Our Service Areas

HVAC Services San Ramon, CA

For those that call San Ramon their own cozy corner of Contra Costa county, there is a lot to love about this quiet suburb of the Bay Area. From cheering on local hero Khalil Mack or tailgating for the Raiders during the fall and winter, to driving the kids to the BMX track at Memorial Park after a long summer day’s work, the safety and affordability of San Ramon make life’s other pleasures that much sweeter. 

But what happens when you arrive back home after a hot summer day to find your air conditioner isn’t blowing cold air, or your cooling costs have skyrocketed and you can’t seem to figure out why? Keeping a comfortable, energy efficient home here in San Ramon will require a lasting relationship with a trusted HVAC heating and cooling contractor — which is exactly what Hassler is here for!

A Bay Area Contractor You Can Trust

When you are looking for HVAC repair near you,  you want to know the contractor you call will show up on time and diagnose your heating and cooling issue quickly and accurately, without selling you something you don’t need. 

At Hassler, we are dedicated to exceeding expectations with accountability, honesty, and leadership, and strive to develop a lasting relationship with each of our San Ramon customers. 

This is what makes up  The Hassler Difference — we do our best to embody each of those traits on every job, including:

Customized Whole Home Solutions 

Even if two homes were designed to be identical, they have likely been lived in very differently over time. Making the homes of San Ramon more comfortable, energy efficient, and healthy will require customized approaches. We are here to help you find home performance upgrades and heating and cooling solutions that will keep you as comfortable as possible, reduce your heating and cooling costs, and increase your indoor air quality.

The best way to pinpoint the unique inefficiencies in your home is with an energy audit. Our home energy audits test your home from the basement to the attic, in order to get a comprehensive idea of how your home is performing. Using the latest in building science knowledge, Hassler will then come up with a comprehensive plan for how to move forward with your home performance upgrades. 

Breathe Easier

Have you ever thought that the air in your home might be making you sick, especially during wildfire season or during times of heavy traffic smog? Many San Ramon area homeowners go searching for a home air quality test to get at the heart of what is in their breathing air.  However, Hassler is the Bay Area expert when it comes to air purifying and ventilation as well, so no matter what, we’ll make sure your indoor air quality is as high as possible.

Hassler Is Here for Your HVAC Emergencies

Hassler is here for all of your home comfort needs, all year round and no matter the time of day — because when you need emergency heating repair or AC emergency repair, you need it now! We are one of the few HVAC companies serving the San Ramon area that is on call and ready to provide air conditioning or furnace repair at a moment’s notice. From ductless mini split air conditioners to high efficiency furnaces, take the hassle out of your heating and cooling issues.

So remember: the next time you go searching for “HVAC companies near me” or you need an energy audit near you, just look for Hassler — the home performance experts that San Ramon trusts. 

Looking for an HVAC contractor that you can depend on, year after year, to keep your home comfortable no matter the weather? Call Hassler at (510) 288-5563 or contact us.

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.

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