Today, however, crucial words used to describe these traditional topics have been stripped from an influential children's dictionary in favour of more 'modern' terms. Among the entries which have disappeared from the latest edition of the Oxford Junior Dictionary are disciple, coronation, empire, piglet and acorn. In their place come the likes of MP3 player, broadband, biodegradable, committee and celebrity.
A heat pump is a device that transfers heat energy from a source of heat to a destination called a heat sink. Heat pumps are designed to move thermal energy in the opposite direction of spontaneous heat transfer by absorbing heat from a cold space and releasing it to a warmer one. A heat pump uses a small amount of external power to accomplish the work of transferring energy from the heat source to the heat sink.
And, technically, a heat pump is a forced-air furnace. Technically, a heat pump is a device that moves heat energy from one location to another by mechanical means. That doesn't make it a furnace.You can buy a heat pump that heats only water. You can buy a heat pump that will keep your beer cold.eat strips cost more to operate, but can be staged and used concurrently with the heat pump, moderating their expense. Gas backup (called dual fuel) is an either or situation. Heat pumps are normally sized for cooling, in order for them to run efficiently and dehumidify the air properly.