Compare Local Pros
All 1 Mechanical vs Arc Heating And Air Conditioning
Placer HVAC Contractors Comparison · Updated March 2026
All 1 Mechanical brings more than double the licensing experience with strong commercial capabilities, while Arc focuses exclusively on residential with highly responsive service.
| All 1 Mechanical | Arc Heating And Air Conditioning | |
|---|---|---|
| Rating | ★ 4.8 | ★ 5.0 |
| Years Licensed | 8 years | 3 years |
| License # | 1039821 | 1107203 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Roseville, CA | Roseville, CA |
| Website | www.all1mechanical.com | archomepros.com |
Key Differences
What Customers Say
All 1 Mechanical
Customers consistently praise All 1 Mechanical's diagnostic problem-solving that saves money by repairing systems others wanted to replace, combined with clear explanations and reliable emergency response.
Arc Heating And Air Conditioning
Arc receives strong feedback for exceptionally fast same-day service, thorough customer education about system operation, and honest pricing that frequently undercuts larger competitors.
Key Takeaway: All 1 Mechanical is recognized for diagnostic expertise that identifies cost-saving repairs, while Arc is particularly noted for speed of response and competitive pricing on straightforward residential work.
Customer Reviews
All 1 Mechanical
All 1 Mechanical did a great job installing our HVAC system. They were on time, professional, and easy to work with. Communication was clear throughout the process, and they took the time to answer my...
Manny is a lifesaver. Kitchen was hot as hell. Mannys gracefully pulled them out and plopped them into cooking heaven. Swamp cooler was at 90, gross and full of rubbish. Now it's clean and blowing out...
Our experience was fantastic. Where other companies said our unit needed to be replaced, A1 came out and really looked at our set up and found the problem. They fixed it quickly and with no issues....
Arc Heating And Air Conditioning
Vitaliy Ivanov with ARC Heating & Air was awesome! Very knowledgeable and made me feel like family. I will recommend them to friends and family.
We received excellent service from Vitaliy. He was prompt in coming out to service our furnace, did a thorough service and advised us of some potential issues in our attic not related to our init He d...
Amazing and honest company. Vitaliy is down to earth and helped me find the best most cost effective solution for my AC issues. I truly appreciate and look for honesty when working with companies and ...
Consider All 1 Mechanical if...
- ✓ Your HVAC system is older or has an intermittent problem that's been difficult to diagnose, where All 1 Mechanical's eight years of troubleshooting experience increases the likelihood of identifying root causes rather than recommending unnecessary replacements.
- ✓ You need commercial HVAC service or have a larger residential property with complex zoning or packaged systems, where their demonstrated commercial capabilities provide relevant expertise.
- ✓ You value a longer track record when making decisions about major system investments, giving you more confidence in their ability to handle unexpected complications during installation or repair work.
Consider Arc Heating And Air Conditioning if...
- ✓ Your project is straightforward residential work like a standard furnace repair or AC tune-up where Arc's three years of focused residential experience is entirely sufficient for the technical demands.
- ✓ You're comparing quotes and Arc's competitive pricing structure could deliver meaningful savings on projects that don't require the deepest diagnostic expertise.
- ✓ Same-day emergency service during a system failure is your top priority, as Arc receives particularly strong feedback for rapid response times and scheduling flexibility.
- ✓ You appreciate detailed customer education and want a contractor who will thoroughly explain your system's operation and maintenance needs, which Arc's reviews emphasize consistently.
Questions to Ask Before Hiring
- → Ask All 1 Mechanical for examples of complex residential diagnostics they've handled and how their commercial experience benefits homeowners with unusual system configurations.
- → Ask Arc about their experience with older or higher-end systems similar to yours, and request references from projects completed in their first year versus more recently to understand their growth trajectory.
- → For either company, confirm the specific technician's experience level who will handle your project, as owner involvement is high for both but crew experience may vary.
The Bottom Line
For most homeowners, All 1 Mechanical's eight years of experience and proven diagnostic capabilities make them the safer choice, particularly for older systems, complex problems, or situations where you want maximum confidence in avoiding unnecessary replacements. Their track record of identifying repairable issues others missed demonstrates valuable expertise. Arc is a solid alternative for straightforward residential projects where their three years of experience is fully adequate, especially if their competitive pricing delivers meaningful savings or you need guaranteed same-day service. If your system is newer, the repair seems straightforward, and budget is a primary concern, Arc can serve you well. For anything complicated, intermittent, or expensive, choose the deeper experience bench.
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Frequently Asked Questions
For routine maintenance or straightforward repairs on common residential systems, Arc's three years provides adequate experience. The gap becomes meaningful when systems behave unpredictably, when you have an older home with modified ductwork, or when diagnosing why a system isn't performing efficiently despite appearing functional. All 1 Mechanical's additional years mean they've likely seen your specific problem before.
Not necessarily. While Arc is specifically noted for competitive residential pricing, All 1 Mechanical's reviews mention cost savings from repairing rather than replacing systems. Their commercial background may actually lead to more precise diagnostics that avoid unnecessary part replacements. Request detailed quotes from both to compare pricing on your specific project.
Three years of active licensing represents solid experience for standard residential installations, and Arc's consistent feedback about thorough work and attention to detail suggests competent execution. The consideration is whether you want someone who's handled dozens versus hundreds of installations when complications arise. For straightforward replacements on common system types, Arc is capable; for complex installations or older homes, more experience provides additional assurance.
Both receive positive feedback for emergency responsiveness, with All 1 Mechanical specifically mentioned for extreme weather calls and Arc emphasized for same-day service availability. Call both to check current availability during your emergency. Arc's residential-only focus may mean more scheduling flexibility, while All 1 Mechanical's experience may help with faster problem resolution on complicated failures.
Looking for the Best?
See our ranked list of top hvac contractors in Placer.
Other Placer HVAC Contractors Comparisons
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Forster Heating
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Aloha Heating And Cooling
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Arc Heating And Air Conditioning
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Arc Heating And Air Conditioning
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Brower Mechanical
★ 4.9
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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