Dedicated to Service
Serving Berkeley, Oakland, and Alameda, Contra Costa, and Marin Counties!
There is no doubt about it, here at Hassler Heating and Air Conditioning we truly are dedicated to customer service. Our employees are outstanding and willing to go the extra mile to ensure you have a warm home! Whether we are fixing your current system by installing new parts or bringing it up to code to help with efficiency, we won’t stop until you are satisfied.