Compare Local Pros
Comfort Energy vs Therma
Santa Clara HVAC Contractors Comparison · Updated March 2026
Comfort Energy focuses exclusively on residential HVAC service while Therma specializes in commercial and industrial mechanical contracting.
| Comfort Energy | Therma | |
|---|---|---|
| Rating | ★ 4.8 | ★ 4.6 |
| Years Licensed | 21 years | 9 years |
| License # | 858776 | 1027316 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Milpitas, CA | San Jose, CA |
| Website | www.comfortenergy.com | www.therma.com |
Key Differences
What Customers Say
Comfort Energy
Customers consistently praise prompt emergency scheduling, thorough diagnostics, and detailed explanations from professional technicians serving residential HVAC needs.
Therma
Customers highlight exceptional custom fabrication capabilities, precision manufacturing quality, and professional service for commercial and industrial mechanical projects.
Key Takeaway: Comfort Energy's feedback centers entirely on residential service experiences while Therma's reviews focus on commercial manufacturing capabilities and industrial project quality.
Customer Reviews
Comfort Energy
Excellent service from Stephan Reich. He was professional, knowledgeable, and diagnosed the issue within 15–20 minutes. The $200 consultation fee is on the higher side, but it was absolutely worth ...
Stephon is the best technician at Comfort Energy. He was very professional and had a great attitude. He deserves a raise.
The technician was professional and worked efficiently. He is very nice and explained everything.
Therma
Did Stanford blood donation here today.
Can't say enough about this company this group of guys the work that they do and the high technology that they are getting involved in. There is a manager Paul there, great guy hard worker. The compan...
Top notch mechanical contractor. Very professional.
Consider Comfort Energy if...
- ✓ You need residential HVAC services including furnace or AC installation, repair, or maintenance for your home
- ✓ You value same-day or next-day emergency repair availability when your heating or cooling fails
- ✓ You want a contractor with 21 years of experience specifically diagnosing and servicing home comfort systems
- ✓ You appreciate detailed explanations of repair options and thorough diagnostics from technicians familiar with residential equipment brands like Lennox, Mitsubishi, and Goodman
Consider Therma if...
- ✓ You operate a commercial or industrial facility requiring custom duct manufacturing or specialty fabrication
- ✓ You need process equipment fabrication, medical gas systems, or industrial plumbing and steam systems
- ✓ Your project involves custom metal fabrication with precision dimensional requirements for commercial applications
- ✓ You require high-volume manufacturing capabilities for specialty ducting components or electrical gutters in an industrial setting
Questions to Ask Before Hiring
- → Ask Therma directly whether they take residential HVAC projects and if they have recent references for home installations or repairs
- → Ask Comfort Energy about their experience with your specific HVAC system type and brand to confirm compatibility
- → Request timeline estimates for your project, especially if you need emergency repair service versus scheduled installation
The Bottom Line
For residential HVAC installation, repair, or maintenance, choose Comfort Energy without hesitation. Their 21 years of residential specialization, same-day emergency service capability, and extensive homeowner feedback make them the appropriate contractor for home comfort systems. Therma excels at commercial mechanical contracting and custom industrial fabrication, but their business focuses on commercial facilities rather than residential work. This isn't a close comparison—you're choosing between a residential HVAC specialist and a commercial mechanical contractor. Contact Comfort Energy for your home heating and cooling needs.
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Frequently Asked Questions
Therma specializes in commercial and industrial mechanical contracting with emphasis on custom fabrication and manufacturing. Their reviews and project history focus on commercial facilities, custom duct manufacturing, and industrial systems rather than residential HVAC service. You should contact them directly to confirm whether they accept residential work, though Comfort Energy's business model aligns with typical home HVAC needs.
Yes, particularly because Comfort Energy's 21 years are specifically in residential HVAC work. This means substantially more experience diagnosing hidden issues in home systems, navigating residential code requirements, and working with the brands and equipment common in houses. Therma's 9 years represent solid commercial experience, but in a different market segment with different technical demands.
Comfort Energy's reviews consistently mention same-day and next-day emergency repair availability for residential heating and cooling failures. Therma's business model focuses on commercial projects and custom manufacturing, which typically operate on project schedules rather than emergency residential service calls. For urgent home HVAC repairs, Comfort Energy's infrastructure supports rapid response.
Pricing structures differ fundamentally between residential service contractors and commercial fabricators. Comfort Energy's pricing reflects residential HVAC installation and repair work with transparent options for homeowners. Therma's commercial and manufacturing focus likely involves project-based pricing for industrial applications. For typical home HVAC work, Comfort Energy's business model provides more relevant pricing frameworks.
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See our ranked list of top hvac 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 07, 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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