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Ace Furnace vs Marcucci Heating And Air Conditioning
San Mateo HVAC Contractors Comparison · Updated March 2026
Ace Furnace brings 61 years of licensure versus Marcucci's 21 years, both veteran contractors with full insurance and bonding serving neighboring San Mateo County cities.
| Ace Furnace | Marcucci Heating And Air Conditioning | |
|---|---|---|
| Rating | ★ 4.9 | ★ 4.1 |
| Years Licensed | 61 years | 21 years |
| License # | 235989 | 856600 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | South San Francisco, CA | Redwood City, CA |
| Website | — | marcuccihvac.com |
Key Differences
What Customers Say
Ace Furnace
Ace Furnace customers consistently emphasize quick response times, same-day availability, and efficient single-visit repairs across various diagnostic situations.
Marcucci Heating And Air Conditioning
Marcucci customers specifically highlight precise punctuality for scheduled appointments and strong technical knowledge demonstrated by their technicians.
Key Takeaway: Ace's feedback pattern centers on speed and rapid service delivery, while Marcucci's emphasizes exact timeliness and technical expertise depth.
Customer Reviews
Ace Furnace
I'm giving this company five stars for the amazing job they did on our home AC repair service. They sent out a really skilled technician who handled everything professionally. I've always appreciated ...
I'd recommend this company to anyone. I found them online and took a chance-so glad I did! The technician did a superb air conditioning repair and was super pleasant to work with. He stayed profession...
I'm really thankful for the work they did on my furnace that was not blowing. The technician was professional, arrived right on time, and gave awesome customer service. The repair was solid and didn't...
Marcucci Heating And Air Conditioning
Great service - staff was friendly, honest, and extremely efficient. Our A/C repair was handled quickly and professionally, and we really appreciated the clear communication throughout the process. Th...
We had a 10am service appointment scheduled, the tech showed up at 9:59! Super punctual, professional, and knowledgeable! My go-to HVAC company going forward!
Responsive, timely and great communications.
Consider Ace Furnace if...
- ✓ Your HVAC system is older or unusual and you need a contractor who has likely encountered your specific equipment model or configuration during their 61-year history serving the region.
- ✓ You're facing an urgent heating or cooling failure and value Ace's track record of same-day service and quick response times emphasized consistently in customer feedback.
- ✓ You prefer a contractor with the deepest possible institutional knowledge in the South San Francisco area, where six decades of operation means familiarity with local building types and common regional HVAC issues.
Consider Marcucci Heating And Air Conditioning if...
- ✓ You're planning a full system replacement rather than just repairs, as Marcucci's feedback specifically mentions furnace installations alongside diagnostic work.
- ✓ You value precise punctuality for scheduled appointments, which multiple customers emphasize as a standout characteristic of Marcucci's service approach.
- ✓ You need specialized appliance work beyond standard HVAC systems, as Marcucci has demonstrated experience with equipment like wine coolers that typical heating and air contractors may not service.
Questions to Ask Before Hiring
- → Ask each company about their experience with your specific HVAC equipment brand and age, particularly if you have an older or specialized system.
- → Request examples of similar projects they've completed recently, especially if you need system replacement rather than repair work.
- → Inquire about their typical response time for emergency calls versus scheduled appointments to match your current situation.
The Bottom Line
Both are fully credentialed veteran contractors with workers comp and bonding, eliminating any protection concerns. Ace Furnace's 61-year history makes it the more experienced choice—particularly valuable if you have an older home, unusual equipment, or need diagnostic expertise for puzzling problems. Their customer pattern of same-day service also favors urgent situations. Marcucci's 21 years still represents substantial veteran experience with particular strength in punctuality and system replacements. For most standard HVAC repairs, either contractor will serve you well. Choose Ace if maximum experience depth or speed matters most; choose Marcucci if you're planning replacement work or value precise appointment timing.
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Frequently Asked Questions
Yes, for certain situations. Both have extensive experience, but 61 years means Ace has institutional knowledge of obsolete systems, older equipment, and unusual installations that a 21-year company simply hasn't encountered. For straightforward repairs on modern equipment, the difference matters less. For older homes or unusual problems, that extra 40 years of accumulated expertise becomes genuinely valuable.
Ace Furnace's customer feedback emphasizes same-day service and quick scheduling, making them well-suited for urgent failures. Marcucci's reviews specifically mention furnace installations and system replacements alongside repairs, suggesting they handle both well. If your system just died and you need immediate help, Ace's speed emphasis may serve you better. For planned replacements, either company has the experience.
Not practically. Ace operates from South San Francisco and Marcucci from Redwood City, cities only about 7 miles apart in the same county. Both serve San Mateo County broadly, so unless you're at the far edge of the service area, travel time and local familiarity should be essentially equivalent for most customers.
Subtle differences emerge. Ace's feedback emphasizes speed—quick scheduling, same-day service, efficient single-visit repairs. Marcucci's reviews highlight precise punctuality and technical expertise. Both receive praise for clear communication and professionalism. If rapid response matters most, Ace shows that pattern. If you value exact timeliness for scheduled appointments, Marcucci customers specifically note that strength.
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See our ranked list of top hvac contractors in San Mateo.
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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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