How pumps work


Solar Cooling - Air Conditioning From the Sun

At first glance, solar cooling looks like an
oxymoron. However, the same energy that canSolar panels can also be used to operate
provide heat in the wintertime can alsotraditional air conditioners. As it happens,
provide  cooling  during  the  summer.the periods of intense heat correspond to the
periods of peak electricity production from
Several passive cooling systems have beenphotovoltaic cells. As long as you have
developed and tested. At their simplest,solar panels which generate sufficient to
they rely on a coolant that absorbs andelectricity, you can operate air conditioners
dissipates heat from the house. This couldat  no  cost.
be a pool of water on the rooftop which
absorbs seat from the inside of the house asSolar cooling that does not take advantage of
it  evaporates  on  exposure  to  the  sun.high technology is another possibility. The
Romans used a system of running water to cool
More sophisticated passive solar coolingdown exterior walls of their houses. The
systems have a solar collector which isheat of the sun causes the water to evaporate
shaded during the daytime. A storage mediumand dissipate the heat within the house.
collects heat during the day and dissipatesThis kind of system can be used on walls or
it at night by exposing the solar collectoron  rooftops.
to  the  cool  night  air.
Heating and cooling are two of the biggest
Since the solar collector must be shaded, aexpenses for most households. Using solar
retractable awning or overhang extension canenergy to reduce this expense makes sense
be installed. Since the system can befinancially as well as ecologically. The
reversed in the winter months, it isless dependent we are on fossil fuels for
important that the solar collector can beheating and cooling the cleaner the
exposed  to  sunshine  if  needed.environment will be.



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