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Aquinas Hvac vs Supreme Air Systems

Santa Clara HVAC Contractors Comparison · Updated March 2026

Quick Verdict

Supreme Air Systems brings 28 years of licensed experience versus Aquinas HVAC's 8 years, offering different value propositions for maintenance-focused versus emergency-focused needs.

Aquinas Hvac: Aquinas HVAC is an 8-year experienced contractor recognized for rapid emergency response and same-day service availability.
Supreme Air Systems: Supreme Air Systems is a 28-year veteran contractor with a preventive maintenance focus and multi-decade customer relationships.
Aquinas Hvac Supreme Air Systems
Rating 5.0 4.9
Years Licensed 8 years 28 years
License # 1042033 740667
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Santa Clara, CA Campbell, CA
Website www.aquinashvac.com www.supremeair.net

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Key Differences

The 20-year experience gap between these contractors represents fundamentally different service models. Supreme Air Systems has spent 28 years building a maintenance-centric practice with semi-annual service programs and customers reporting 10 to 20-year relationships. This veteran contractor has weathered multiple equipment generation changes and building code updates, providing depth when diagnosing complex system interactions or older equipment issues. Their reviews emphasize scheduled maintenance, proactive appointment reminders, and consistent service quality across different technicians over many years. Aquinas HVAC, with 8 years of operation, has built its reputation on emergency responsiveness and quick turnaround times. Customers consistently mention same-day and next-day service during urgent situations like heatwaves and winter failures. Their approach centers on reactive service excellence rather than scheduled maintenance programs. Both companies demonstrate technical competence and professionalism, but Supreme Air Systems appeals to homeowners seeking preventive care relationships while Aquinas HVAC excels when you need someone fast.

What Customers Say

Aquinas Hvac

Aquinas HVAC customers consistently emphasize rapid emergency response with same-day service during urgent heating and cooling failures.

Supreme Air Systems

Supreme Air Systems customers describe decade-long maintenance relationships with proactive scheduling and thorough preventive care visits.

Key Takeaway: Aquinas HVAC built its reputation on crisis response speed while Supreme Air Systems focuses on preventing crises through scheduled maintenance programs and long-term customer relationships.

Customer Reviews

Aquinas Hvac

Aug 2025

Mark, Tim and Celeste have been a wonder to work with. They provide us with quick and easy services.

Feb 2025

Excellent customer service! John was super friendly and easy to connect with, and he got the job done quickly and efficiently!

Oct 2024

John Carlo performed my dryer vent cleaning today and did a wonderful job. He was polite and professional, and did a great job educating me on the importance of keeping the dryer vent clean, as well a...

Supreme Air Systems

Oct 2025

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...

May 2025

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...

May 2025

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 Aquinas Hvac if...

  • You need emergency HVAC service within 24 hours during extreme weather when your system has failed unexpectedly and fast response matters more than long-term maintenance history
  • You prefer competitive pricing and getting multiple quotes, as customers specifically note Aquinas offers reasonable rates compared to other contractors
  • Your HVAC needs are primarily repair-focused rather than maintenance-oriented, and you value a company that responds quickly when problems arise
  • You're installing a new system and want efficient installation with clear communication throughout the process without committing to ongoing maintenance contracts
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Consider Supreme Air Systems if...

  • You want to prevent emergency breakdowns through scheduled semi-annual maintenance rather than dealing with crisis repairs during heat waves or cold snaps
  • Your property has older or complex HVAC systems where 28 years of troubleshooting experience across multiple equipment generations provides meaningful diagnostic advantages
  • You value long-term contractor relationships and appreciate proactive service reminders rather than having to remember to schedule maintenance yourself
  • You manage multiple properties or have specialized facilities like medical centers where consistent service quality across a fleet of systems matters significantly
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Questions to Ask Before Hiring

  • Ask Aquinas HVAC whether they offer preventive maintenance programs if you want scheduled tune-ups rather than just emergency response service
  • Ask Supreme Air Systems about their emergency response times and availability for urgent same-day repairs when systems fail unexpectedly
  • Ask both companies for references from projects matching your specific needs, whether that's rapid emergency repair or long-term maintenance relationships
  • Confirm with both contractors how long their current technician teams have been with the company to understand service consistency

The Bottom Line

If your HVAC system just failed and you need service this week, Aquinas HVAC's documented rapid response and same-day availability make them the practical choice for urgent situations. Their 8 years of experience handles most residential HVAC needs competently at competitive prices. However, if you're planning ahead, want to prevent emergencies through scheduled maintenance, or have complex older systems where diagnostic depth matters significantly, Supreme Air Systems' 28-year track record and preventive care model provide meaningful advantages. For homeowners who value proactive maintenance over reactive repairs, Supreme Air Systems' veteran experience and long-term customer relationships justify choosing them despite potentially slower emergency response. Choose based on whether you're solving an immediate crisis or building a long-term maintenance relationship.

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Frequently Asked Questions

For straightforward replacements on newer homes, both contractors can handle the work competently. The experience gap becomes significant when diagnosing intermittent problems, working with older equipment, addressing ductwork issues that compound over decades, or handling unexpected complications during installations. Supreme Air Systems' 28 years means they've seen virtually every failure mode and system interaction, while Aquinas HVAC's 8 years still provides solid troubleshooting capability for most residential situations.

Aquinas HVAC has built their reputation specifically on rapid emergency response with customers consistently reporting same-day and next-day service during crisis situations. Supreme Air Systems focuses on preventive maintenance to avoid emergencies, and their reviews don't emphasize emergency response speed. If you're already in a crisis and need someone today, Aquinas HVAC's service model aligns better with that urgent need.

Supreme Air Systems' business model centers on scheduled maintenance programs with semi-annual visits, and their long-term customer relationships suggest this approach resonates with their client base. If you prefer on-demand service only when something breaks, their preventive maintenance focus may feel like more structure than you want. Ask directly about one-time service availability versus their maintenance program expectations.

Eight years of licensed operation means Aquinas HVAC has completed hundreds of installations and repairs across different system types and complications. They're not newcomers, and customer feedback confirms technical competence and problem-solving ability. However, Supreme Air Systems' 28 years provides substantially more exposure to rare failure scenarios, obsolete equipment, and building systems that have degraded over decades in ways that only reveal themselves during service calls.

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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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