economical fridge defroster

10-08 — elektor october 1981 economical fridge defroster takes the ice out of the energy price! Many fridges nowadays are equipped with an automatic defrosting unit to prevent the cooler from icing up. A thick layer of ice will affect operation and raise the electricity bill considerably. This can be remedied by defrosting the unit periodically. The trouble is, automatic defrosting units also consume quite a lot of current and what is more they produce a fair amount of heat which adds to the fridge"s energy intake. An electronic fridge defroster, on the hand, manages to do the same work at a lower energy cost. vided. When the ice has melted on the cooling plates the fridge is switched eITI• again automatically. The modern defrosting units with which many fridges are equipped nowadays are fully automatic and so make life very easy. The snag is, such luxury ends up putting up the energy bill as well! A vicious circle ... What happens is that whenever the thermostat switches off ...