Compare Local Pros
Next Day Air And Heating vs Old Redwood Heating And Cooling
Sonoma HVAC Contractors Comparison · Updated March 2026
Next Day Air And Heating brings 16 years of experience handling complex HVAC situations, while Old Redwood is a newer contractor still building their track record.
| Next Day Air And Heating | Old Redwood Heating And Cooling | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 16 years | 0 years |
| License # | 950046 | 1147019 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Rohnert Park, CA | Windsor, CA |
| Website | nextdayairandheating.com | — |
Key Differences
What Customers Say
Next Day Air And Heating
Customers consistently praise Next Day's rapid emergency response with same-day and weekend availability, along with professional service across diverse project types handled over many years.
Old Redwood Heating And Cooling
Customers highlight Old Redwood's thoroughness in cleaning and servicing systems beyond basic repair work, with detailed technical explanations throughout the process.
Key Takeaway: Next Day demonstrates established emergency response infrastructure and breadth across many project types, while Old Redwood emphasizes meticulous service quality on a narrower range of standard projects.
Customer Reviews
Next Day Air And Heating
Next Day Air & Heating did a great job of installing my new furnace. Aaron & Stefan were both hard working, professional, instructive on my operation of the furnace, lastly very nice & friendly! Rober...
Rohan is extraordinary technician, professional, knowledgeable of thermostat product, I am beyond pleased at high proficient work that was done for my home -
The guys were fast and efficient. I would definitely call again! Thank you.
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 Next Day Air And Heating if...
- ✓ Your home is older and may have hidden complications like outdated ductwork, asbestos-wrapped pipes, or non-standard venting that requires experienced problem-solving during installation
- ✓ You need emergency or same-day service for a heating or cooling failure, particularly on weekends or holidays when availability matters most
- ✓ Your project involves specialized equipment like mini-split systems, radiant heating, pellet stoves, or tankless water heaters that benefit from extensive installation experience
- ✓ You want a contractor with demonstrated history handling unexpected complications that arise mid-project without requiring callback visits
Consider Old Redwood Heating And Cooling if...
- ✓ Your project is straightforward furnace replacement or standard HVAC troubleshooting in a newer home without unusual complications
- ✓ You value working with a smaller operation where the owner is directly involved in your service and you're not on a tight emergency timeline
- ✓ You're willing to accept a newer contractor's limited track record in exchange for personalized attention during non-urgent work
- ✓ Your system issue is clearly diagnosed and you need thorough execution rather than complex diagnostic experience
Questions to Ask Before Hiring
- → Ask Old Redwood for references from projects completed in homes similar to yours in age and system type, and confirm how they handle unexpected complications discovered mid-installation
- → Ask Next Day about their typical response time for non-emergency appointments to understand if their emergency focus affects routine service scheduling
- → Ask both contractors about their warranty coverage and what happens if problems emerge after installation is complete
The Bottom Line
For most homeowners, Next Day Air And Heating is the safer choice. Their 16 years of experience means they've handled the complications that arise in real-world HVAC work, and their proven emergency response capabilities matter when your heating fails on a cold weekend. This experience gap is particularly important for older homes, complex installations, or urgent situations. Old Redwood may be appropriate if you have a straightforward project in a newer home, don't need emergency service, and value working with a smaller operation. However, given that HVAC failures are often urgent and homes frequently reveal unexpected complications, most homeowners will benefit from Next Day's established track record and operational infrastructure.
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Frequently Asked Questions
Experience matters significantly when problems aren't straightforward. A veteran contractor has encountered unusual venting configurations, dealt with discontinued parts, and knows how older homes were built. If your furnace replacement reveals rotted joists or your AC installation discovers inadequate electrical service, 16 years of problem-solving experience becomes immediately valuable. For simple replacements in newer homes, the gap matters less.
Not necessarily, but you're accepting more risk. Newer contractors can absolutely perform quality installations, but they have fewer years of experience diagnosing what caused your old system to fail or anticipating complications. Ask for detailed references from similar projects and confirm they have a clear plan if unexpected issues arise. Consider whether you need the work done urgently or can afford potential delays.
Next Day Air And Heating clearly has established emergency response infrastructure with same-day and weekend availability demonstrated across their review history. Old Redwood may offer emergency service, but their newer operation likely has less staffing depth and parts inventory for immediate response. If your heating system fails at 8 PM on a Saturday in January, Next Day's proven emergency capabilities provide more reliability.
Both companies receive feedback describing their pricing as fair and competitive, so dramatic differences are unlikely. Newer contractors sometimes price slightly lower to build their customer base, while established companies may charge modest premiums for emergency availability and extensive experience. Get written estimates from both to compare specific pricing for your project rather than assuming one will be significantly cheaper.
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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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