Title

Solar Heat Pump Seasonal and Peak Demand Energy Analysis

Report Number

FSEC-CR-1957-13

Keywords

Energy Efficiency; Buildings; Heat Pumps; Retrofits

Abstract

A proprietary research project was conducted to evaluate the potential annual and peak energy reduction resulting from the addition of a solar powered mini-split heat pump system to an existing home with central heat and cooling in the Florida Power and Light service territory. Experiments were performed to characterize the performance of a solar powered mini-split heat pump over a 12-month period and to determine seasonal and peak demand savings for both heating and cooling periods. The high efficiency 1.5-ton mini-split heat pump (19.2 SEER / 10.0 HSPF), along with 2 kW of photovoltaic (PV) panels, 8 deep discharge batteries, a charge controller, and an inverter were installed in a 2000 ft2 Building Science Lab building on the Florida Solar Energy Center (FSEC) campus. The project measured high percentage energy savings with long economic payback periods.

Date Published

9-23-2013

Subjects

Buildings - Energy Efficiency; Heat Pumps; Buildings - Retrofits

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