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3rdGen Heating & Cooling vs Allstate Plumbing
Alameda Plumbing Contractors Comparison · Updated March 2026
You're comparing an HVAC specialist with four years experience to a plumbing company with 31 years in business—these contractors serve completely different trades.
| 3rdGen Heating & Cooling | Allstate Plumbing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.4 |
| Years Licensed | 4 years | 31 years |
| License # | 1086898 | 694771 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Berkeley, CA | Fremont, CA |
| Website | 3rdgen.io | www.allstateserviceman.com |
Key Differences
What Customers Say
3rdGen Heating & Cooling
Customers consistently praise 3rdGen's scheduling flexibility, direct owner involvement, and educational communication style during HVAC installations and repairs.
Allstate Plumbing
Allstate receives recognition for punctual service delivery and professional demeanor across varied plumbing projects with repeat customer relationships.
Key Takeaway: 3rdGen's feedback emphasizes personalized owner communication and same-day responsiveness, while Allstate's reviews focus on reliable professional service delivery without highlighting specific relationship-building aspects.
Customer Reviews
3rdGen Heating & Cooling
Love 3rd Gen, Devin and the team! They are knowledgeable, professional, kind, and generous. Highly recommend working with them!
I am so glad that I found 3rd Gen Heating & Cooling. The team is smaller so it felt so much more intentional and trustworthy. They pay such great attention to detail, in which they were able to meet m...
I got my HVAC system installed by 3rd gen in 2022, this week the heater stopped working . I gave them a call and Devin and Ceaser visited today to fix the issue. They were at the house right at the ap...
Allstate Plumbing
Excellent Plumbing company. We have worked with them for years. Amazing team. Shout out to Angeles he is excellent! Thank you Allstate Plumbing.
Great plumbers reasonably priced and dependable. Put in my kitchen faucet and fixed my running toilet
I really appreciate service provided by Allstate Plumbing. They have provided service on three separate visits. Included repiping our bear foot tub, our kitchen sink and our bathroom sink. Also instal...
Consider 3rdGen Heating & Cooling if...
- ✓ You need HVAC work—furnace repair, air conditioning service, heat pump installation, or mini-split systems—since this is 3rdGen's exclusive specialty
- ✓ You value direct owner communication and want someone who takes time to explain system operations and answer questions in detail
- ✓ You need flexible scheduling with potential same-day or next-day service availability for heating or cooling emergencies
- ✓ You're installing modern efficient systems like Mitsubishi mini-splits or heat pumps where 3rdGen has developed specific expertise
Consider Allstate Plumbing if...
- ✓ You need plumbing work—repiping, fixture installation, drain clearing, toilet repairs, or water supply issues—since this is Allstate's trade focus
- ✓ You have an older home where complex plumbing complications might arise that benefit from a company with 31 years of diagnostic experience
- ✓ You prioritize an established track record and long-term business stability for warranty and callback reliability
- ✓ You manage commercial properties requiring plumbing maintenance where Allstate has demonstrated commercial service capacity
Questions to Ask Before Hiring
- → Clearly define your project scope first—if you need both HVAC and plumbing work, you're likely hiring both contractors for separate projects
- → Ask 3rdGen for references on projects similar to yours, particularly if your HVAC work involves older systems or complex installations
- → Ask Allstate about their typical crew assignments and whether the same technicians handle callbacks if issues arise after initial service
- → Confirm pricing structures with both companies, as review feedback mentions some customer concerns about Allstate's diagnostic costs
The Bottom Line
If you're genuinely comparing these two companies, start by clarifying what work you actually need done. For heating, cooling, air conditioning, heat pumps, or ventilation systems, hire 3rdGen Heating & Cooling—that's their specialty and customer feedback indicates responsive service with strong owner communication. For plumbing work like pipes, drains, fixtures, or water supply issues, hire Allstate Plumbing—their 31 years of experience means they've diagnosed virtually every plumbing complication that exists in Bay Area homes. Both maintain proper licensing and insurance. This isn't a competitive choice between similar contractors; these companies serve entirely different home systems.
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Frequently Asked Questions
No, these are specialized trades requiring separate licenses. 3rdGen only works on HVAC systems (heating, cooling, ventilation), while Allstate only handles plumbing (pipes, drains, fixtures). If you have both needs, you'll need to hire both contractors or find companies that specifically advertise multi-trade capabilities.
They work in completely different trades, so direct comparison isn't meaningful. Allstate's three decades does indicate they've handled virtually every plumbing scenario and survived multiple economic cycles. 3rdGen's four years is shorter but their customer feedback suggests competent HVAC work with particularly strong communication. The experience gap matters more if you have an older home with complex hidden issues in whichever system you're addressing.
Customer feedback suggests 3rdGen frequently offers same-day or next-day HVAC service with flexible scheduling. Allstate receives consistent mentions for punctuality and professional service but reviews don't specifically emphasize rapid emergency response. However, this comparison only matters if both companies worked in the same trade—you can't call an HVAC company for a burst pipe or a plumber for a broken furnace.
Both companies receive some positive feedback about reasonable pricing, though a few Allstate reviews mention concerns about diagnostic costs. Direct price comparison across different trades isn't particularly useful—HVAC system work and plumbing projects involve completely different materials, labor skills, and pricing structures. Get specific quotes for your actual project scope from whichever company matches your trade need.
Looking for the Best?
See our ranked list of top plumbing contractors in Alameda.
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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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