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Got Watts? vs Hassler Heating And Air Conditioning

Contra Costa Electrical Contractors Comparison · Updated March 2026

Quick Verdict

Hassler brings 26 years of HVAC-focused expertise versus Got Watts' 12 years across broader electrical services including HVAC.

Got Watts?: Got Watts is an established electrical contractor with 12 years of experience that has expanded into solar, EV chargers, and HVAC installations.
Hassler Heating And Air Conditioning: Hassler Heating And Air Conditioning is a veteran HVAC specialist with 26 years dedicated exclusively to heating and cooling systems.
Got Watts? Hassler Heating And Air Conditioning
Rating 4.9 4.9
Years Licensed 12 years 26 years
License # 985920 770180
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Pleasant Hill, CA El Cerrito, CA
Website www.gotwatts.com www.hasslerheating.com

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Key Differences

The most significant difference is specialization and depth of experience. Hassler's 26 years of licensing represents more than double Got Watts' 12 years, and critically, those 26 years have been devoted entirely to HVAC systems. This matters when diagnosing complex heating and cooling issues, sizing systems correctly for your home's specific needs, or troubleshooting problems that arise during installation. A veteran HVAC contractor has encountered virtually every complication that can occur with ductwork, refrigerant lines, and system integration. Got Watts demonstrates competence across multiple electrical services and has expanded into HVAC as part of their broader offering, which works well for customers wanting a single contractor for solar, electrical, and HVAC needs. Customer feedback patterns differ slightly: Got Watts emphasizes detailed proposals and transparent pricing upfront, while Hassler highlights diagnostic thoroughness and photo documentation of system conditions. Both maintain professional crews and communicate well throughout projects, so service quality appears solid from either company.

What Customers Say

Got Watts?

Customers emphasize Got Watts' transparent pricing, detailed proposals with multiple options, and non-pressured sales approach alongside professional installation quality.

Hassler Heating And Air Conditioning

Customers highlight Hassler's thorough diagnostic process with photo documentation, detailed technical explanations, and responsive scheduling for both routine and emergency service.

Key Takeaway: Got Watts receives feedback focused on the upfront sales and proposal experience, while Hassler's reviews emphasize diagnostic thoroughness and technical explanation during service delivery.

Customer Reviews

Got Watts?

Jan 2026

Got watts is incredible. Dont hesitate. Eric is so professional and experienced. They are meticulous about safety and quality and were on time had all the parts and even dealt with permits!!! They com...

Dec 2025

Got Watts continues to do amazing work for us. They're prompt, attentive, and do high quality work. We originally had them install a large solar array and a couple of batteries for us. We recently had...

Dec 2025

I reached out to GotWatts about adding solar panels to my home. They gave me several solid options and clearly explained efficiency, ROI, and cost. Their transparency was refreshing, and their pricing...

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 Got Watts? if...

  • You're planning a comprehensive home electrification project that combines solar panels, battery backup, EV charger installation, and HVAC upgrades, and want one contractor coordinating all elements
  • Your priority is transparent pricing and detailed upfront proposals with multiple design options before committing to the project
  • You value a contractor with established electrical expertise who can handle panel upgrades, electrical code requirements, and utility coordination alongside HVAC work
  • You prefer a non-pressure sales process and want time to review comprehensive system options without feeling rushed
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Consider Hassler Heating And Air Conditioning if...

  • Your project is specifically HVAC-focused, such as furnace replacement, heat pump installation, ductwork replacement, or complete system redesign, where deep specialization matters
  • You're dealing with a complex heating or cooling problem that requires diagnostic expertise from someone who has seen every system configuration over 26 years
  • You want a contractor who can conduct thorough inspections and provide detailed photo documentation of existing system conditions to inform repair versus replacement decisions
  • You value having emergency HVAC service available from a company that handles heating failures and cooling emergencies as their core business
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Questions to Ask Before Hiring

  • Ask Got Watts how many HVAC installations they complete annually and how long their HVAC crew has been with the company, since this is one of multiple service lines they offer
  • Ask Hassler whether they handle electrical panel upgrades if your HVAC system requires increased electrical capacity, or if you'll need to coordinate a separate electrical contractor
  • Request references from both companies for projects similar to yours in scope and complexity, particularly if you're doing heat pump installation or whole-home system replacement

The Bottom Line

If your project is exclusively HVAC work, particularly anything involving complex system design, ductwork modifications, or diagnostic troubleshooting, Hassler's 26 years of dedicated HVAC expertise provides a clear advantage. Their veteran status means they've handled virtually every heating and cooling scenario and operate with emergency service capability as a core business function. Choose Got Watts if you're coordinating HVAC work alongside solar installation, electrical panel upgrades, or EV charger installation and want one contractor managing the entire electrification project. Their 12 years of established experience is solid, and their transparent pricing approach appeals to customers who value detailed upfront proposals. For standalone HVAC projects, Hassler's specialization is the safer choice.

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Frequently Asked Questions

Yes, if your project scope matters. If you're adding solar, upgrading your electrical panel, or installing an EV charger alongside HVAC work, Got Watts can coordinate everything under one contract. If you only need HVAC work, Hassler's 26 years of exclusive focus means deeper expertise in system sizing, ductwork design, and troubleshooting heating and cooling problems. For straightforward HVAC replacements, both are qualified, but for complex diagnostic work or system redesign, Hassler's specialization is an advantage.

Both companies have experience with heat pump installations, but they bring different strengths. Hassler's 26 years dedicated to HVAC means more experience with heat pump sizing, ductwork modifications, and refrigerant line installations specific to heat pump systems. Got Watts handles heat pumps as part of broader electrification projects, which is valuable if you're also adding solar or electrical upgrades. Ask both for references from recent heat pump installations and inquire about their approach to load calculations and ductwork assessment.

The data doesn't specify Got Watts' emergency service availability, while Hassler's customer feedback mentions responsive scheduling during heating emergencies as part of their core HVAC business. If having a reliable emergency repair relationship matters for your heating and cooling systems long-term, ask Got Watts directly about their service call availability and response times. Hassler's exclusive HVAC focus suggests they're structured for ongoing service and emergency calls.

For truly straightforward replacements in standard configurations, both contractors are qualified and experienced enough to handle the work properly. The experience gap becomes more significant for complex projects involving ductwork redesign, zoning systems, unusual home layouts, or diagnosing mysterious system problems. Hassler's veteran status means they've likely encountered your specific home configuration before, while Got Watts' 12 years still represents substantial experience. Both maintain proper licensing and insurance, so the decision comes down to whether you value HVAC specialization or prefer the convenience of a multi-service electrical contractor.

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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 13, 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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