Air Source Heat Pumps  Low Temperature Heat Pumps  High
Temperature Heat Pumps  What is a heat pump?  heat pump: what is
it?  It all starts with the sun. The sun warms up our atmosphere
and the outer layer of the earth’s crust. In one year the energy
sent to the earth by the sun is 50 times higher than the total
consumption of energy on our planet. This makes the sun a vast
and inexhaustible source of energy.  On sunny days you can feel
the thermal energy from the sun on your skin. But actually,
there is always lots of thermal energy in the air, even on cold
winter days or even at  night. And not only in Florida or the
south of Spain, but also in countries like Sweden or Norway
where thousands of houses already have heat pumps.  How do heat
pumps work?  A heat pump only needs a heat source (the outside
air), two heat exchangers (one to absorb and another one to
release heat) and a relatively small amount of drive energy to
keep the system going.  A heat pump extracts thermal energy from
the environment.  In t