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Hassler Heating & Air Conditioning, LLC

Heating & Air Conditioning & Home Energy Auditor
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Alameda  Contra Costa  Marin Counties
Diamond Certified Company Report
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Hassler Heating & Air Conditioning, LLC
288 SURVEYS
  • star image
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  • star image
  • star image
  • star image
  • Rating
11 CONSECUTIVE YEARS
SINCE APRIL 2014
CERT 2141

Diamond Certified Ratings Dashboard

288

Verified Customers

Surveyed

Customer Loyalty

Customer Satisfaction

Helpful Expertise

READ ALL 288 SURVEY RESPONSES

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance

Company Report Menu

  • Survey Responses
  • Diamond Certified Video Player
  • Researched Articles & Profile
  • Capabilities
  • Photos
  • Expert Contributor Advice & Tips
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Hassler Heating & Air Conditioning, LLC
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Diamond Certified Researched Articles on Hassler Heating & Air Conditioning, LLC

researched article

One of Hassler Heating & Air Conditioning’s service vehicles

Hassler offers full HVAC services including maintenance, repairs, water heaters, ductless, full system replacements, and heat pump conversions. Starting with an in-home energy audit, which is crucial for gas-to-electric transitions, Hassler ensures properly sized equipment for comfort and efficiency. The company may also suggest air draft sealing, insulation, windows and/or zone technology for more efficient, long-term solutions. As a BayREN Home Upgrade and TECH Clean California contractor, Hassler helps customers access up to $7,000 in heat pump water heater rebates, managing the rebate process. Since 2010, Hassler has assisted in securing over $5 million in rebates and tax credits for its customers.

General Manager Tim Hassler says Hassler’s ability to act as both a full-service HVAC contractor and a home performance company has been a crucial aspect of its success. “It’s rare to find a contractor that handles both sides. Our clients call us and refer us to others because they know we’re passionate about helping people optimize their energy efficiency and improve their home comfort and health. Additionally, many homes in Contra Costa County are uniquely designed and don’t fit into the standard ‘good, better and best’ project design. Ninety percent of projects involve pre-work site visits with one of our project managers to ensure a custom-tailored system that will last for decades and perform optimally. This is especially important with many of us working from home at least part of the time in the past few years.”

"We strive to make an impact on our clients’ daily lives by improving their home comfort, energy efficiency and indoor air quality while also playing our part to reduce California's energy usage one home at a time."

If you’re a homeowner, consider the benefits of an energy audit. Home energy audits survey the use of energy in a home by showing where energy is lost through inadequate insulation, duct cracks, ventilation problems, faulty HVAC systems, old appliances, and other systems and materials within the home. A good home energy audit will culminate with a final analysis or report of the findings and provide you with a suggested list of repairs, additions or upgrades that will help your house use energy more efficiently and create a more comfortable indoor environment.

“A lot of homeowners are starting to realize the importance of home energy efficiency and indoor air quality,” says Michael Hassler, co-owner of Hassler Heating & Air Conditioning in El Cerrito. “Evaluating and fixing energy efficiency problems can save you a lot of money and greatly improve your quality of life, and that all starts with a formal home energy audit that’s conducted by a knowledgeable company.”

Home energy audits may include a combination of a walkthrough visual inspection that looks for cracks or faults in windows, doors, skylights, walls, ceilings and other areas of the building envelope. It may also include an evaluation of the appliances and systems present in the home. Some home energy auditors may also view utility records and use specialized equipment to test for air leaks, roof and shading concerns, and customer behavior.

Home energy audits are usually a wise investment, especially for homeowners who live in older homes, feel that their systems are running inefficiently or are uncomfortable in certain areas of their homes due to inefficient heating and cooling. Home energy audits performed by qualified companies can highlight energy loss and inefficient systems and suggest fixes to these problems, which can result in lower utility bills, a more comfortable home and healthier family members.

“Home performance repairs are about more than just installing new heating systems,” says Tim Hassler, CFO of Hassler Heating & Air Conditioning. “Companies can now provide air sealing that prevents ventilation systems from taking in bad air from crawlspaces or attics and dispersing it throughout the home. Also, good contractors can improve indoor air quality while repairing or replacing heating systems, which improves efficiency and health.”

Maintaining customer satisfaction is a crucial aspect of any business, but it's even more important for home energy auditors that have earned the prestigious Diamond Certified award. For Hassler Heating & Air Conditioning, the key to achieving and maintaining high levels of customer satisfaction is simple: provide high-quality, fairly priced products and services that make its clients' homes more comfortable and efficient. "Our goal is to find creative solutions that greatly improve our customers' lives," says co-owner Michael Hassler. "We're very passionate about helping people optimize their energy efficiency."

Diamond Certified Researched Capabilities on Hassler Heating & Air Conditioning, LLC

Service Area

serving area
Alameda County
Contra Costa County
Marin County
Serving Alameda, Contra Costa and Marin Counties

Main Services

Heating & Air Conditioning
  • Ac Tune Ups
  • Air Conditioner Repair
  • Air Conditioning
  • Commercial Air Conditioning
  • Ductless Heating And Cooling Systems
  • Furnace Repair
  • Heat Pump Repair
  • Heating
  • Hvac Installation
  • Hvac Replacement
  • Mini Splits
  • Water Heater Repair
Home Energy Auditor
  • Blower Door Testing
  • Electric Meter Testing
  • Energy Assessments
  • Energy Audits
  • Energy Solutions
  • Hers Inspections
  • Home Inspections
  • Home Solar Batteries

Additional Services

Central Ducted Heat Pump, Ductless Mini-Split Heat Pump, Water Heater (Standard, Tankless, Heat Pump, Electric Resistance), Furnace, and A/C Installations and Repairs
Home Energy Assessments and Home Energy Score (HES) Assessments
Energy Upgrade Measures (Building Shell)

Company Info

Hours
Mon
07:30 am - 06:30 pm
Tue
07:30 am - 06:30 pm
Wed
07:30 am - 06:30 pm
Thu
07:30 am - 06:30 pm
Fri
07:30 am - 06:30 pm
Sat
08:00 am - 04:00 pm
Sun
Closed
Closed
Mon – Fri: 7:30am – 6:30pm
Sat: 8am – 4pm
Website
Contact
Hassler Heating & Air Conditioning, LLC

Capabilities Table

Company Name
Hassler Heating & Air Conditioning, LLC
DCID Number
DCID5109613624
Managers
Tim Hassler, General Manager,
Mike Hassler, General Manager
Years in Industry
35+ (Combined)
# of Employees
35
License
770180
Memberships
Better Business Bureau, El Cerrito Chamber of Commerce
Insurance
Liability Insurance,
Workers' Compensation
Founded
1999
Customer Type
Commercial, Residential
Payment Accepted
mastercard,
visa

Certifications & Awards

diamond certified logo

Brands

capabilities award
capabilities award
capabilities award
capabilities award
capabilities award

Key Factors

Hassler Heating & Air Conditioning, LLC Family Owned
Family Owned
Hassler Heating & Air Conditioning, LLC Established in 1999
Established in 1999
Hassler Heating & Air Conditioning, LLC Residential & Commercial
Residential & Commercial
Hassler Heating & Air Conditioning, LLC Financing Available
Financing Available
Hassler Heating & Air Conditioning, LLC Diamond Certified Expert Contributor
Diamond Certified Expert Contributor

Select Photos From Hassler Heating & Air Conditioning, LLC

1 of 28Picture of Hassler takes great pride in customer satisfaction. - Hassler Heating & Air Conditioning, LLC
Hassler takes great pride in customer satisfaction.
Picture of Hassler takes great pride in customer satisfaction. - Hassler Heating & Air Conditioning, LLC
Picture of Hassler is leading California’s electrification initiatives. - Hassler Heating & Air Conditioning, LLC
Picture of Hassler strives to take the hassle out of home comfort. - Hassler Heating & Air Conditioning, LLC
Picture of Hassler can help clients electrify their homes with new heat pumps. - Hassler Heating & Air Conditioning, LLC
Picture of Hassler specializes in heat pump conversions. - Hassler Heating & Air Conditioning, LLC
Picture of Hassler builds custom HVAC systems for unique homes. - Hassler Heating & Air Conditioning, LLC

Diamond Certified Expert Contributor Advice & Tips

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

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

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 ...

Read Full Article - Tim Hassler: A Brotherly Opportunity

Hassler Heating & Air Conditioning, LLC Website and External Feeds

FAQs

By Hassler Heating & Air Conditioning, LLC

How do I improve the air quality inside my home?

Can you balance the temperature in my home if I have rooms that are too hot or too cold?

Is replacing my HVAC system my only option for fixing temperature inconsistencies inside my home?

Can you reassure me if I’m nervous about hiring a contractor?

Hassler Heating & Air Conditioning, LLC Ratings and Survey Responses

diamondcertified logo
Hassler Heating & Air Conditioning, LLC
288 SURVEYS
  • star image
  • star image
  • star image
  • star image
  • star image
  • Rating
11 CONSECUTIVE YEARS
SINCE APRIL 2014
CERT 2141

Diamond Certified Ratings Dashboard

Customer Satisfaction

Customer Loyalty

Helpful Expertise

Company Credentials

  • Liability Insurance
  • Business Practices
  • Current Complaint File
  • Workers Compensation
  • License Verification
  • Legal & Finance

Phone Survey Responsesfrom 288 Verified Customers

Jasmine S.

They are amazing. I needed work done within a certain time frame, and they were able to get someone on the jobsite and completed the work within the time frame that I had.

I liked that they were efficient, the staff and their service.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 1 of 288

10 Quality
Yes Loyalty
Connie S.

It's incredibly well run and the communication happens the way it should. They're very smart when they come to repair something and the people are great.

They're totally friendly, responsive, and prompt with appointments. They really think about how something could be repaired and what could be wrong with it. I have a funky old furnace and they've done a great job with it. I think they're a terrific outfit.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 2 of 288

10 Quality
Yes Loyalty
Catherine D.

They have a very competitive price and they delivered on what they promised. They have good quality and they're very prompt. It's a fabulous company.

Everything that they did was very professional, but I particularly liked dealing with Eddie.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 3 of 288

10 Quality
Yes Loyalty
Sandy R.

They know what they're doing, but above all, they're trustworthy. I can believe them when they say the cost of what will be done. I know it'll be done in the best possible way. They were courteous and considerate. When they were late, they called beforehand to let us know they were running late, instead of just showing up whenever. We didn't feel any hesitation when we had to leave the house to run errands, so we left the doors open for them.

They're trustworthy.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 4 of 288

10 Quality
Yes Loyalty
Cleo W.

They were courteous, kind, on time, and neat. Everything they did made us very pleased. I would tell them that this is a good company to contact, and that if they do, they will be truly satisfied. The employees are courteous, polite, and clean. They don't leave a mess, they talk about what they are going to do, and they show you everything along the way.

The thing I liked best was that the employees were very kind and courteous.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 5 of 288

10 Quality
Yes Loyalty
Gerald W.

They are reliable. Jackie in the office is really solid and she makes sure the owners are accessible. They change their rates in-between jobs and I was able to get the old rate as opposed to the new rate. They make sure there is someone there to answer my questions. They email me my invoices and I just mail them a check.

They sent the invoices on time and they fixed things when I wasn't around. They are the only HVAC company I use and I have used them 3 times now. Their rating on Angie's List was consistent to the service I received.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 6 of 288

10 Quality
Yes Loyalty
Candace H.

They have exceptional service, because they are connected to the state Energy Savings Assistance Program with Energy Upgrade California. They can really test their systems to make sure that they are working properly, which most installers can't do, because it requires special training.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 7 of 288

10 Quality
Yes Loyalty
Victor F.

The people who come out to help you figure out what you want to do, are knowledgeable and they helped us figure things out. They worked out a plan for us and adjusted to what we could afford. It all worked beautifully and I would recommend them with confidence.

The people that work there are thoughtful and well informed. The heat pump itself works great.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 8 of 288

10 Quality
Yes Loyalty
Dan B.

They aren't inexpensive, but the quality is high and well worth it. Excellent customer service, responsive and if you are a regular customer, they respond really quickly, even when they are busy.

Quality work, good people, good to your home, respectful of your property, clean up well and are thorough

Verified Customer of Hassler Heating & Air Conditioning, LLC, 9 of 288

10 Quality
Yes Loyalty
Madison H.

I would highly recommend them. They provided excellent products, did a great job installing the heating and air conditioning, and they provided really great maintenance. I trust them.

They're good.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 10 of 288

10 Quality
Yes Loyalty
Elbert C.

The people have all of their tools with them, which is nice. They don't have to go back to a store or shop for anything. The whole thing was very smooth and very professional.

I felt confident in the job.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 11 of 288

10 Quality
Yes Loyalty
Julie H.

I thought that the technician who came out was very professional and helpful. I thought that he was very trustworthy. This was a long time ago, so I don't remember his name.

I don't really recall. They were recommended to us by our Realtor.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 12 of 288

10 Quality
Yes Loyalty
David H.

They're professional and extremely knowledgeable. They really understand your situation and make recommendations, rather than just trying to sell you stuff.

I liked their efficiency.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 13 of 288

10 Quality
Yes Loyalty
Ernie V.

I am a building inspector for the city they originate from. I inspect their work on a regular basis. I use them because I know they do great work.

They were on time, they got it done on schedule, and they were very pleasant and easy to work with. They are a very good company.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 14 of 288

10 Quality
Yes Loyalty
Robert M.

They were very professional. The person who came out initially was very knowledgeable with an engineering background. He was a good salesperson.

They had professional and knowledgeable workers and were reasonably priced.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 15 of 288

10 Quality
Yes Loyalty
Steve R.

The owner, Mike, is very personable. He weighed everything out clearly, and everything he said would be done was done. Everything was effective.

He kept his word and I had him back to make an adjustment which I thought needed to be done, which he agreed, and he didn't charge me.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 16 of 288

10 Quality
Yes Loyalty
Dorothy L.

Not only is Mike Hassler a good person and excellent with public relations, his entire staff has integrity and a workman-like attitude.

That's a good one. I like best that our heating unit actually is performing up to our expectations. They were excellent. It was a good experience.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 17 of 288

10 Quality
Yes Loyalty
Kat G.

They have pretty good prices, a variety of services offered, really good service, good communication and they're pretty knowledgeable.

The knowledge, service and prices

Verified Customer of Hassler Heating & Air Conditioning, LLC, 18 of 288

10 Quality
Yes Loyalty
Matthew K.

Just that they showed up, the service was great, and they took care of the issues. Also, they charged me exactly what they quoted me.

I think in general terms, professionalism

Verified Customer of Hassler Heating & Air Conditioning, LLC, 19 of 288

10 Quality
Yes Loyalty
Roger H.

I yelped them. I told consumers to hire them. They're great. I'm lying next to my heater right now, away from the rain thanks to them.

Jesse and Mike are great. They have a great crew. It was great from start to finish.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 20 of 288

10 Quality
Yes Loyalty
Edward M.

Great consultation about what was the best unit for my heating needs, very fast service, and they left the area impeccably clean.

They didn't try to sell me more than a heater that I needed for my house. They were great.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 21 of 288

10 Quality
Yes Loyalty
Dan R.

They did a good job. They gave me good options, they were forthcoming, direct, helpful, nice, considerate, friendly, and prompt.

I've always felt that they were down-to-earth. They have good communication skills and they're flexible.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 22 of 288

10 Quality
Yes Loyalty
Jim O.

I was very satisfied from start to finish. Everyone that was there, from start to finish, and the follow-up was outstanding.

The whole process from start to finish

Verified Customer of Hassler Heating & Air Conditioning, LLC, 23 of 288

10 Quality
Yes Loyalty
Mark J.

They were very thorough, easy to work with, did high quality work and hired people with different qualities to fit the job.

That they were very good about explaining what the job entailed and giving us options, the installation went smoothly.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 24 of 288

10 Quality
Yes Loyalty
Glenn F.

They came on time, they were proficient, they gave me good advice, and they were polite. I was very happy with everything.

I think I liked the expertise and the confidence it gave me as their client.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 25 of 288

10 Quality
Yes Loyalty
Dan B.

They are very reliable. They are not inexpensive, but I can rely on them, and I would recommend them without hesitation.

Competence of the people and the courtesy they treat you with

Verified Customer of Hassler Heating & Air Conditioning, LLC, 26 of 288

10 Quality
Yes Loyalty
Julee C.

They are really honest. They were not just trying to get my business. I've used them multiple times, and I trust them.

They are honest.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 27 of 288

10 Quality
Yes Loyalty
Neil T.

I have used them on a couple of different properties, and they do a good job. They do small and large jobs very well.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 28 of 288

10 Quality
Yes Loyalty
Jennifer L.

They are on top of things, they listen, and they respond to peoples needs. They did a nice job installing everything.

They did a really great job of installation and integrating with my current system. I had a heater already, and they integrated an air conditioning unit. They added zoning to the house.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 29 of 288

10 Quality
Yes Loyalty
Mike C.

I just really appreciate their attention to detail and organization. It is a really high quality organization.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 30 of 288

10 Quality
Yes Loyalty
Julie G.

Mike came out on his day off of work and spent some time with us on the phone providing great information.

Their commitment and dedication to their work

Verified Customer of Hassler Heating & Air Conditioning, LLC, 31 of 288

10 Quality
Yes Loyalty
Joanne H.

They gave me a good price and they did really great work. They seemed very trustworthy and knowledgeable.

They had a good review on Yelp.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 32 of 288

10 Quality
Yes Loyalty
Sue P.

When anyone asks me who I use, I say to call Hassler. Everyone I've referred to them has been happy.

Nothing

Verified Customer of Hassler Heating & Air Conditioning, LLC, 33 of 288

10 Quality
Yes Loyalty
Lee P.

I have already told some friends how wonderful the experience was, and they already employed them.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 34 of 288

10 Quality
Yes Loyalty
C.R.R.

I have a professional relationship with them. They are my go-to company. They are quick and fast.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 35 of 288

10 Quality
Yes Loyalty
Robert V.

They were professional and they didn't try to convince me to pay for something that I shouldn't.

I liked their professionalism and honesty.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 36 of 288

10 Quality
Yes Loyalty
Marion H.

I would recommend them. They are diligent and don't try to find ways to charge you for nothing.

They treat you with respect and look out for your budget.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 37 of 288

10 Quality
Yes Loyalty
Ryan L.

They do quality work. They're always on time, and they completed the work in a timely fashion.

I didn't really have to worry about much. Everything was straightforward

Verified Customer of Hassler Heating & Air Conditioning, LLC, 38 of 288

10 Quality
Yes Loyalty
Ella K.

They are very good and responsive. They put in a great system, and I've had no issues with it.

I haven't had any trouble at all.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 39 of 288

10 Quality
Yes Loyalty
Jill M.

They are the best and every person I worked with, even on a big furnace system, was fabulous.

Top quality, nice, reliable, and they were just great.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 40 of 288

10 Quality
Yes Loyalty
Paul W.

They're very good, cooperative, they do the work in a timely manner, and very responsive.

Their willingness to help with the design and great installation

Verified Customer of Hassler Heating & Air Conditioning, LLC, 41 of 288

10 Quality
Yes Loyalty
Wendy S.

They were really honest, prompt in coming out and we had heard good things about them.

They didn't try to sell us on things we could do. They told us our options, but didn't push us on anything. I appreciated that.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 42 of 288

10 Quality
Yes Loyalty
Karen T.

Mike Hassler is trustworthy. He's got an excellent work ethic and he is really honest.

He did some work for us when we were renovating our house, and we weren't ready to finish up our work with Hassler quite yet. We called him 2 years later when we were done with renovation, and needed him to finish his part, and he honored it and came to finish it up.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 43 of 288

10 Quality
Yes Loyalty
Columbia I.

It was fine. There was a problem, but it was resolved. They take care of any problems.

Communication, they were pretty quick to respond and communicate.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 44 of 288

10 Quality
Yes Loyalty
Kevin P.

They have excellent service, they're on time, and they do everything that's promised.

The main guy is very personable, upfront, and accurate with his estimate.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 45 of 288

10 Quality
Yes Loyalty
Joe A.

They are very reliable, neat, they do a great job, and they have great people skills.

The quality of the workers, they seemed like they really understood what they were doing.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 46 of 288

10 Quality
Yes Loyalty
Doug S.

The crucial thing is that the people who I talked to really listened to my concerns.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 47 of 288

10 Quality
Yes Loyalty
David G.

They did a good job installing my furnace and have done generally fine ever since.

They seemed like they were the most affordable and responsible bidder at the time that I needed my furnace.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 48 of 288

10 Quality
Yes Loyalty
Monica L.

They were very knowledgeable, and they were very efficient when doing their work.

Their friendliness, the fact that they were descriptive while they were doing the service, and they kept me informed of all the work they were doing.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 49 of 288

10 Quality
Yes Loyalty
Jed S.

They were responsive, and they followed through on the work they said they'd do.

They have prompt service and they're straightforward.

Verified Customer of Hassler Heating & Air Conditioning, LLC, 50 of 288

10 Quality
Yes Loyalty