Ground Source Heat Pump Sub-Slab Heat Exchange Loop Performance in a Cold Climate
- IBACOS, Inc., Pittsburgh, PA (United States)
This report presents a cold-climate project that examines an alternative approach to ground source heat pump (GSHP) ground loop design. The innovative ground loop design is an attempt to reduce the installed cost of the ground loop heat exchange portion of the system by containing the entire ground loop within the excavated location beneath the basement slab. Prior to the installation and operation of the sub-slab heat exchanger, energy modeling using TRNSYS software and concurrent design efforts were performed to determine the size and orientation of the system. One key parameter in the design is the installation of the GSHP in a low-load home, which considerably reduces the needed capacity of the ground loop heat exchanger. This report analyzes data from two cooling seasons and one heating season.
- Research Organization:
- IBACOS, Inc., Pittsburgh, PA (United States); National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Building Technologies Office
- DOE Contract Number:
- AC36-08GO28308;
- Other Award/Contract Number:
- KNDJ-0-40341-03
- OSTI ID:
- 1220905
- Report Number(s):
- DOE/GO--102013-4295; 6609
- Country of Publication:
- United States
- Language:
- English
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