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Trane Engineers Newsletter: Storage Source Heat Pump System:  A Trane Building Case Study

In this Engineers Newsletter (EN), Trane applications engineer, Sarah Hilden, reviews real-world operational performance of a Storage-Source Heat Pump System installed in La Crosse, Wisconsin, and shares lessons learned from design, installation, and operation.

High-Efficiency Heating and Cooling

The Storage-Source Heat Pump System (SSHP) is a high-efficiency, electrified hydronic heating and cooling system. It uses a water-to-water heat pump (WWHP) to heat a building with electricity instead of fossil fuels. This system incorporates two key technologies to increase the overall system heating COP and extend system operation to very cold ambient conditions: heat pumps and thermal energy storage.

Learning Through Innovation

This building is designed to serve as both a showcase and a learning laboratory, not only for Trane but also for visiting engineers and consultants. The lessons learned here will offer valuable insights for those considering the Storage Source Heat Pump for future heating projects.

To read this EN:

This new issue of the Trane® Engineers Newsletter is now available to read or download from trane.com/EN.

More about Trane Engineers Newsletters

Engineers Newsletters are topical, informative articles that provide engineering professionals who design HVAC systems with reliable, objective, and technologically current information in a non-commercial format. They've been published by Trane’s Applications Engineering team since 1972 and have long been a trusted technical resource throughout the industry. Subjects range from HVAC system configurations to acoustics to interpretation of ASHRAE standards.

Engineers Newsletters are provided to customers free of charge. Current and past issues can be viewed on trane.com/EN, and you can even subscribe to receive e-mail notification when a new issue is published.

ERIC STURM | SALES AND MARKETING

About the Author

Sarah Hilden, Applications Engineer

Sarah joined Trane in 2015. In her current role as an applications engineer, her expertise is centered on hydronic heating and cooling system design and control, including thermal energy storage (TES) solutions, aimed at facilitating decarbonization through electrification. Sarah earned her Bachelor of Science degree in Electrical Engineering from North Dakota State University in 2002.

Sarah is actively involved with the La Crosse Area Chapter of ASHRAE®. She currently serves as the chapter’s President-Elect. She also contributes to ASHRAE as the secretary and a voting member of Technical Committee 6.1, which focuses on Hydronic and Steam Equipment and Systems.