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Global Heating And Cooling Services vs Rad Air Care Us
Santa Clara HVAC Contractors Comparison · Updated March 2026
Global Heating And Cooling Services brings nine years of licensing experience versus Rad Air Care Us's single year, a significant difference for diagnosing complex HVAC issues.
| Global Heating And Cooling Services | Rad Air Care Us | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.4 |
| Years Licensed | 9 years | 1 years |
| License # | 1025424 | 1134621 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Milpitas, CA | Campbell, CA |
| Website | www.goglobalhvac.com | www.radaircareus.com |
Key Differences
What Customers Say
Global Heating And Cooling Services
Customers consistently praise Global's quick diagnostic ability and honest approach that favors repair over replacement when economically sensible.
Rad Air Care Us
Customers highlight Rad Air's professionalism and thorough explanations during service delivery despite being a newer company.
Key Takeaway: Global's feedback emphasizes diagnostic speed and judgment developed over years, while Rad Air's reviews focus on professional demeanor and communication without yet establishing patterns around technical expertise or repair philosophy.
Customer Reviews
Global Heating And Cooling Services
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.
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 ...
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...
Rad Air Care Us
Our AC stopped working on a hot holiday, and we needed emergency service. Rad Air Care US responded very quickly, came the same day, and fixed it perfectly! The team was on time, polite, and professio...
They were really nice to work with-super quick and easy from start to finish. The quality was great, and the whole process felt hassle-free. I'd definitely recommend them!
Recently, I had Rad Air Care US install a Carrier central heat pump in my home in Morgan Hill, replacing my 30-year-old system. From the very beginning, the Rad Air Care US team managed every step of ...
Consider Global Heating And Cooling Services if...
- ✓ Your HVAC system is older than 10 years and may present unusual diagnostic challenges that benefit from a technician who has seen hundreds of aging systems
- ✓ You value a contractor's reputation for honest repair-versus-replace recommendations based on years of customer feedback noting this pattern
- ✓ Your project involves complex ductwork or system configurations where experience with varied installations reduces the risk of overlooked complications
- ✓ You prefer working with a company that has navigated nine years of seasonal demand cycles and built operational stability
Consider Rad Air Care Us if...
- ✓ Your project is straightforward—a standard system replacement or common repair where the experience gap matters less than availability and pricing
- ✓ You're working through a home warranty company and Rad Air Care Us is on their approved provider list
- ✓ You want to support a newer business that's demonstrating professionalism and building its reputation with solid early customer feedback
- ✓ Their Campbell location or scheduling availability works better for your specific timeline
Questions to Ask Before Hiring
- → Ask Rad Air Care Us how many similar projects their lead technician has personally completed and request references from projects matching your system type and age
- → Ask Global Heating And Cooling Services about their experience with your specific equipment brand and whether they stock common parts for faster repairs
- → For complex installations, ask both companies what unexpected issues they've encountered on similar projects and how they handled them
The Bottom Line
Global Heating And Cooling Services is the safer choice for most homeowners, particularly those with older systems, complex diagnostic needs, or concerns about honest recommendations. Nine years of licensing represents meaningful exposure to diverse problems and system configurations that a one-year contractor simply hasn't accumulated yet. Rad Air Care Us demonstrates professionalism and responsiveness that suggest they're building a solid business, making them a reasonable option for straightforward projects or if they offer significantly better pricing or availability. However, if your HVAC system is presenting puzzling symptoms, requires complex installation work, or you simply want the confidence that comes from a nearly decade-long track record, Global's experience advantage is worth prioritizing this week.
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Frequently Asked Questions
For truly straightforward issues like a failed capacitor or thermostat problem, the gap matters less—both companies can handle common repairs. However, HVAC systems often present symptoms that could indicate multiple underlying issues, and nine years of experience means Global's technicians have built diagnostic pattern recognition that helps them identify problems faster and avoid misdiagnosis. If your system is older or the problem isn't immediately obvious, that experience advantage becomes more significant.
Not necessarily—their one year of licensing shows they've completed the requirements for independent operation, and customer feedback indicates professional installation work. However, full system replacements involve sizing calculations, ductwork assessment, and anticipating integration issues that experienced contractors handle more smoothly. Ask Rad Air for references from similar installations and confirm their lead installer's total years in HVAC, which may extend beyond their company's licensing period.
Both companies receive consistent feedback for same-day emergency service and quick response times, so availability appears comparable. The advantage shifts to Global for emergency diagnosis because their nine years means faster identification of the actual problem, which matters when you need heat restored quickly. However, if Rad Air can arrive sooner on your specific day, the scheduling advantage may outweigh the experience gap for straightforward emergency failures.
This pattern in customer feedback suggests technicians who aren't incentivized to oversell, which protects your wallet on service calls that could go either way. Over nine years, this approach builds trust and repeat business, indicating it's genuine rather than occasional. If your system is marginal and you're concerned about being pushed toward unnecessary replacement, this track record is valuable and distinguishes Global from contractors known for aggressive upselling.
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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 09, 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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