Our Service Areas

Walnut Creek HVAC

Whether you just returned home from the Oracle Arena to cheer on the Warriors, or you’re pulling the golf cart back into the garage from a trip to Boundary Oak Golf Course, you deserve to open your front door and trust your home will be comfortable, healthy, and efficient.  Here at Hassler Home Services, we set ourselves apart from other HVAC contractors in Walnut Creek by making sure we get the job done right the first time. If you are looking for help with your home comfort, health, and energy costs, and you want to partner with a contractor that won’t be happy until you are, you’re in the right place!

What Can We Help You With?

Your home is made up of many systems that all add up to your overall home comfort. Problems and inefficiencies in one area of your home can affect the efficiency and comfort of your entire home, which is why it is so important to trust an HVAC contractor that looks at your entire home as a system! 

In addition to offering expert HVAC installations, service, and maintenance, we also offer the following home upgrades to keep your Walnut Creek home comfortable, efficient, and healthy through all of California’s seasons:

Hassler: Your Local HVAC & Energy Efficiency Experts

The team at Hassler has experience with a wide variety of homes here in Walnut Creek, from older, historic buildings to newer construction. We have the answer to any cooling, heating, or indoor air quality problem your home may be experiencing. Our expertise in increasing the comfort and efficiency of Walnut Creek homes will help ensure you stay cozy in your home all year long, while raising the value of your home. Even if you are struggling to stay comfortable but you aren’t sure why, we can get to the heart of your home comfort issues with a professional energy assessment!

Contact Hassler or call (510) 288-5563 today to learn how we can make your Walnut Creek home more comfortable and energy efficient!

The Hassler Difference

Hassler knows that getting the job done right today will lead to customers being our biggest advocates tomorrow.
  • Exceeding Expectations

    Our 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.

  • 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.
  • 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.

  • 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!
  • 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.

  • Go Green
    We care deeply about the changing climate here in California, and want to help other Californians reduce their impact on the environment. Hassler places an emphasis on embracing “Green” technologies and processes whenever possible, and reducing energy use.
    "Professional, efficient and responsive."
    “We highly recommend Hassler Heating and AC. Three years ago, we updated our system with a heat pump. The installers were professional, efficient and responsive.”
    - Diane M.
    "The company provided great service."
    “He quickly identified the problem, took time to explain it, answered my questions and got everything in working order under 2 hours that even included a trip back to El Cerrito to get the right part. He was very courteous and respectful.”
    - Veronica A.
    "He had us up and running very quickly."
    “He had us up and running very quickly and also was able to make some other recommendations for service and maintenance. He was great, and I will continue to use him and his team for maintenance and repairs.”
    - Scott L.
    "I am so thankful."
    “Hassler Heating went above and beyond customer service! My AC unit started smoking and I called to make an appointment and they were able to fit me into their schedule that day!”
    - Emily V.
    "I also want to commend your work crew."
    “They were very efficient as well as pleasant in their interaction with me. They did such a good job that my next-door neighbor, after watching them at work, told me that he has decided to hire your firm to install a new heating system for his house.”
    - Marilyn B.
    "Very knowledgable."
    “Chris just came out and inspected a furnace and ducting for me at a property that clients of mine are purchasing in El Cerrito. He was very knowledgable and was sure to take the time to answer all of my questions thoroughly.”
    - Jeffery S.
    "We have full confidence."
    “We have full confidence that we now have a first class heating system that will serve us well in the years to come. We know in the future we will need to replace our roof mounted air conditioner, and we will confidently call on Hassler to do the job.”
    - Tom R.
    "Always professional."
    “They squeezed a whole lot of equipment into a tiny attic without a single complaint. They also helped with all of the energy-saving rebates . The estimator, installers, and service guys have been great.”
    - Sean M.

Contact Us

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