Compare Local Pros
Milano Mechanical vs Old Redwood Heating And Cooling
Sonoma HVAC Contractors Comparison · Updated March 2026
Milano Mechanical brings 25 years of licensed experience handling complex HVAC projects, while Old Redwood is a newer contractor with less than 3 years in business.
| Milano Mechanical | Old Redwood Heating And Cooling | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 25 years | 0 years |
| License # | 797754 | 1147019 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Petaluma, CA | Windsor, CA |
| Website | www.milanomechanical.com | — |
Key Differences
What Customers Say
Milano Mechanical
Milano's customers consistently emphasize responsive emergency availability and professional handling of diverse installations from standard replacements to newer technologies.
Old Redwood Heating And Cooling
Old Redwood's customers focus on the thoroughness of service including detailed cleaning and accessible technical explanations during straightforward HVAC work.
Key Takeaway: Milano's feedback reflects operational maturity with proven emergency response and broad project capability, while Old Redwood's limited review history centers on meticulous execution of standard service work.
Customer Reviews
Milano Mechanical
Milano Mechanical has been our "go to" for many years. They replaced our furnace and added air conditioning (and a HEPA filter before we knew what they were), replaced our water heater with a tankless...
Excellent! Milano is always a pleasure to work with. They are knowledgeable, efficient, and have a great team of people. Highly recommend!
All the guys were really great to work with very courteous cleaned up everything after they were done. Did a great job. Only thing I'm worried about is how loud this thing is. I'll find out tonight wh...
Old Redwood Heating And Cooling
Justin at Old Redwood H&C is professional, honest, very knowledgeable, helpful and priced fairly. Was really so easy to have his Company replace my furnace. He goes beyond expectations to explain ever...
I had an outstanding experience with Justin at Old Redwood H&C. He helped troubleshoot my broken HVAC system and went the extra mile to ensure everything was thoroughly cleaned and fully serviced afte...
Consider Milano Mechanical if...
- ✓ Your project involves newer technology like heat pumps, mini-splits, dual fuel systems, or heat pump water heaters where Milano's documented expertise reduces risk
- ✓ You have an older home where hidden complications may arise during installation, benefiting from a contractor who's seen and solved problems over 25 years
- ✓ You need emergency repair availability with confidence in same-day or next-day response, which Milano's feedback consistently confirms
- ✓ You want the assurance that comes with a contractor who's survived multiple economic cycles and will be around to honor warranties years from now
Consider Old Redwood Heating And Cooling if...
- ✓ Your project is straightforward furnace replacement or standard HVAC repair where extensive experience provides less additional value
- ✓ You prioritize meticulous attention to detail in servicing and cleaning, which Old Redwood's customers specifically highlight
- ✓ You're in Windsor and prefer a contractor based in your immediate area
- ✓ You're comfortable accepting the trade-offs of working with a newer business in exchange for their current service approach
Questions to Ask Before Hiring
- → Ask Old Redwood for references from projects completed in their first year of business to understand how long they've been operating and verify continuity
- → Ask Old Redwood about their plan for warranty coverage if your equipment needs service in 5-10 years and how they ensure business continuity
- → If considering complex technology like heat pumps or mini-splits with Old Redwood, ask about their specific training and number of similar installations completed
- → Ask Milano about current lead times during peak season to confirm their emergency availability still matches customer feedback
The Bottom Line
Unless your project is straightforward and you specifically value Old Redwood's location in Windsor or their detailed servicing approach, Milano Mechanical is the lower-risk choice for most homeowners. Their 25 years of experience translates to proven capacity for handling complications, broader technical expertise including newer technologies, demonstrated emergency availability, and assurance they'll be in business to honor warranties. Old Redwood shows promise with positive feedback for thoroughness and communication, but their limited track record means you're accepting uncertainty about long-term reliability and capacity to handle complex issues. For major investments like system replacements or any project involving newer technology, Milano's veteran status provides substantially more protection.
Get Up to 3 Free Quotes
Compare prices from licensed, verified contractors
Frequently Asked Questions
For straightforward replacements in newer homes, the experience gap matters less. However, even standard projects can reveal unexpected issues like inadequate venting, electrical problems, or duct issues that a veteran contractor has seen and resolved hundreds of times. If your home is over 20 years old or you're uncertain about your system's condition, that experience becomes more valuable.
Their license is under 3 years old, which means limited track record for handling complications or honoring long-term warranties. They carry proper insurance and bonding, and feedback is positive, but you're accepting more risk regarding their operational stability and capacity to handle problems that emerge during or after installation. For a $10,000+ system replacement, that risk deserves serious consideration.
Twenty-five years in business means they've had time to build expertise across technologies, invest in training, and take on diverse projects that build capability. This breadth indicates they can handle complications and aren't limited to basic installations. Old Redwood may expand their documented range over time, but currently shows experience primarily with standard furnace work and troubleshooting.
Milano receives consistent specific feedback about same-day and next-day emergency availability even during high-demand periods, suggesting established staffing and operational capacity. Old Redwood's limited review history doesn't provide enough data to assess emergency response capability. Ask Old Redwood directly about their emergency availability and typical response times before relying on them for urgent situations.
Looking for the Best?
See our ranked list of top hvac contractors in Sonoma.
Other Sonoma HVAC Contractors Comparisons
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.
Get in Touch
Have questions or feedback? We'd love to hear from you.