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Ace Furnace vs Nur Hvac
San Mateo HVAC Contractors Comparison · Updated March 2026
Ace Furnace brings 61 years of diagnostic experience for complex repairs, while Nur Hvac offers 2 years of focused installation work with responsive communication.
| Ace Furnace | Nur Hvac | |
|---|---|---|
| Rating | ★ 4.9 | ★ 4.9 |
| Years Licensed | 61 years | 2 years |
| License # | 235989 | 1109103 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | South San Francisco, CA | Burlingame, CA |
| Website | — | nurhvac.com |
Key Differences
What Customers Say
Ace Furnace
Customers emphasize Ace Furnace's speed and efficiency in diagnosing and completing repairs in single visits, often with same-day availability for various equipment failures.
Nur Hvac
Customers highlight Nur Hvac's thoroughness in pre-installation inspections, responsive communication through permit processes, and meticulous worksite practices during system replacements.
Key Takeaway: Ace receives feedback centered on rapid repair diagnostics and emergency response, while Nur earns praise for detailed installation planning and identifying cost-saving alternatives during assessments.
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...
Nur Hvac
Highly Recommend this guys! They did a Heat pump installation for my house back in December. Great price, scheduling, communication with project manager helped a lot! 10/5 stars
Great service! Great communication! I'll definitely call Nur again.
NUR HVAC did an excellent job replacing our old furnace with a new Carrier Heat pump and furnace (hybrid system). Their quote was clear, detailed, and reasonable price. They are not the lowest but my ...
Consider Ace Furnace if...
- ✓ Your HVAC system is older than 10-15 years and may require diagnosing problems across components that newer technicians haven't encountered
- ✓ You need emergency repair service where quick, accurate diagnosis prevents multiple visits and escalating costs
- ✓ Your equipment is commercial-grade or specialized, requiring familiarity with systems beyond standard residential units
- ✓ You prioritize speed and same-day resolution for heating or cooling failures rather than planned replacement projects
Consider Nur Hvac if...
- ✓ You're planning a full system replacement, heat pump installation, or mini-split project where installation expertise matters more than repair history
- ✓ You value detailed upfront inspections and thorough communication through permit and HOA approval processes
- ✓ Your property requires coordination with inspectors or homeowner associations where responsive project management is essential
- ✓ You want a contractor who may identify cost-saving alternatives during the initial assessment rather than defaulting to full replacement
Questions to Ask Before Hiring
- → For Nur Hvac: Ask for references from projects completed in year one of operation, and inquire about their process for handling unexpected complications during installations
- → For Ace Furnace: Ask about their experience with modern high-efficiency equipment and heat pump installations if you're considering system upgrades rather than repairs
- → Ask both companies how they handle warranty work and what guarantees they provide on repairs versus installations
The Bottom Line
If you're facing a repair, diagnostic challenge, or emergency HVAC failure, Ace Furnace's 61 years of troubleshooting experience across every equipment generation provides substantially more diagnostic capability than a two-year contractor can offer. Their same-day service and efficient problem-solving track record matches repair urgency. However, if you're planning a full system replacement, heat pump installation, or major upgrade, Nur Hvac's installation-focused experience, thorough inspection process, and detailed project communication may serve you better despite limited years. Match the contractor to your project type: Ace for repairs and diagnostics, Nur for planned installations. Don't hire an installation specialist for complex repair work or expect a repair-focused veteran to provide the same detailed installation planning.
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Frequently Asked Questions
Their reviews mention handling various systems including modern equipment, and six decades of adaptation suggests they've evolved through multiple technology generations. However, if you're installing cutting-edge heat pump systems, ask specifically about their recent installation experience with the equipment you're considering. Their strength clearly lies in diagnostic expertise across all equipment ages.
Two years means limited exposure to rare complications, though their reviews show they identify potential challenges during thorough pre-installation inspections. Ask for references from their first year of operation and inquire how they've handled unexpected issues like concealed ductwork problems or structural complications. Their high owner involvement may provide some mitigation.
Ace Furnace's 61 years of diagnostic experience makes them substantially better suited for intermittent problems requiring troubleshooting expertise. Their reviews specifically mention efficient diagnosis of thermostat malfunctions, fan motor issues, and airflow problems. Nur Hvac's focus on installations suggests less specialization in complex diagnostic work.
Installation requires different skills than repair diagnostics. Nur Hvac's reviews emphasize meticulous installation work, clean worksites, and thorough inspections that identify complications before they become problems. For planned replacements with permit coordination, their installation focus and communication patterns may actually be preferable to a repair-focused veteran contractor.
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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 09, 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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