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Apollo Roofing Company vs Hassler Heating And Air Conditioning

Contra Costa General Contractors Comparison · Updated March 2026

Quick Verdict

You're comparing a roofing contractor to an HVAC contractor, which means you need to clarify what work you actually need done.

Apollo Roofing Company: Apollo Roofing is a 5-year roofing specialist focused on roof replacements, repairs, and leak troubleshooting.
Hassler Heating And Air Conditioning: Hassler Heating And Air Conditioning is a 26-year HVAC veteran specializing in furnaces, air conditioning, and heat pump systems.
Apollo Roofing Company Hassler Heating And Air Conditioning
Rating 5.0 4.9
Years Licensed 5 years 26 years
License # 1076767 770180
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Walnut Creek, CA El Cerrito, CA
Website www.apolloroofingcompany.com www.hasslerheating.com

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Key Differences

The fundamental difference here is trade specialization, not contractor quality. Apollo Roofing handles roof replacements, leak repairs, shingle selection, and waterproofing, with customers noting their diagnostic ability to identify hidden damage like dry rot during projects. Hassler focuses entirely on heating and cooling systems including furnace replacements, heat pump installations, ductwork, and air conditioning, with 26 years of technical expertise in complex HVAC diagnostics. Both companies share similar customer service strengths around communication and detailed explanations, but they apply those qualities to completely different work. If you have water coming into your home, you likely need Apollo. If your furnace failed or you're considering electrification with heat pumps, you need Hassler. The experience gap favors Hassler significantly in their respective field, with over two decades navigating HVAC code changes, system evolution, and complex installations versus Apollo's 5 years in roofing.

What Customers Say

Apollo Roofing Company

Apollo customers consistently highlight clear communication throughout roofing projects, with detailed explanations of options and proactive updates from estimate through completion.

Hassler Heating And Air Conditioning

Hassler customers emphasize thorough diagnostic processes with visual documentation and detailed technical explanations of HVAC system conditions and recommendations.

Key Takeaway: Both companies share similar strengths in communication and professionalism, but apply those qualities to entirely different trades with no meaningful overlap in services offered.

Customer Reviews

Apollo Roofing Company

Jan 2026

Apollo roofing has superb service. Daniel was great to work with from beginning to end. I'm happy with that overall work and process. Their pricing was fair with others but I like the explanation of e...

Jan 2026

I'd recommend anyone to get their roof done by Apollo. They are honorable people. It was a challenging time for us as we were told our insurance was going to be cancelled because we had a cedar shake ...

Jan 2026

Sam and his team replaced the roof of our 3-unit building- including the addition 2 skylights in each unit-in just under a couple of weeks. We chose Apollo because of their initial price quotes and wa...

Hassler Heating And Air Conditioning

Jan 2026

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...

Jan 2026

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...

Jan 2026

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 Apollo Roofing Company if...

  • You need roofing work including leak diagnosis, roof replacement, shingle selection, or waterproofing repairs
  • You want a contractor experienced in discovering and addressing hidden damage like dry rot found during roof projects
  • Your project involves roof-related components like skylights or requires coordination with gutter installation
  • You prefer a structured process with step-by-step updates specific to roofing timelines and material selections
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Consider Hassler Heating And Air Conditioning if...

  • You need HVAC services including furnace replacement, heat pump installation, air conditioning work, or ductwork replacement
  • You value deep technical expertise backed by 26 years navigating system changes, manufacturer updates, and code evolution
  • You're considering home electrification projects like converting to heat pumps or adding mini-split systems
  • You want diagnostic thoroughness with photo and video documentation of system conditions and maintenance needs
View full profile →

Questions to Ask Before Hiring

  • Clearly define whether your issue is structural/weatherproofing or mechanical systems before contacting either contractor
  • If you need both roofing and HVAC work, ask each contractor about coordination and whether penetrations for venting or equipment will be handled properly
  • For roofing projects with Apollo, ask for references from projects completed in years 1-2 of their licensing to assess consistency over their 5-year history
  • For HVAC work with Hassler, ask about their experience with your specific system type and whether your project matches their typical scope

The Bottom Line

This comparison only works if you're genuinely uncertain whether your home needs roofing or HVAC work. If you know you need roofing repairs, leak diagnosis, or replacement, Apollo Roofing is your choice with solid 5-year experience and strong communication. If you need furnace work, heat pumps, air conditioning, or ductwork, Hassler is clearly your contractor with 26 years of deep HVAC expertise. Don't choose based on comparing these companies to each other; choose based on accurately diagnosing what trade your home actually needs. If you're uncertain, describe your symptoms to both and let them tell you which trade applies.

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Frequently Asked Questions

Possibly, if you have attic ventilation issues, roof penetrations for HVAC venting, or water damage affecting ductwork. In those cases, you'd likely need both contractors working in sequence or with coordination. Apollo would handle the roofing envelope and Hassler would address mechanical systems, but each would need to understand what the other is doing to avoid conflicts.

The experience gap matters within each trade, not between them. Hassler's 26 years means deep expertise in HVAC diagnostics, handling unusual system configurations, and navigating decades of manufacturer changes. Apollo's 5 years is solid for roofing but means less experience with complex situations like multiple-layer tear-offs or unusual roof geometries. For standard projects in either trade, both have adequate experience.

This is actually a common diagnostic challenge. Water stains could come from roof leaks, plumbing, or HVAC condensation issues. Start with the contractor whose trade seems most likely based on where you see the problem: if it's near the roofline or happens during rain, call Apollo first. If it's near vents, ducts, or happens year-round regardless of weather, start with Hassler.

Professional contractors typically recognize when a problem falls outside their trade and may offer informal referrals, but there's no guarantee. Be prepared to independently contact the appropriate specialist once you've clarified the nature of your problem. Describe your symptoms clearly so each contractor can quickly determine if the work matches their expertise.

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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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