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All Bay Mechanical vs Comet Plumbing And Sewer

Santa Clara Plumbing Contractors Comparison · Updated March 2026

Quick Verdict

You're comparing an HVAC specialist with a plumbing contractor, so the right choice depends entirely on whether you need heating and cooling or plumbing work.

All Bay Mechanical: All Bay Mechanical is a 22-year HVAC veteran focused on heating, cooling, and mechanical systems with clean installation practices.
Comet Plumbing And Sewer: Comet Plumbing And Sewer is a 15-year plumbing veteran known for rapid same-day response, owner-operated service, and versatile plumbing expertise.
All Bay Mechanical Comet Plumbing And Sewer
Rating 5.0 4.9
Years Licensed 22 years 15 years
License # 827925 951887
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Gilroy, CA Sunnyvale, CA
Website www.allbaymechanical.com www.call-comet.com

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Key Differences

The primary difference is trade specialization: All Bay Mechanical handles HVAC systems while Comet Plumbing And Sewer handles plumbing infrastructure. All Bay brings 22 years of licensing versus Comet's 15 years, giving the HVAC contractor seven additional years of technical experience in their specialty. Operationally, the companies diverge significantly in service approach. Comet emphasizes rapid response with same-day availability, weekend service, and high owner involvement through Andrew Rhodes who personally handles fieldwork. All Bay's reviews focus on installation quality and post-work testing but don't highlight the same urgency or owner presence. Comet demonstrates broader project versatility within plumbing, from quick repairs to full re-pipes, while All Bay's documented work centers on HVAC installations like split system replacements. Both maintain equivalent insurance and bonding, so the decision hinges on which trade you need and whether you prioritize All Bay's additional experience or Comet's responsive, owner-operated model.

What Customers Say

All Bay Mechanical

Customers emphasize clean, efficient installation work and appreciate that technicians stay onsite to thoroughly test HVAC systems after installation.

Comet Plumbing And Sewer

Customers consistently highlight rapid same-day response times, clear communication with detailed problem explanations, and fair pricing across both emergency repairs and planned projects.

Key Takeaway: All Bay's feedback centers on installation quality and thoroughness, while Comet's reviews emphasize speed, accessibility, and owner responsiveness, reflecting fundamentally different service priorities.

Customer Reviews

All Bay Mechanical

Feb 2024

Had a split system replaced in my condominium. Top notch work. Their installation was clean, efficient, and effective. They stuck around to test everything afterward. Highly recommend them to anyone l...

Comet Plumbing And Sewer

Dec 2025

Comet plumbing did a excellent job at my home . A fair price, competent, knowledgeable, efficient , clean and professional! Thank you Andy, I will be calling you for future issues if needed.

Dec 2025

We had a drain issue right around the holidays and Andrew fixed it that same day. He and his team have always done great work at a fair price!

Dec 2025

Andrew from Comet Plumbing was wonderful! He helped install two clean-outs and fixed a root infested pipe for a reasonable price (plus nice discount). I'll definitely be using them again!

Consider All Bay Mechanical if...

  • You need HVAC work such as heating system installation, air conditioning replacement, or mechanical ventilation solutions rather than plumbing services
  • Your project involves a split system replacement or other climate control installation where All Bay's documented expertise applies directly
  • You value the additional seven years of licensed experience for complex mechanical system diagnostics or installations with potential complications
  • Post-installation testing and thorough system verification are priorities, as customers specifically mention All Bay's commitment to staying onsite until systems function properly
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Consider Comet Plumbing And Sewer if...

  • You need plumbing work ranging from quick repairs to major projects like sewer line replacement, re-piping, or water heater installation
  • Rapid response matters because you're dealing with an urgent issue like a leak, clogged drain, or failed water heater that needs same-day or weekend service
  • You prefer working directly with the owner rather than assigned crews, as Andrew Rhodes maintains high personal involvement in projects
  • You want a contractor with demonstrated versatility across different plumbing project scales, from basic faucet installations to complex water main repairs and full system replacements
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Questions to Ask Before Hiring

  • If considering both trades for a larger project, ask each contractor for references from projects completed in the past year that match your specific work scope
  • Ask about availability and typical response times for your project timeline, particularly if you're comparing emergency service needs
  • Request details about who will actually be on site doing the work and their specific experience with your type of system or installation
  • Ask for detailed written estimates that break down labor, materials, and timeline so you can compare the scope each contractor envisions

The Bottom Line

Choose All Bay Mechanical if you need HVAC installation or mechanical system work and want a contractor with 22 years of experience known for clean installations and thorough post-work testing. Choose Comet Plumbing And Sewer if you need plumbing services and value same-day responsiveness, direct owner involvement, and a contractor with proven versatility across both emergency repairs and major plumbing projects. Both maintain proper insurance and bonding, so your decision should focus on which trade you need and which operational style fits your project timeline and complexity.

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Frequently Asked Questions

You may be evaluating contractors for a home project that involves both HVAC and plumbing work, such as a major renovation or addition. Alternatively, you might be building a preferred contractor list across trades. Understanding how they differ in experience, responsiveness, and working style helps even when the trades don't overlap.

Yes, within their respective trades it's meaningful. All Bay's 22 years versus Comet's 15 years means more exposure to unusual system configurations, discontinued equipment, and tricky installations. For complex HVAC or plumbing diagnostics where experience helps identify hidden issues, that additional time in the field provides practical advantage.

Comet Plumbing clearly emphasizes rapid response with documented same-day and weekend availability, plus multiple contact methods. All Bay's reviews don't highlight emergency service or speed, focusing instead on installation quality. For urgent plumbing failures, Comet's operational model aligns better with immediate needs.

Comet's high owner involvement with Andrew Rhodes means you'll likely work directly with the person who has final accountability and decision-making authority throughout your project. All Bay's owner involvement is unclear from available data, so you should ask directly who will manage your HVAC project and whether the owner participates in fieldwork or primarily handles business operations.

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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 13, 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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