Hassler Heating and Air Conditioning, LLC

Hassler Heating and Air Conditioning, LLC serves the East Bay community from El Cerrito, California, earning a 4.9-star rating across 578 reviews. The contractor handles residential heating, cooling, and home electrification projects, with particular emphasis on heat pump technology. Service requests can reach the team at (510) 210-0857 during weekday hours extending to 9 PM on most days, with Saturday availability until 4:30 PM.

What distinguishes Hassler is its leadership position in home electrification and heat pump technology within the East Bay market. The company operates as an Energy Star partner and provides comprehensive home performance assessments including building envelope evaluations, attic and floor insulation services. Customers access financing options including no-interest deferred payment plans, alongside rebate programs and VIP club membership benefits covering ongoing maintenance needs.

Reviewers consistently name team members who managed their projects, including Alberto, Eddy, Mikey, Yasi in accounting, Andrew, Mark, Gabriel, and Max. One homeowner described a same-day response when their furnace failed, with the crew handling a complicated replacement while the customer was away. Another review detailed a century-old furnace replacement requiring asbestos remediation, with the installation crew and electricians maintaining consistent professionalism over a three-day timeline. A long-term customer noted their technician consistently explains each maintenance step, keeping systems efficient heading into warmer months.