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Marathon HVAC Service, Inc. started as a family owned and operated A/C 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.

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About us

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