Applications of
Air Source Heat Pumps
Air source heat pumps provide
an alternative low cost solution for space
heating and hot water. A typical return
on investment against oil and LPG fed heating
systems the return can take as little as
5 years.
Air source heat pumps also
provide hot water from a pressurized system
up to temperatures as high as 55°C which
is very suitable for all domestic and business
requirements. This will require a tank which
is specified to the usage requirements of
the tenants or usage of the building. The
larger the tank the larger the output of
water.
All air source heat pumps
which are specified against user (domestic
& commercial) requirements do not need
any third party boosting system. The outside
of a building is where the fan intake system
(outdoor air handling unit) is fixed requiring
no annual maintenance. The fan is the only
moving part of the outdoor unit which requires
no ongoing maintenance.
Air source heat pumps take
energy from the air and raise it to a higher
temperature, using a process which is similar
to a reverse refrigeration process. For
commercial and large spaces a row or bank
of air source heat pumps (air handling units)
will be required along with internal heat
pump and pressured hot water tank for ongoing
water usage.
This is a system which utilizes
no external pipes and most of the working
elements reside within the building. The
air handling unit draws air across the water-anti
freeze solution and transfers this energy
into the refrigerant. The refrigerant boils
and the gases from this are compressed to
produce temperatures in excess of 100°C.
This part of the process mirrors a ground
source heat pump. |