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PSR Mechanical delivers value beyond a service agreement. We help clients throughout Seattle control the cost and worry of owning and operating their facilities. Our skilled technicians ensure mechanical systems are efficient, reliable and effective - all day, everyday.

"PSR Mechanical has been an excellent partner. Their focus on continuous improvement to our system, while working within our tight timeframes has been an essential part of our ongoing growth strategy."

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News & Articles

NETRIVER - Intelligent Data CentersInnovation for Ultra High Efficiency

Published: September, 29 2014

"PSR Mechanical has been an excellent partner for NetRiver. Their focus on continuous improvement to our system, while working within our tight timeframes has been an essential part of our ongoing growth strategy."

~ Paul Harris - Vice President & GeneralManager, NetRiver Int. LLC


  • 30,000 sq. ft. total area
  • 500 Tons air-cooled capacity
  • 300 Tons water-cooled Capacity
  • 30 Tons air-side economizer
  • 350 Ton water-side economizer


  • $200,000 Annual Savings
  • 30% Energy Cost Reduction
  • 5-Year Simple Payback Period

The Challenge

How do you grow your network hosting company into an industry leader with a world class data center on a very tight budget, with tight construction schedules? How do you start small, but build in flexibility for rapid growth so you can adapt to changing market conditions? And how do you make that data center an award winner for energy efficiency? These were the questions that NetRiver wanted to answer when they approached PSR Mechanical to help site and design their new facility.

The Solution

NetRiver, starting out as a fledgling tech company, could not get a design commitment from anyone until they approached PSR Mechanical (a Service Logic company) to help them locate a building for their new data center.

PSR started the various feasibility studies in 5 different locations until they finally settled on the REI building in Lynnwood, WA. PSR utilized variable speed pumping for chilled water, variable speed air flow, Smardt chillers with Turbocor compressors and Ultrasonic humidification and hot aisle containment.

The design team, in collaboration with the owner and Snohomish County public utility district, achieved one of the lowest power usage effectiveness ratios in the industry. As a follow up to the project, NetRiver entered into a 5-year full service maintenance agreement with PSR Mechanical, which not only ensures the ongoing energy savings, but also extends equipment warranties.

About the Client

NetRiver is the leading provider of scalable and reliable network-neutral data centers and interconnection services in the Washington area. The newest facility, Lynnwood/Seattle, provides a highly resilient and scalable environment for carriers, internet content companies, hosting firms, and enterprises to scale their operations. Its most salient feature is its high-density design, allowing clients to take maximum advantage of virtualization and blade server technology. Enterprises, content companies, systems integrators and network service providers look to NetRiver for reliability, scalability, and network diversity.

How Can We Help Your Business Grow?

"Dedicated to maintaining the world's most efficient buildings" is not just a saying at PSR (a Service Logic company); it's the way we do business. While our core business is servicing HVAC & mechanical systems, we have also developed a leading energy and sustainability program for a comprehensive best-in-class offering. Our team of customer-centric individuals is made up of some of the most talented engineers, technicians and sales professionals in the industry who are continually trained on the latest technical and energy knowledge through our industry-leading education program.

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We know the path to energy sustainability is a journey not an event. We partner with each client to analyze their utility bills, identify no-cost/low-cost savings opportunities, implement operations and maintenance practices and identify system upgrades and retrofits with a return on investment.

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PSR Mechanical - A Service Logic Company
3132 NE 133rd St • Seattle WA 98125-4423 • Local Phone: (206) 367-2500Fax: (206) 368-6856Email:
(c) 2019 PSR Mechanical

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