An evaporative cooling system has a lot of benefits in low-humidity
climates over traditional air conditioning systems. Evaporative air coolers
supply cool air into a house through evaporation of water. These coolers cool
the outdoor air by 15 to 40 degrees Fahrenheit by passing the warm air through
the pads that are saturated with water. The cool air is forced into the house,
as the warm air is pushed out the open windows. These coolers are extremely
affordable and use up to 75 percent less electricity, compared to air
conditioning systems.
Sizing Tips
When purchasing your cooling system, you must ensure you find the
appropriate size. Calculate the cubic feet per minute (CFM) of your home. CFM
is the cubic feet of air that is in the house and the volume of air that is
needed to replace it in one minute. Multiply the length by the width by the
height of the home. Divide this number by two. Commonly, this number will be in
between 3,000 to 6,500 square feet. Select a system that matches this number
(3,000 to 6,500 CFM). Additionally, if you have certain allergies or find dust
particles annoying, invest in a system that contains a filter.
Safety Tips
You must abide by certain safety tips and
guidelines to prevent harming yourself. When working on the evaporative cooling
system, ensure the electrical power is turned off and the system is unplugged.
Wear rubber shoes, protective gloves and goggles when performing maintenance.
Never work on your cooling system in poor weather conditions.
Maintenance Tips
It is imperative that you perform a
complete and thorough investigation each spring. Bring a pen and paper with you
when you go onto the roof to inspect the evaporative air cooler. Look over the
components and ensure they function correctly. This includes checking the pump,
motor, pads and float valve. If anything needs to be replaced, write down what
it is and what size it is. Try to get every piece of information you can, as
this will save you additional rooftop excursions. Depending on the hardness of
the water, removal of any mineral and sediment deposits needs to be done on a
regular basis. You need to perform these tasks again at least once before the
season ends, preferably once each month.
Cleaning Tips
Do the cleaning when you do the
maintenance. You must clean the cooler out in its entirety at the beginning of
the season, then again when the season ends. You must check the reservoir,
pump, pads, and filters once each month, at minimum; thoroughly clean each
item. Lastly, replace the pads twice each season. Make sure you take the
appropriate safety measures and that the system is unplugged.
Window Tips
You must make sure the windows within your
home are open at least a forth of the way. If you do not do this, the warm air
will not be able to get out, as the cooler air enters the room. The amount a
window is open will control the temperature and humidity for that room. Simply
close the window to any room that does not need cooling. Minimize the heat from
these windows by utilizing heat absorbing film or adding blinds to them. You
should also employ reflective film and windows, if budget allows.
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