New Whole-House Solutions Case Study: Hydronic Heating Coil Versus Propane Furnace, Rehoboth Beach, Delaware
In this project involving two homes, the IBACOS team evaluated the performance of the two space conditioning systems and the modeled efficiency of the two tankless domestic hot water systems relative to actual occupant use. Each house was built by Insight Homes and is 1,715-ft2 with a single story, three bedrooms, two bathrooms, and the heating, ventilation, and air conditioning systems and ductwork located in conditioned crawlspaces. The standard house, which the builder offers as its standard production house, uses an air source heat pump (ASHP) with supplemental propane furnace heating. The Building America test house uses the same ASHP unit with supplemental heat provided by the DHW heater (a combined DHW and hydronic heating system, where the hydronic heating element is in the air handler).
- Research Organization:
- IBACOS
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Building Technologies Office (EE-5B) (Building America)
- OSTI ID:
- 1220936
- Report Number(s):
- DOE/GO-102014-4302; 6674
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Residential Buildings
IBACOS
Building America
air source heat pump
hydronic system
combination system (space and water)
new construction
Rehoboth Beach
Delaware
domestic hot water
DHW
supplemental propane furnace
field test results
modeling
occupant comfort
space conditioning
tankless water heating system