Serving Berkeley, Oakland, and Alameda, Contra Costa, and Marin Counties!

The Hassler Difference

Company Core Values

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1. Exceeding Expectations

Hassler’s philosophy on customer service is to not only meet expectations but to exceed them. Whether it is your home heating and cooling,  improving your indoor air quality, or scheduling a home energy assessment, we are committed to over-delivering throughout your entire journey with Hassler. Hassler knows that getting the job done right today, will lead to customers being our biggest advocates tomorrow.


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2. Leadership

From our newest team member on up to our leadership and ownership, we are committed to producing the highest level of workmanship - all in an efficient manner. We accomplish this through better training, education, planning, and leadership across all the products and services we provide.


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3. Accountability

We are committed to holding ourselves and each other accountable to integrity, customer satisfaction, and peak performance. We are unwavering in our commitment to not only talk about the solution, but to be a part of it.


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4. Lasting Relationships

Developing long lasting relationships is at the core of our organization. When interacting with a customer or team member, we are committed to building mutual trust and respect. Our reputation is the foundation of the company, and at the end of the day, our word is all we have!


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5. Growth

Through a dedication to training, education and leadership, we will continue to grow to remain the leading HVAC and home performance company in Contra Costa, Alameda, and Marin counties. We are continually honing our craft and challenging ourselves to improve who we are as an organization for what we can become.


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6. Go Green

We care deeply about the changing climate here in California, and want to help other Californian’s reduce their impact on the environment. Hassler places an emphasis on embracing “Green” technologies and processes whenever possible, and reducing energy use.

Looking for the home comfort experts you can trust?

Experience the Hassler Difference.

510-848-3030

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BBB Accredited
diamond certified Hassler Heating
Nate Hassler Heating
angie's list super service award 2016
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BayRen+ Home Rebate Program