Compare Local Pros
Rad Air Care Us vs Therma Tech
Santa Clara HVAC Contractors Comparison · Updated March 2026
Therma Tech brings 18 years of HVAC experience versus Rad Air Care Us with just one year licensed, though both deliver responsive service.
| Rad Air Care Us | Therma Tech | |
|---|---|---|
| Rating | ★ 4.4 | ★ 4.9 |
| Years Licensed | 1 years | 18 years |
| License # | 1134621 | 913806 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Campbell, CA | San Jose, CA |
| Website | www.radaircareus.com | www.thermatechhvac.com |
Key Differences
What Customers Say
Rad Air Care Us
Customers praise Rad Air Care Us for quick emergency response, on-time arrivals, and professional technicians who explain issues clearly during straightforward repairs and installations.
Therma Tech
Therma Tech receives consistent feedback for thorough diagnostics with photo documentation, detailed explanations without sales pressure, and sustained customer relationships spanning multiple years and repeat service.
Key Takeaway: Therma Tech's reviews emphasize comprehensive diagnostic processes and long-term customer relationships, while Rad Air Care Us focuses on responsive emergency service and efficient project completion.
Customer Reviews
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 ...
Therma Tech
Those of you reading my reviews, you know how important quality of service is to me. Any company I come in contact with, I pay close attention to their quality of service, value and even some time aft...
Everyone at Therma Tech was great to work with and professional. They worked with us to get the duct work done as soon as possible to get the heat back on for our tenants.
Very honest and knowledgable. They arrive right on time and are able to root-cause the issue and fix it in no time. Highly recommend them.
Consider Rad Air Care Us if...
- ✓ You have a straightforward emergency repair need like a simple AC failure during summer and want fast, affordable service without complexity.
- ✓ Your HVAC system is relatively new and the issue is likely a simple component failure rather than a systemic problem requiring deep diagnostic experience.
- ✓ You're working through a home warranty company that has already diagnosed the problem and you need an approved contractor to complete the repair.
Consider Therma Tech if...
- ✓ Your HVAC system is older than 10 years and you need a contractor who can identify hidden damage, ductwork issues, or complications that less experienced technicians might miss.
- ✓ You're planning a major installation like a full system replacement, heat pump upgrade, or ductwork modification where experience preventing and solving installation problems matters significantly.
- ✓ You want a contractor with proven longevity for warranty support and future maintenance, not one who may not be in business in three years.
- ✓ You're experiencing intermittent or hard-to-diagnose problems that require extensive troubleshooting expertise rather than straightforward repairs.
Questions to Ask Before Hiring
- → Ask Rad Air Care Us for references from installations similar to yours and inquire about the lead technician's total years in HVAC work, not just company licensing history.
- → Ask Therma Tech about their typical response time for your specific service area in Campbell or Morgan Hill, since they're based in San Jose.
- → For complex installations, ask both companies how they handle unexpected complications and what their process is for diagnosing problems beyond the initial assessment.
The Bottom Line
For most homeowners, Therma Tech is the safer choice. Their 18 years of experience means better diagnostic capability, proven ability to handle complications, and established business longevity for warranty support. This matters significantly for system replacements, complex repairs, older HVAC equipment, or any situation where getting it right the first time is critical. Rad Air Care Us can be appropriate for straightforward emergency repairs on newer systems or warranty work where the diagnosis is already confirmed, particularly if their pricing is notably lower. However, with only one year licensed, they haven't yet demonstrated the problem-solving depth that 18 years provides. Get estimates from both, but unless Rad Air Care Us offers substantial cost savings and your project is simple, Therma Tech's experience justifies choosing them.
Get Up to 3 Free Quotes
Compare prices from licensed, verified contractors
Frequently Asked Questions
For truly straightforward repairs like replacing a capacitor or cleaning coils, the experience gap matters less. However, even simple-seeming AC failures can have underlying causes that experienced technicians spot faster, potentially saving you from repeat service calls. If your system is older or the problem is intermittent, experience becomes significantly more valuable.
Not necessarily, but you need to ask more questions. The company license is one year old, but the owner or lead technicians may have years of prior HVAC experience working for other companies. Ask directly about the installation crew's experience and request references from similar projects to assess their capability beyond just the company licensing date.
Customer reviews specifically mention Therma Tech's competitive and fair pricing compared to other contractors, so their experience doesn't appear to translate to premium pricing. However, get written estimates from both companies for your specific project to compare actual costs rather than assumptions.
Both receive positive feedback for quick response, with customers of each reporting same-day emergency appointments. Response time likely depends more on current scheduling and your specific location than company policy. Call both and compare their actual availability for your situation this week.
Looking for the Best?
See our ranked list of top hvac contractors in Santa Clara.
Other Santa Clara HVAC Contractors Comparisons
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.
Get in Touch
Have questions or feedback? We'd love to hear from you.