project-focused rather than maintenance-based.
- → If considering Supreme Air Systems for HVAC work, ask about their maintenance program costs and what specific services are included in semi-annual visits to understand the long-term relationship.
- → For either company, confirm current lead times for your specific project type, as veteran contractors with strong reputations may have scheduling constraints during peak seasons.
The Bottom Line
Your decision is straightforward: hire Clean Solar if you need solar panels, battery backup systems, or solar-related roofing work; hire Supreme Air Systems if you need heating, cooling, ventilation, or water heater services. Both are veteran contractors with proper insurance, strong customer feedback, and professional operations. Clean Solar excels at explaining complex solar technology decisions for what's typically a significant one-time investment, while Supreme Air Systems builds long-term maintenance relationships to keep HVAC systems running efficiently. The question isn't which contractor is better—it's which trade you need. If your project involves both solar and HVAC work, you'll need to hire both companies and coordinate the timing yourself.
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Frequently Asked Questions
No, these companies specialize in different trades. Clean Solar would handle your solar panels and battery systems, while Supreme Air Systems would manage heating and cooling equipment. You would need to hire and coordinate both contractors separately if your project involves both solar and HVAC work.
Both have veteran-level experience in their specific trades. Supreme Air Systems' additional 10 years matters less than trade relevance—18 years of solar expertise is more valuable for a solar project than 28 years of HVAC experience, and vice versa. Both have sufficient experience to handle complex projects in their respective fields.
The review data doesn't indicate Clean Solar operates a scheduled maintenance program like Supreme Air Systems' semi-annual HVAC visits. Solar systems typically require less frequent maintenance than HVAC equipment. Ask Clean Solar directly about their post-installation monitoring, warranty service, and any available maintenance options for panels and battery systems.
Supreme Air Systems operates from Campbell, which may offer slight convenience for local HVAC service calls. Clean Solar operates from San Jose, about 6 miles away, which is negligible for solar installations that involve longer project timelines and scheduled appointments. Both companies clearly serve the entire Santa Clara County area effectively.
Looking for the Best?
See our ranked list of top solar contractors in Santa Clara.
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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 11, 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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