Mister Systems
The important feature to look for is a very fine mist that will quickly evaporate. Some of the cheaper models don't achieve this so people and furniture do get wet. 1. The finer the mist, the better the results - more cooling and a larger area is cooled. 2. The higher the pressure the finer the mist and the more drop in temperature Patio Misting SystemThere are basically three levels of pressure for a patio misting system:1. Low Pressure Low Pressure misting using only water pressure and no pump. Therefore the mist is determined by the water pressure, and its flow rate. Normally in the USA, house water pressure ranges between 35 psi and 90 psi. You can expect a drop in temperature of 25 degrees F. 2. Medium Pressure Medium pressure misting is 100 - 250 psi. It requires a pump to achieve this and you can expect a little better temperature drop of 30 degrees F. 3. High Pressure High Pressure misting actually generates fog, which is the finest and ideal mist. However, because it takes high pressure pumps, stainless steel tubing and metal fittings to handle the high pressure it is way too costly. This level is 800 - 1200 psi with an even better 35 degree F drop in temp. A patio mister system can be installed along the perimeter of your porch or covered lanai. The three main factors to consider are: 1. The size of the nozzle opening Water comes out of a the nozzles which have a very tiny opening - actually smaller than the diameter of the human hair. 2. The Water Pressure Higher pressure forces more water out of the misters and produces the finest mist which is the most efficient. A finer mist evaporates quicker and cools down the temperature more efficiently. 3. The Number of Misters The more misters you have, the more water you use.
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