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Asco Service vs Restart Hvac
Santa Clara HVAC Contractors Comparison · Updated March 2026
Restart HVAC combines modern customer service practices with full HVAC specialization, while Asco Service offers 26 years of licensing history but limited verifiable customer feedback.
| Asco Service | Restart Hvac | |
|---|---|---|
| Rating | ★ 1.0 | ★ 4.7 |
| Years Licensed | 26 years | 4 years |
| License # | 778556 | 1090166 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Gilroy, CA | Mountain View, CA |
| Website | ascoair.com | restarthvac.com |
Key Differences
What Customers Say
Restart Hvac
Customers consistently highlight Restart HVAC's responsive communication, thorough diagnostic inspections, transparent pricing significantly below competitors, and professional execution of complex installations.
Key Takeaway: Restart HVAC has extensive verifiable customer feedback documenting service quality and HVAC expertise, while Asco Service's limited review history requires direct verification of current capabilities despite longer licensing tenure.
Customer Reviews
Asco Service
No reviews available
Restart Hvac
Restart HVAC did a very clean installation of our new heat-pump system with air handlers and new ducting. Despite initial complications with Mitsubishi model configurations, issues were resolved profe...
Love the service, the communication, fast response, honesty everything.
Georgy and his team did a great job with the installation of our new heat pump system. We called 3 companies for quotes and went with Restart HVAC since Georgy provided us the most detailed quote, wit...
Consider Asco Service if...
- ✓ Your project involves an older home where unexpected complications may arise, and you value a contractor who has navigated 26 years of changing building codes and permit requirements.
- ✓ Business longevity is your primary concern, and you're comfortable conducting your own due diligence on current crew capabilities and recent HVAC project experience.
- ✓ You prefer working with a long-established local business in Gilroy and can verify their HVAC expertise through direct references.
Consider Restart Hvac if...
- ✓ Your project involves complex HVAC work like heat pump installation, dual fuel systems, or duct replacement where documented expertise matters.
- ✓ Transparent pricing, detailed upfront quotes, and thorough system inspections are important to your decision-making process.
- ✓ You value responsive communication, same-day service availability, and verifiable customer feedback about installation quality and professional conduct.
- ✓ Your home is in Mountain View or central Santa Clara County where Restart HVAC is locally based.
Questions to Ask Before Hiring
- → Ask Asco Service for references from recent HVAC projects similar to yours, including contact information for customers who can speak to current service quality and crew expertise.
- → Ask Asco Service to describe their typical HVAC project scope and crew size, and how long their current technicians have been with the company.
- → Ask Restart HVAC about their experience with your specific home age and system type, particularly if dealing with an older home where unforeseen issues might emerge.
The Bottom Line
For most residential HVAC projects, Restart HVAC provides clearer evidence of specialized expertise, transparent pricing practices, and professional customer service. Their documented track record with complex installations like heat pumps and dual fuel systems, combined with consistent feedback about thorough inspections and responsive communication, offers confidence for homeowners who need HVAC work completed this week. Asco Service's 26 years of licensing represents meaningful business longevity that shouldn't be dismissed, particularly if you value maximum stability or have an existing relationship with them. However, the limited review history requires you to conduct direct verification of their current HVAC capabilities, crew expertise, and recent project references before hiring. Unless you have specific reasons to prioritize veteran tenure over documented HVAC specialization, Restart HVAC offers more verifiable certainty for residential heating and cooling projects.
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Frequently Asked Questions
Licensing tenure reflects business longevity, not necessarily HVAC expertise. A 26-year licensed contractor may have spent those years on various trades, while a 4-year specialist may focus exclusively on HVAC. Asco Service's limited review history makes it difficult to verify current HVAC capabilities, whereas Restart HVAC has documented expertise across complex heat pump installations, dual fuel systems, and diagnostic work. Ask Asco Service directly about their HVAC project volume and crew specialization.
Four years represents a growing but established business that has maintained licensing, insurance, and bonding through a full business cycle. Restart HVAC's consistent customer feedback and documented project range suggest operational stability and technical competence. The greater risk lies in limited customer feedback, which is Asco Service's situation despite longer tenure. Both companies carry required insurance and bonding, providing baseline financial protection.
This could reflect different business focuses, with Restart HVAC potentially prioritizing residential HVAC work and customer engagement while Asco Service may handle different project types or rely on longstanding relationships. The absence of reviews doesn't necessarily indicate poor service, but it does mean you'll need to do more direct verification of capabilities and recent project quality when considering Asco Service.
Restart HVAC has documented expertise in heat pump installations, dual fuel systems, and complex duct work with customer feedback confirming professional execution. For complex installations requiring permit navigation and system design, their specialized focus provides more certainty. For straightforward repairs, either contractor could be capable, though you should verify Asco Service's current HVAC repair volume and ask for recent references specific to repair work.
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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 10, 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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