Compare Local Pros
Greiner Heating Air And Electric vs Advanced Plumbing Heating And Air
Solano HVAC Contractors Comparison · Updated March 2026
Greiner brings 47 years of HVAC-focused experience versus Advanced's 21 years across plumbing, heating, and air conditioning trades.
| Greiner Heating Air And Electric | Advanced Plumbing Heating And Air | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.9 |
| Years Licensed | 47 years | 21 years |
| License # | 365955 | 846530 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Dixon, CA | Vacaville, CA |
| Website | www.ghac.com | www.advancedphvac.com |
Key Differences
What Customers Say
Greiner Heating Air And Electric
Customers consistently emphasize Greiner's thorough inspections with photographic documentation, detailed technician explanations, and decades-long service relationships spanning multiple projects.
Advanced Plumbing Heating And Air
Advanced receives praise for responsive emergency scheduling and upfront not-to-exceed pricing, with customers appreciating clear explanations though some note pricing concerns.
Key Takeaway: Greiner's feedback centers on long-term customer retention and documentation thoroughness, while Advanced's reviews emphasize transactional efficiency and pricing transparency for individual projects.
Customer Reviews
Greiner Heating Air And Electric
Very professional and kind techs...big reason I stay with the monthly subscription are techs like Jose who are super professional and explain everything thoroughly without pressuring.
This is the best experience I've ever had with a tradesmen coming to do Home repairs. The technician Jason did a thorough inspection. He took the time to explain to me what he did and what might be ne...
I recommend using Greiner. They have given me wonderful service over the years. From the friendly receptionist who has a very kind demeanor every time I've called. And the technicians provided me wi...
Advanced Plumbing Heating And Air
Advanced did a great job on my installation. They are my first go to when I need major home replacements.
People were respectful and helpful in setting up the appointment. My questions were answered and everything proceeded as I expected. I felt the company dealt with my situation re: our heater repair ve...
Jose arrived at the appointment time with a call to confirm it. Jose was polite and knowledgeable of his craft. I had a water leakage at my home .the leakage was costing money. He found the leakage. I...
Consider Greiner Heating Air And Electric if...
- ✓ Your project is exclusively HVAC or involves both heating/cooling and electrical work, such as panel upgrades for new equipment, whole-house electrical alongside system replacement, or complex thermostat wiring
- ✓ You have an older home with legacy heating or cooling equipment where diagnosing problems may require familiarity with discontinued systems or decades-old installation practices
- ✓ You value a maintenance program with scheduled bi-annual service visits and priority response for existing customers, particularly if you're looking for a long-term service relationship
- ✓ You want detailed documentation of work performed, including photographs showing conditions found and repairs completed during service visits
Consider Advanced Plumbing Heating And Air if...
- ✓ Your project combines plumbing and HVAC needs—such as water heater replacement with new drain lines, condensate pump installation, or hydronic heating system work
- ✓ You prefer a single contractor who can handle multiple trades during a renovation or whole-house project rather than coordinating separate specialists
- ✓ Upfront not-to-exceed pricing is important to you before authorizing work, particularly for projects where scope might expand once walls are opened
- ✓ High owner involvement matters to your decision-making process, as the company demonstrates active ownership presence
Questions to Ask Before Hiring
- → Ask Greiner about their electrical capabilities for your specific HVAC project and whether they coordinate both trades in-house or subcontract electrical work
- → Ask Advanced how they handle projects requiring specialized HVAC expertise versus routine installations, and whether the same technician typically handles both plumbing and HVAC portions
- → Request references from both companies for projects similar in scope and complexity to yours, particularly if you have an older home or legacy equipment
- → Clarify each company's warranty coverage for both labor and equipment, and what their maintenance programs include for ongoing service
The Bottom Line
For HVAC-focused projects, particularly in older homes or situations requiring electrical work alongside heating and cooling systems, Greiner's 47 years of specialized experience provides meaningful advantages in diagnosing complications and handling legacy equipment. Their structured maintenance program and customer feedback showing decades-long relationships indicate reliability for ongoing service needs. Choose Advanced if your project genuinely combines plumbing and HVAC work where coordinating a single multi-trade contractor simplifies the process, or if upfront not-to-exceed pricing is a priority. Both are qualified veteran contractors with proper insurance and bonding, so your decision should center on whether you need specialized HVAC depth or multi-trade breadth.
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Frequently Asked Questions
For straightforward replacements with modern equipment, both companies have sufficient expertise to handle the work professionally. Greiner's 47-year history becomes more valuable when dealing with older homes, diagnosing complex problems, or integrating electrical work with HVAC systems. If your project is a standard furnace or AC replacement in a newer home, both are equally capable.
Advanced's multi-trade capability is a genuine advantage for projects combining plumbing and heating/cooling, such as water heater replacements connected to hydronic systems or comprehensive bathroom renovations. You'll have a single point of contact and coordinated scheduling rather than managing separate contractors. However, if your HVAC work is complex or involves electrical integration, Greiner's specialized focus may be more appropriate.
Advanced's reviews specifically mention upfront not-to-exceed quotes, though some customers found pricing higher than expected. Greiner's feedback emphasizes fair pricing and honest recommendations without pressure, with multiple customers using them for decades. Ask both companies for detailed written estimates that break down labor, materials, and any potential additional costs before committing.
Both offer maintenance services, but Greiner's structured bi-annual maintenance program receives specific positive feedback for scheduled reminders and priority service for program members. Multiple customers report decades-long relationships with Greiner for ongoing service. Advanced handles maintenance visits but their reviews focus more on responsive emergency service and project work rather than long-term maintenance relationships.
Looking for the Best?
See our ranked list of top hvac contractors in Solano.
Other Solano HVAC Contractors Comparisons
Greiner Heating Air And Electric
★ 5.0
Benicia Plumbing
★ 5.0
Advanced Plumbing Heating And Air
★ 4.9
Benicia Plumbing
★ 5.0
Greiner Heating Air And Electric
★ 5.0
Right Now Air And Solar
★ 4.9
Right Now Air And Solar
★ 4.9
Advanced Plumbing Heating And Air
★ 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 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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