About Marathon Services

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Marathon began as a family-owned and operated AC and heating company, proudly catering to our customers in the greater Los Angeles area since 1990. Over the years, we’ve expanded our expertise to include top-notch plumbing services. Our highly trained professionals not only excel in new unit installation, incorporating the latest indoor comfort technology like eco-friendly products and remote access, but we also deliver exceptional plumbing solutions for all your needs.

Marathon HVAC Services, LLC. started as a family owned and operated AC and heating company. We have proudly served our customers throughout Los Angeles County since 1990. We have the knowledge and experience to service older units. As an independent dealer of the uncompromising American Standard Heating & Air Conditioning product line, our highly- trained professionals offer new unit installation, with the latest technology in indoor comfort – such as eco-friendly products and remote access.

quote 1Reviews

Jon Olivan

Technician JAIME did a fantastic job, he thoroughly explained the HVAC maintenance process for my system and gave my entire system a tuneup it needed. I would recommend Marathon to others.

Megan SR

I’ve used Marathon multiple times over the past several years for both my AC and heater. They are prompt, trustworthy, friendly, and easy to schedule/communicate with. Jaime is an excellent technician, and Tomas, David, and Cesar did a great job installing our new HVAC system on our less-than-convenient rooftop. Thank ...

Scott Matsunaga

Daniel did a great job! Very professional and friendly! I recommend him!

Pamela Twiggs

I have been dealing with Marathon for the past 3 years and am currently a VIP member. My service guy Leo Zepeda is very knowledgeable and professional and has always been very kind and efficient everytime he’s completed my servicing. It is wonderful to have such diligent employees and caring ...

Bruce Ellis

Jaime did a excellent job. He replaced the thermostat. and supplied preventative maintenance

Lore Setlock

I had my seasonal maintenance today with Daniel Martin. He was very professional. He showed how much he loved working for this company, and how he loved his job. He showed me pictures of my system working when he was done. Great employee!
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