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Cinnamon Energy Systems vs Advanced Technical Hvac
Santa Clara HVAC Contractors Comparison · Updated March 2026
This comparison depends entirely on your project type: Cinnamon specializes in solar and battery systems with 13 years experience, while Advanced Technical focuses on HVAC with just one year licensed.
| Cinnamon Energy Systems | Advanced Technical Hvac | |
|---|---|---|
| Rating | ★ 4.8 | ★ 5.0 |
| Years Licensed | 13 years | 1 years |
| License # | 976065 | 1133034 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Los Gatos, CA | Milpitas, CA |
| Website | www.cinnamon.energy | advancedtechnicalhvac.com |
Key Differences
What Customers Say
Cinnamon Energy Systems
Customers consistently praise Cinnamon's comprehensive project management from design through completion, with particular emphasis on smooth permitting processes and professional installation crews maintaining clean worksites.
Advanced Technical Hvac
Customers highlight Advanced Technical's quick diagnostic abilities and honest assessments, frequently noting the owner's technical knowledge and willingness to recommend repairs over replacements.
Key Takeaway: Cinnamon receives feedback focused on systematic project execution over weeks-long installations, while Advanced Technical is praised for rapid response and same-day service during urgent situations.
Customer Reviews
Cinnamon Energy Systems
I started thinking about solar last year, but it was not until this year when I became serious. I talked to as many as 6 companies who serve San Jose area, and in the end, I decided to go with Cinnamo...
Cinnamon is a highly rated company and I was overall happy with the work. Sometimes communication was tricky but Consultant Michael Croft helped me navigate the process when clarification and service ...
We are quite happy with our solar power system installed by Cinnamon Energy Systems. We are fortunate enough to have south and west facing roofs and were able to work with them to install a system of...
Advanced Technical Hvac
Exceptional service at fair prices! Julio from Advanced Technical HVAC is professional, thorough, and knowledgeable. I had a non-working AC unit that he quickly diagnosed and fixed, explaining everyth...
I am pleased to provide this referral regarding the service performed on my property located in Lafayette. The level of professionalism, technical expertise, and overall quality of workmanship demonst...
Excellent service for repairing HVAC. Julio was professional, honest and reliable.
Consider Cinnamon Energy Systems if...
- ✓ You're installing solar panels, battery backup systems like Tesla Powerwall, or planning whole-home electrification that requires coordination between solar production and energy usage
- ✓ Your project involves complex permitting, utility interconnection agreements, or electrical panel upgrades where 13 years of local permitting relationships provides practical value
- ✓ You want a heat pump installation approached as part of a broader energy strategy rather than a standalone HVAC replacement
- ✓ You prefer working with an established contractor whose business has weathered multiple market cycles and maintains consistent crews
Consider Advanced Technical Hvac if...
- ✓ You need diagnosis and repair of an existing HVAC system that isn't working properly, especially if previous contractors couldn't identify the problem
- ✓ You have an urgent heating or cooling failure and need same-day response during peak seasons
- ✓ Your project is a straightforward HVAC repair, capacitor replacement, refrigerant leak fix, or traditional AC and furnace work unrelated to solar
- ✓ You value direct owner involvement and are comfortable with a newer business that demonstrates technical competency but lacks long-term track record
Questions to Ask Before Hiring
- → For Advanced Technical: Ask for references from heat pump installations completed in the past year, and confirm how they handle warranty issues or callbacks given their recent establishment
- → For Cinnamon: If considering HVAC work, clarify whether heat pump installations are handled by dedicated HVAC-certified technicians or as part of solar crews
- → For both: Ask about their specific experience with your equipment brand and whether they're certified installers, as manufacturer warranties may require certified contractors
- → For Advanced Technical: Confirm how long their current technicians have been in the HVAC trade, as the company's one-year license doesn't reflect individual technician experience
The Bottom Line
This decision comes down to project type, not contractor quality comparison. If you're installing solar panels, battery systems, or planning whole-home electrification, choose Cinnamon Energy Systems—their 13 years of specialization, established permitting relationships, and systematic approach to complex installations make them the clear choice for energy projects. If you need HVAC repair, system diagnosis, or traditional heating and cooling work, choose Advanced Technical HVAC despite their newer status—customer feedback confirms strong diagnostic skills and responsive service. For standalone heat pump installation unrelated to solar, Advanced Technical's HVAC focus is more efficient. Only if you're installing a heat pump as part of electrification with solar should you choose Cinnamon. Don't force a specialist into the wrong project type.
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Frequently Asked Questions
Both are licensed and have completed heat pump work, but the context differs significantly. Cinnamon installs heat pumps as part of electrification strategies tied to solar energy production, often involving system sizing based on solar output. Advanced Technical approaches heat pumps as HVAC system replacements focused on heating and cooling performance. Your project type should guide the choice—electrification projects fit Cinnamon's expertise, while HVAC-focused replacements align with Advanced Technical's specialization.
One year of licensure means less proven track record handling permit complications, warranty claims, or complex installations. However, the owner may have substantial prior experience working under other licenses. Customer feedback indicates strong diagnostic ability and technical competency, but you're accepting more risk regarding long-term business stability and established processes. Ask directly about the owner's total years in the trade and request references from similar projects.
Cinnamon's heat pump installations are typically integrated with solar and battery systems as part of broader electrification projects. If you're only replacing an AC unit without solar considerations, their approach may be more comprehensive than needed, and Advanced Technical's HVAC-specific focus would likely be more efficient. For electrification projects, Cinnamon's specialization is a significant advantage.
Advanced Technical is specifically noted for same-day service and rapid response during urgent situations, which reflects their repair-focused HVAC business model. Cinnamon handles planned installation projects that span multiple days or weeks with scheduled crews. For emergency repairs, Advanced Technical's operational model is designed for speed; for planned installations, Cinnamon's systematic approach is appropriate.
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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 12, 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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