20 September 2011

GROUND SOURCE HEAT PUMP SYSTEM FOR NET ZERO ENERGY HOUSE


Authors designed a passive low energy house integrated with a ground source
heat pump (GSHP). Firstly we measured the total energy flow through a year and
demonstrated the high potential of this low energy house. Secondly we mentioned the automatic control of temperature and humidity of the ventilation system. An earth tube, which
is tube for heating supply air and buried in the ground, helped to reduce the heat loss of the ventilation, and Wakkanai Siliceous Shale (WSS), which was a porous material, helped to
control humidity. Thirdly we changed the operation pattern of GSHP for Space Heating (SH) and evaluated the room environment and the running cost. Lastly, we developed a radiative floor heating simulator. It had advantage for the calculation of the house with the large thermal capacity. We demonstrated one of the most efficient controls of SH in pursuit of the comfort and the low energy for the condition of the measurement house.