Ground source heat pump running costs? Economy? This is the most concerned about users, and also the easiest way to put forward a problem, however, is also the hardest to answer a question
Capillary network is competent for backwater and several parallel two sets of capillary water type structure, can according to the requirement and the insulation or cooling layer, form a composite structure, improve the efficiency of use, called the capillary bed heat exchanger.