Compare Local Pros
Cooper Oates Air Conditioning vs K S Plumbing
Sacramento Plumbing Contractors Comparison · Updated March 2026
You're comparing an established HVAC specialist with substantial commercial experience against a veteran plumber with limited public feedback.
| Cooper Oates Air Conditioning | K S Plumbing | |
|---|---|---|
| Rating | ★ 4.8 | ★ 5.0 |
| Years Licensed | 35 years | 21 years |
| License # | 611351 | 858545 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Sacramento, CA | Rancho Cordova, CA |
| Website | www.coacair.com | ksplumbinginc.com |
Key Differences
What Customers Say
Cooper Oates Air Conditioning
Cooper Oates receives consistent praise from commercial clients and facility managers for prompt communication, photo documentation of issues, and courteous knowledgeable technicians.
Key Takeaway: Cooper Oates has substantial verifiable feedback demonstrating service patterns, while K S Plumbing's limited review history requires homeowners to rely primarily on credentials and direct reference checks.
Customer Reviews
Cooper Oates Air Conditioning
An Absolute Triumph of Temperature Control! Cooper Oates are Artisans of Air! Where does one even begin to articulate the profound, life-altering experience of working with Cooper Oates Air Condition...
Wish i could give 6 stars. I am a director of an upscale senior living community and the Cooper Oats team is amazing. They truly go the extra mile for you. They have taking care of so much for me I d...
As a former restaurant owner and now a manager overseeing equipment and repairs for 22 restaurants and other buildings on Sac State campus, I know how quickly work requests can pile up. Finding reliab...
K S Plumbing
Best plumbing company ever!
Consider Cooper Oates Air Conditioning if...
- ✓ You need HVAC services and want a contractor with documented communication practices, including photo documentation of identified problems
- ✓ Your project involves commercial property or institutional facilities where Cooper Oates has proven experience with facility managers
- ✓ You value being able to verify service patterns through substantial customer feedback showing prompt response and courteous technicians
- ✓ You need emergency HVAC repair and want evidence the contractor handles urgent situations effectively
Consider K S Plumbing if...
- ✓ You need plumbing services rather than HVAC work, making K S Plumbing the appropriate trade specialist
- ✓ You're comfortable conducting thorough reference checks directly since public feedback is limited
- ✓ You're working in Rancho Cordova where K S Plumbing is based, potentially offering faster response times
- ✓ You prioritize longevity and proper credentials over verifiable customer service patterns
Questions to Ask Before Hiring
- → For K S Plumbing: Ask for at least 3-5 recent references from projects similar to yours and contact them directly about communication, timeliness, and problem-solving
- → For K S Plumbing: Ask how they document issues found during service calls and what their typical response time is for your area
- → For Cooper Oates: If you need plumbing work, ask if they have plumbing division partners they work with or can recommend
- → For both: Ask about their warranty policies and what happens if issues arise after project completion
The Bottom Line
If you need HVAC services, Cooper Oates Air Conditioning is the clear choice with 35 years of experience, substantial positive feedback on communication and reliability, and proven commercial expertise. If you need plumbing work, K S Plumbing has the credentials and veteran experience but requires more direct vetting—get multiple references and call them to verify service quality before hiring. Both contractors carry proper insurance and bonding, so your choice should be based on the specific trade you need and your comfort level with available performance history.
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Frequently Asked Questions
You shouldn't unless you need both trades. If you're specifically seeking HVAC services, Cooper Oates is your match. If you need plumbing work, K S Plumbing is the appropriate specialist. Some homeowners compare both when planning renovations requiring multiple trades, but you'll want the right specialist for each specific job.
Not necessarily—many quality contractors operate primarily through referrals and don't accumulate public reviews. However, it does mean you need to do more direct vetting through reference checks rather than relying on documented service patterns. Ask K S Plumbing for multiple recent references and actually call them.
Both are veteran-level contractors with extensive experience. The 14-year gap means Cooper Oates has seen more technology cycles and building code changes, which helps with diagnosing older system issues. For standard repairs and installations, both have sufficient experience—the bigger difference here is verifiable customer feedback, not just years licensed.
Commercial work typically demands more rigorous documentation, faster response times, and professional communication—all qualities residential customers benefit from. The feedback about photo documentation and prompt service from facility managers suggests these practices extend to all clients, not just commercial accounts.
Looking for the Best?
See our ranked list of top plumbing contractors in Sacramento.
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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 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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