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Cozy Home Services vs Marasigan Heating And Air
Solano HVAC Contractors Comparison · Updated March 2026
Cozy Home Services brings nearly double the licensed experience and specialized heat pump expertise, while Marasigan offers strong repair and troubleshooting capabilities.
| Cozy Home Services | Marasigan Heating And Air | |
|---|---|---|
| Rating | ★ 4.9 | ★ 5.0 |
| Years Licensed | 9 years | 5 years |
| License # | 1028922 | 1074318 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Vacaville, CA | Fairfield, CA |
| Website | www.cozyhvac.net | www.marasiganhvac.com |
Key Differences
What Customers Say
Cozy Home Services
Customers emphasize Cozy's technical expertise with heat pump systems, thorough equipment explanations, and efficient installation crews that complete major replacements in single days with clean workmanship.
Marasigan Heating And Air
Customers highlight Marasigan's responsive troubleshooting approach, including phone-based guidance that sometimes avoids service visits, along with punctual arrivals and clear diagnostic explanations.
Key Takeaway: Cozy's feedback centers on installation expertise and specialized equipment knowledge, while Marasigan's reviews emphasize repair responsiveness and diagnostic problem-solving before dispatching technicians.
Customer Reviews
Cozy Home Services
Cozy Home Services came out to repair our HVAC The technician arrived timely diagnosed the issue quickly and explained the faulty part clearly and completed the repair efficiently leaving the area spo...
Service was excellent. Kolby Thomas did an excellent job and answered all our questions. Again a job well done. Thank you.
I reached out to Cozy Home Services to replace a floor furnace with a Mitsubishi ducted heat pump system. Cozy is a Mitsubishi Diamond dealer, which was a major selling point for me. Jason, the owner...
Marasigan Heating And Air
I was having issues with our furnace that wasn't heating up our house. Symond was able to schedule a time that fit both our schedules, arrived on time, and was very thorough. Symond was knowledgeable,...
Called them up for thermostat issue in a home we just moved into. He walked me through a couple of quick fixes and one of them worked! Save both of us time, and save me a bit of money. Friendly guy...
Symond was very helpful and knowledgeable. He walked my husband through some trouble shooting and knew exactly what the problem was. When he realized a part wouldn't come until next week, he sourced i...
Consider Cozy Home Services if...
- ✓ You're installing a heat pump system, especially a ductless mini-split or upgrading to energy-efficient equipment where Mitsubishi Diamond certification and rebate program assistance provide practical value
- ✓ Your project involves multiple systems like HVAC plus water heater replacement or plumbing work, allowing you to work with one contractor instead of coordinating separate trades
- ✓ You're replacing an older system where nine years of experience diagnosing hidden complications in ductwork, electrical, or structural issues offers greater confidence
- ✓ You want a contractor with established expertise in California's energy-efficient equipment landscape and heat pump water heater installations
Consider Marasigan Heating And Air if...
- ✓ You need repair or diagnostic work on an existing system and value a troubleshooting-first approach that may resolve issues without a full service visit
- ✓ Your project is a straightforward furnace or AC repair where Marasigan's five years of focused HVAC experience is entirely sufficient for the work
- ✓ Flexible scheduling and responsive communication are your top priorities, with customer feedback consistently highlighting punctuality and messaging updates
- ✓ You're located closer to Fairfield and prefer working with a contractor based in your immediate area
Questions to Ask Before Hiring
- → For heat pump projects with Cozy: Ask specifically about their experience with your home's configuration (ducted vs ductless) and which rebate programs currently apply to your installation
- → For Marasigan: Ask about their experience with your specific system brand and age, particularly if you have an older system that may have parts availability concerns
- → For both: Request references from projects completed in the past year that match your scope, whether that's a major installation or repair work
- → Clarify warranty coverage: Ask what's covered by manufacturer warranty versus their workmanship guarantee, and how long each extends
The Bottom Line
For heat pump installations, energy-efficient system upgrades, or projects combining HVAC with plumbing or water heater work, Cozy Home Services' nine years of experience and Mitsubishi Diamond specialization make them the stronger choice. Their additional years in business translate to more exposure handling complications in older homes and complex installations. If you need repair work, diagnostics on an existing system, or a straightforward replacement where responsive troubleshooting matters most, Marasigan Heating And Air delivers solid service with strong communication. Both contractors maintain proper insurance and licensing, so your choice comes down to project complexity and service scope rather than credential gaps.
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Frequently Asked Questions
For straightforward replacements in newer homes, both contractors have sufficient experience. The gap becomes meaningful if your home is older, has unusual ductwork configurations, or requires electrical upgrades alongside the HVAC work. Cozy's additional years mean they've likely encountered more edge cases and complications that can emerge mid-project.
The certification matters most if you're specifically considering heat pump technology or ductless mini-splits, where Mitsubishi is a leading manufacturer. It signals specialized training beyond basic HVAC work. If you're replacing a traditional furnace and AC with similar equipment, this certification is less relevant to your decision.
Customer feedback confirms Marasigan successfully completes full system replacements, including decades-old equipment upgrades. Their repair-focused reputation doesn't limit their installation capabilities. However, Cozy's broader project portfolio includes more complex installations like ductwork replacement and multi-system projects that demonstrate depth in large-scale work.
Cozy Home Services directly handles both services, allowing you to coordinate everything with one contractor, one warranty relationship, and potentially bundled pricing. Marasigan does water heater work as well, but their customer feedback centers on HVAC expertise. For multi-system projects, Cozy's service breadth provides logistical advantages.
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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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