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Enterprise Roofing Service Inc vs Hassler Heating And Air Conditioning
Contra Costa HVAC Contractors Comparison · Updated March 2026
These companies serve entirely different needs: Enterprise is a roofing materials supplier for vintage tile sourcing, while Hassler is a full-service HVAC contractor for heating and cooling systems.
| Enterprise Roofing Service Inc | Hassler Heating And Air Conditioning | |
|---|---|---|
| Rating | ★ 4.7 | ★ 4.9 |
| Years Licensed | 62 years | 26 years |
| License # | 221274 | 770180 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | El Cerrito, CA |
| Website | enterpriseroofing.com | www.hasslerheating.com |
Key Differences
What Customers Say
Enterprise Roofing Service Inc
Customers consistently praise Enterprise's ability to source hard-to-find vintage and discontinued roofing materials, with helpful staff facilitating efficient material selection and delivery.
Hassler Heating And Air Conditioning
Customers emphasize Hassler's thorough diagnostic approach with detailed photo documentation, clear explanations of system conditions, and responsive scheduling for both routine and emergency HVAC needs.
Key Takeaway: Enterprise's reviews focus entirely on materials procurement expertise while Hassler's reviews emphasize technical service delivery and customer communication, reflecting their fundamentally different business models as supplier versus service contractor.
Customer Reviews
Enterprise Roofing Service Inc
Great team, they were on time and ready to work. They were more concerned about the building than I was and that is refreshing
Good place to find tiles replacements
I needed tiles and they were very accomdating.
Hassler Heating And Air Conditioning
We had Hassler Heating & Air replace the ductwork under our house, and the experience was excellent from start to finish. The team was professional, punctual, and clearly knew what they were doing. Th...
Friendly, intelligent service. Thoroughly checked my heating system and showed in great detail what the problems are. The technician provided detailed inspection and we both agreed that it will be nec...
The crew was professional and courteous while being in my home which was very appreciated. Larry in particular was kind enough to answer my many questions to ensure I understood my new system so that ...
Consider Enterprise Roofing Service Inc if...
- ✓ You need to match existing roof tiles on an older home and standard suppliers don't carry the discontinued style or color you require
- ✓ You're a roofing contractor or managing your own installation project and need a specialty materials source rather than labor services
- ✓ You're restoring a vintage property and require authentic period roofing materials that match the original construction
- ✓ You have time to work by appointment and your primary need is materials procurement rather than installation work
Consider Hassler Heating And Air Conditioning if...
- ✓ You need heating or cooling system installation, repair, or maintenance rather than roofing materials
- ✓ You value detailed diagnostic processes with photo and video documentation of system conditions
- ✓ You need responsive scheduling for HVAC emergencies or system failures during extreme weather
- ✓ You're planning a heat pump conversion, furnace replacement, ductwork installation, or complete HVAC system upgrade and want a contractor with 26 years of technical experience
Questions to Ask Before Hiring
- → If contacting Enterprise: Confirm they can source your specific tile or shingle style before scheduling an appointment, and clarify whether they provide installation services or materials only
- → If contacting Hassler: Ask about their availability for your project timeline and whether they offer maintenance plans if you're installing a new system
- → Verify with either company that you're contacting them for services they actually provide, as these businesses operate in completely different trades
The Bottom Line
These companies operate in entirely different industries and cannot be meaningfully compared for the same project. Contact Enterprise Roofing Service if you need to source specific roofing tiles or shingles, particularly vintage or discontinued materials for matching existing roofs—but confirm whether they provide installation or materials only. Contact Hassler Heating And Air Conditioning if you need furnace repair, air conditioning installation, heat pump conversion, or any other HVAC services. Both are established, properly licensed contractors with workers compensation and bonding, but they serve fundamentally different homeowner needs. Identify whether your immediate project involves roofing materials or heating and cooling systems, then engage the appropriate contractor.
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Frequently Asked Questions
The data indicates Enterprise operates primarily as a materials supplier rather than an installation contractor. Their reviews focus exclusively on material sourcing, inventory availability, and delivery services with no mention of installation work. You should contact them directly to confirm whether they provide labor services or can recommend installation contractors who work with their materials.
No, Hassler Heating And Air Conditioning specializes exclusively in HVAC systems including furnaces, heat pumps, air conditioning, ductwork, and water heaters. They are licensed and experienced in heating and cooling work, not roofing. If you need both HVAC and roofing work, you'll need to hire separate contractors.
These companies serve completely different needs and would not typically be compared. You might be looking at both if you're managing multiple home improvement projects simultaneously, or if there's been confusion about what services each company provides. Clarify your immediate need—roofing materials or heating/cooling services—and focus on the relevant contractor.
Enterprise's 62 years specializing in roofing materials gives them unmatched expertise in sourcing vintage and discontinued tiles, while Hassler's 26 years in HVAC provides deep technical knowledge of heating and cooling systems. The question isn't which has more experience, but which trades your project actually requires.
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See our ranked list of top hvac contractors in Contra Costa.
Other Contra Costa HVAC Contractors Comparisons
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California Heating And Cooling
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Hassler Heating And Air Conditioning
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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 09, 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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