Serving Alameda, Contra Costa, Marin Counties and Beyond!

Carrier Factory Authorized DealerWe are a Carrier Factory Authorized Dealer. It means that we have met Carrier’s highest standards for technical expertise, business practices and customer service quality.Carrier offers you a 100% satisfaction guarantee when you purchase your Carrier equipment from a Factory Authorized Dealer. It’s your sure sign of an air conditioning and heating system dealer that will provide you with superior products, intelligent insight and the highest level of service.

We are also the winner of of Carrier’s 2015 President’s Award. The award is given to recognize dealers who exemplify leadership and management, customer satisfaction, expertise, business growth and operational excellence. It is Carrier’s highest honor for its dealers. Winning this awards means we had far exceeded high expectations as a Carrier Factory Authorized Dealer.

Save $25 off your next heating or cooling repair. Any make, any model, Hassler is prepared to repair your heating and cooling equipment.
A comprehensive energy assessment from Hassler Heating will improve your home's efficiency and reduce your energy bill.
New Year's Resolutions for your home
If you’re looking to get healthier, spend more time with family and save money in the new year, you should set resolutions for your home. Although you probably have some personal goals, by taking... Read more
BBB Accredited
diamond certified Hassler Heating
Carrier Factory Authorized Dealer
Nate Hassler Heating
angie's list super service award 2016
Presidents Award