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Aquinas Hvac vs Global Heating And Cooling Services

Santa Clara HVAC Contractors Comparison · Updated March 2026

Quick Verdict

Two closely matched experienced HVAC contractors with similar qualifications, differentiated primarily by owner involvement and diagnostic approach.

Aquinas Hvac: Eight-year veteran known for rapid emergency response and clear customer communication throughout the service process.
Global Heating And Cooling Services: Nine-year established contractor with high owner involvement, recognized for quick phone troubleshooting and honest repair-versus-replacement recommendations.
Aquinas Hvac Global Heating And Cooling Services
Rating 5.0 5.0
Years Licensed 8 years 9 years
License # 1042033 1025424
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Santa Clara, CA Milpitas, CA
Website www.aquinashvac.com www.goglobalhvac.com

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Key Differences

The most significant differentiator is Global Heating And Cooling Services' high owner involvement versus Aquinas HVAC's unclear ownership presence in day-to-day operations. Global's owner-engaged model translates to phone troubleshooting before visits and a documented pattern of recommending repairs over replacements when feasible, suggesting a more consultative approach. Customers specifically mention the company's preference for economical solutions. Aquinas HVAC earns recognition for thorough on-site explanations and competitive pricing, with emphasis on professional communication throughout the entire service process. Global's reviews highlight technicians diagnosing problems within minutes of arrival, while Aquinas customers focus on the broader experience from initial contact through payment. Both handle identical project types from repairs to full system replacements. The one-year licensing difference is negligible at this experience level. Location-wise, Aquinas operates from Santa Clara while Global is based in Milpitas, both serving the same county with similar emergency response capabilities.

What Customers Say

Aquinas Hvac

Customers consistently praise Aquinas HVAC for rapid emergency response, professional technician demeanor, and strong communication throughout the entire service experience from initial contact through payment.

Global Heating And Cooling Services

Global Heating And Cooling Services earns recognition for quick phone troubleshooting, arriving on time or early, and honest recommendations favoring repairs over replacements when feasible.

Key Takeaway: Global's owner involvement creates a more consultative, troubleshooting-first approach with emphasis on economical solutions, while Aquinas focuses on professional service delivery with comprehensive communication and competitive pricing.

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...

Global Heating And Cooling Services

Jan 2026

John did a great job walking me through a quick fix to get my Nest thermostat to charge again by phone. Would highly recommend Global Heating and Cooling Services.

Jan 2026

Joey came by promptly and on time, took a look at the hvac and immediately saw the problem. He got it fixed up the next day and the overall cost was really reasonable. All communication was quick and ...

Jan 2026

I contacted John via text on Tuesday night. He got right back and scheduled to come out the next day. He showed up early, fixed the furnace quickly and charged me a very reasonable price (much less th...

Consider Aquinas Hvac if...

  • You value structured communication throughout the entire service experience, from scheduling through final billing, rather than just technical competence at the service call
  • You're comparing multiple quotes and want competitive pricing that customers consistently describe as reasonable against other providers
  • You need emergency service during extreme weather events and prioritize companies with documented heatwave and cold-weather crisis response experience
  • You prefer working with a team of technicians rather than an owner-operated model, particularly if you need service when the owner might be unavailable
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Consider Global Heating And Cooling Services if...

  • You appreciate phone troubleshooting before paying for a service visit, potentially resolving simple issues remotely or arriving better prepared
  • You want owner involvement in your project coordination and communication, particularly for complex installations or when making repair-versus-replace decisions
  • You prefer contractors known for honest recommendations about repairing existing equipment rather than defaulting to replacements
  • You're located in or near Milpitas and value slightly shorter travel distances for emergency calls
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Questions to Ask Before Hiring

  • Ask Aquinas HVAC whether the owner is involved in estimates and project coordination, or if you'll work exclusively with technicians and office staff
  • Ask Global Heating And Cooling Services about their phone troubleshooting process and whether they charge if the issue is resolved remotely
  • Ask both companies for references from projects similar to yours, specifically focusing on whether customers worked with repeat technicians or different team members
  • Ask both contractors about their typical timeline from diagnosis to installation for full system replacements during peak season

The Bottom Line

These are two genuinely comparable contractors with nearly identical credentials and emergency response capabilities. Choose Global Heating And Cooling Services if you value owner involvement, appreciate phone troubleshooting before service visits, and want a contractor with documented feedback about honest repair recommendations over automatic replacements. Choose Aquinas HVAC if you prefer working with an established technician team, value comprehensive communication throughout the service process, or want a contractor specifically recognized for competitive pricing. Neither choice represents a compromise on experience, protection, or technical capability. Your decision can reasonably come down to communication style preference and which company has better availability when you call this week.

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Frequently Asked Questions

Not meaningfully. Both contractors have 8-9 years of California licensure, placing them solidly in the experienced category. At this experience level, both have handled multiple heating and cooling seasons, encountered the full range of system failures, and worked with various equipment brands. The practical difference in capability is negligible.

Global Heating And Cooling Services has specific customer feedback noting their preference for repair over replacement when feasible and recommending economical solutions. Multiple reviews mention technicians explaining options rather than defaulting to new equipment. While Aquinas likely offers repairs as well, this pattern isn't specifically highlighted in their customer feedback.

Global Heating And Cooling Services operates with high owner involvement in customer communication and service coordination, so you'll likely interact with the owner during your project. Aquinas HVAC's owner involvement is unclear from available information, suggesting you'll primarily work with their technician team and office staff. Ask Aquinas directly if owner involvement matters to you.

Both have documented patterns of rapid emergency response and same-day availability for urgent situations. Aquinas specifically mentions 24-hour scheduling for urgent issues, while Global offers phone troubleshooting that may resolve problems faster without a visit. In practice, both appear equally capable of handling HVAC emergencies quickly during heatwaves or cold snaps.

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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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