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Sound Partners LLC Acquires Marathon HVAC Service, Launching Residential HVAC Platform in High Growth Los Angeles Market

Los Angeles, CA – April 10, 2023 – Sound Partners LLC, a lower-middle market private equity fund, announced today the acquisition of Marathon HVAC Service, a leading residential HVAC company based in Los Angeles, CA. This marks Sound Partners’ second platform in the HVAC space, following the acquisition of Tradewinds Mechanical, LLC, a leader in commercial HVAC-R in Las Vegas, NV.

Founded in 1990 by Ray and Tatiana Martinez, Marathon HVAC Service has grown into a renowned provider of residential HVAC services in Southern California. The company’s success is attributed to Ray’s vision and unwavering dedication to quality service, earning him the nickname “Marathon Man.”

“We are incredibly proud of the company we’ve built over the past three decades and are confident that Sound is the right partner to continue Marathon HVAC Service’s growth and success,” said Ray and Tatiana Martinez. “Their commitment to customer service, operational excellence, and strategic expansion aligns perfectly with our values and vision for the future. We are excited to see Marathon flourish under their leadership.”

“We’re excited to partner with Marathon HVAC Service and welcome them to the Sound Partners family,” said Zepher Loesch, Founder and Managing Partner of Sound Partners. “Ray and Tatiana Martinez have built an exceptional business with a strong reputation for customer satisfaction. We look forward to building on this foundation and scale the company through organic growth and additional acquisitions to become a leader in residential HVAC in Southern California.”

Tatiana Fitzpatrick, daughter of Marathon’s founders, will be the Chief Operating Officer of the company going forward. Having been with the company since 2014, Tatiana brings her extensive industry knowledge and experience to the role. “I am eager to partner with Sound to continue my parents’ legacy and further grow Marathon HVAC Service,” said Fitzpatrick. “We are committed to delivering exceptional service to our customers while expanding our reach in the region.”

As part of Sound Partners’ strategic growth plan, the firm will work closely with Marathon leadership to create a differentiated offering in residential HVAC for customers across Southern California and beyond. Marathon is actively hiring additional technicians and pursuing acquisitions in the region to scale the company rapidly. 

The financial terms of the transaction were not disclosed.

About Sound Partners:

Sound Partners is a lower-middle market private equity fund focused on investing in companies with $2-$20 million in revenue across various sectors. Sound provides companies with operational and strategic support to help accelerate growth and drive long-term value creation. Sound is focused on investing in family and founder-owned businesses looking for support in transitioning to their next phase of growth and professionalization. Sound brings the collective experience of investors that have deployed over $1 billion of capital in private transactions and operators with substantial experience across industries including construction, facility services, distribution, and manufacturing.


About Marathon HVAC Service

Marathon HVAC Service is a leading residential HVAC company based in Los Angeles, CA. Founded in 1990, the company has built a strong reputation for providing exceptional service and customer satisfaction. Marathon HVAC Service offers a comprehensive range of heating, ventilation, and air conditioning solutions for homeowners throughout Southern California. For more information, visit www.marathonhvac.com.

For Any Inquiries

Gavin Smith, Media Relations

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