A Simple Homemade Solar Air Heater - Build Cheap DIY Solar Powered Air Conditioning Heaters

The use of solar energy from the sun is one ofcooler body, the moving air.
the ways where depletion of resources (especiallyBasic theories of science also states that one of
that of consumable energy generators such as oilthe properties of air is that cooler air moves
and coal) is lessened and conservation of energydown and hotter air goes up. This is partly one of
is maximized. Knowing on how to build a simplethe hidden reasons why solar air heaters are
and cheap diy homemade solar powered airsuggested to be built vertically rather than
conditioning heater to heat up a room or a househorizontally, because without using any other
is one example of the application of solar energyequipments or devices cool air enters the bottom
for household use.of the heater then as the temperature goes up
The basic principle in making a solar air heater liesdue to the transfer of heat this air goes up into
in the behavior and movements of air, metals andair vents or tubes which is connected to the
colors. Inside the main body of the solar airroom or house where increase in temperature is
heaters are pipes or tubings coated in black paintdesired. No more compressor or pump is
(using black paint enhances the ability of the pipesnecessary for such movement.
to absorb heat). These pipes are also made up ofThe longer the pipings and tubings are and the
metals which have abilities to attract and absorbmore tubes the air passes through the higher the
heat (some environmentalists use aluminum cansincrease of temperature from the final output to
because this metal has a high thermal conductivitythe initial input are achieved. Designs such as loops
and at the same time by doing so recycling isand the "snake" piping configuration are
done lessening the garbage and effect to landsometimes suggested by literature for use as it
contamination).requires slower rising of air to the outlet and
Solar air heaters are usually situated in a verticalhaving more heat transfer processes as it passes
position where its body or at least a large portionthrough. However by using these complex
of the whole apparatus is exposed to the sun'spatterns it must also be taken into consideration
rays. As cool air enters the bottom portion of thethat this also has a negative side because if
tank, it passes through the black-coated pipes andinsulation of heat is quite poor the longer the
it is in this process that transfer of heat from thepipings are the more chances the initial heat
pipes to the transient air happens (convection).acquired by the air is instead given off to the
The laws of heat transfer states that heatsurroundings. Now you have a better idea on how
moves from the hotter body to a cooler one,to build a simple and cheap diy homemade solar
following this law, the pipes which in this situationpowered air conditioning heater.
is the hotter object gives off its heat into the