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Tim Hassler is a 17-year veteran of the HVAC industry and CFO of Hassler Heating & Air Conditioning, a Diamond Certified company since 2014. He can be reached at (510) 400-5759 or by email.

Tim Hassler

diamond certified contributor profile and expert article

Tim Hassler: A Brotherly Opportunity

By James Florence, Diamond Certified Program Reporter

EL CERRITO — Tim Hassler used to have a fruitful career in the biotech industry, but when his brother suggested they join forces in the HVAC field, he knew it was a good opportunity. “I was working as a regional manager for a service company in the biotech field,” he recounts. “My brother, Mike, founded Hassler Heating & Air Conditioning in 1999 and the business was growing a lot, so we began talking about partnering up. Not only did it offer a chance for me to progress from management to ownership, I was also excited to get into an industry that focused on improving home performance.”

Today, as CFO of Hassler Heating & Air Conditioning, Tim says his past management experience comes into play in the company’s day-to-day operations. “Right now we’re up to five installation teams, so between scheduling, pulling permits and completing jobs in a timely manner, there are a lot of logistical challenges. Fortunately, that happens to be one of my strengths, so I enjoy coordinating things so our operations run smoothly and efficiently.” Tim also likes working alongside his two stepsons, Paul and Chris. “Paul is one of our energy auditors and Chris is a service technician. They’re not just family; they’re great employees as well.”

Originally from Truckee, Tim now resides in Marin County with his wife, Tamara, where he expresses his appreciation for the region’s natural beauty. “I’m a big hiker and runner, so I really enjoy all the nature trails and open spaces in this area. The Mt. Tamalpais Watershed and Point Reyes are great places to spend time, especially with family, so I feel really blessed to live here.”

In his professional life, Tim espouses the importance of keeping customers satisfied. “Our goal is to give our customers quality products and great service,” he affirms. “We go the extra mile to provide each customer with a good experience, and even though that sometimes affects our bottom line, it’s crucial to our long-term success.”

When asked the first thing he’d do if he were to retire tomorrow, Tim says he’d take a breather. “I’d probably take a nice, relaxing vacation and do some traveling. My brother and I both work six and sometimes seven days a week, so it’d be great to have a chance to slow down and just breathe. Right now, we’re trying to put systems in place and get the right personnel so we can do that.”

Ask Me Anything!

Q: If you could travel anywhere in the world, where would you go?
A: New Zealand.

Q: What are your favorite sports teams?
A: The Oakland A’s, the Oakland Raiders and, as a UC Berkeley graduate, the Cal Bears.

Q: Coffee or tea?
A: Definitely coffee.

Q: Ever read a book more than once?
A: “Hawaii” by James Michener.

Q: What was your favorite video game as a child?
A: It’s a tie between “Defender” and “Donkey Kong.”

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Going Above Minimum Standards with Air Filters


EL CERRITO — Some people think air filters are all the same, but this is far from the case. While the heating and cooling systems in many homes have standard, one-inch fiberglass filters, the reality is that these do little to improve… Read more

Expert Video Tip

Video: Assessing Filter Options

Complete Video Transcription:

EL CERRITO — Host, Sarah Rutan: In maintaining your HVAC system, there are multiple options for filters you can use. Today, we’re in El Cerrito with Diamond… Read more


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INDUSTRY INFORMATION - Contra Costa County – Home Energy Auditor

The following associations and agencies are those that focus on home energy audits. They may have more information about professional home energy auditing companies in the Bay Area and across the country.

Association for Energy Affordability (AEA) (www.aea.us.org)