Frequently Asked Questions

This page contains answers to commonly-asked questions about our Misting Systems. If these FAQs still don't answer your questions, please send to us your request via email.

General Questions

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How much can a misting system cool down an area?


	The cooling efficiency of a misting system is depending on the temperature, relative humidity and atmospheric pressure. Here you can calculate the evaporative cooling for your area: Calculator

Which system is the best choice for me?


	Low-Pressure Misting Systems The systems operate between 40 and 100 psi of water pressure. The variance in pressure is because they operate on your household water pressure and not a pump. Normally built with PVC or poly plastic tubing and are connected to a water hose. Typically found on outdoor patios and the misting will get you wet but cool if you are standing nearby. Mid-Pressure Misting Systems The systems operates between 100 and 250 psi of water pressure. A Mid-Pressure Pump is utilized to increase the pressure of the water flow. It is perfectly suited for backyard and patio misting. High Pressure Misting Systems The systems operate between 800 and 1200 psi (pounds per square inch) of water pressure. The systems will work very effectively in both low and high levels of humidity. Even when the humidity exceeds 90%, the effects of the system will be felt with the rapid drop in temperature and make you feel cool and more comfortable. High Pressure Systems create the most BTU's, because the systems produce smaller MIST and creating more cooling evaporation. As the micron water droplets flash evaporate they pick up heat from the air, which significantly drops the temperature between 25 and 35 degrees Fahrenheit, without making you wet.

Can you help me with my project?


	Yes, of course. Let us help you design the right misting system for you. Send a email to us with a description, drawings, pictures of the area to be cooled and we'll design a system that's right for you.

I live in a humid climate. Will a system work for me?


	Yes. The evaporative cooling concept will work any time you are able to achieve evaporation(See "How does it work?"). The more complete the evaporation, the more effective the system will work. For areas with humidity above 80%, temperature reductions will be as high as 10 degrees. For humidity levels between 40% and 80%, temperature reductions will be as high as 20 degrees. Below 40% humidity, the temperature reductions may be as much as 35 degrees.

Does cool water absorb more heat than hot water?


	Water temperature does not have a great effect upon the cooling produced through evaporation. At 90º F (32º C) it takes 9,000 BTUs (2.268 kilocalories) to evaporate a gallon of 50° F (10º C) water and 8,700 BTU (2.192 kilocalories) to evaporate a gallon of 90º F. water. In this example, the water is 180% warmer and results in only a 3% reduction in the amount of heat absorbed.

Will the misting system cause me to get wet?


	You will only get wet if you are standing within 6' of the misting nozzle.

Technical Questions

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What should I do if misting nozzles plug up?


	Cleaning Nozzles - Replace or clear obstructed or clogged nozzles. Nozzles may be cleared by scraping the stainless steel end with flat surface of a knife or screwdriver. To remove nozzle, turn in counter-clockwise direction. Nozzles may be routinely cleaned by soaking in solution of LIME AWAY or CLR overnight. Rinse thoroughly after soaking. Replace nozzle by turning in clockwise direction until snug.

Where do I place my patio mist line system?


	Place mist line around the perimeter of the area to be cooled. This forms a mist curtain, a cooling barrier between the protected area and the outside heat. The mist line should be mounted 8' to 10' above the ground.

How much water does a misting system actually use?


	This will vary depending on the size of the system and the number of nozzles to be used. You can download the Nozzle Pump Performance for more information.

Do I need a filter for my system?


	Our high pressure systems are with filters. For our low and med pressure systems you can use our Poly-Phosphate Filters. The unique Filters actually accomplishes two things. First, it will filter out any sediment from the water supply thereby preventing it from getting into the mist line and plugging the nozzles. Second, the filter contains phosphate crystals which are designed to surround the hard water deposits (calcium, sodium, and magnesium) and prevent them from adhering to the misting nozzle. This will also help eliminate the hard water buildup and will keep the mist system operating at peak performance for a longer period of time.

Is there any maintenance required?


	The only maintenance required for a properly designed misting system is a periodic cleaning of the nozzles and an annual check-up for the pump. This check-up may include adding or changing of the oil and tightening or replacing of fan belts (only on the pulley driven pump models), and changing of the filter cartridge. Misting Fan Systems require very little maintenance. We do recommend some preventative care and cleaning for the nozzles.

How many nozzle can I use with the COOLLINE product line.


	You will only get wet if you are standing within 6' of the misting nozzle.

How many nozzle can I use with the M&C product line.

MIST&COOL Outdoor Cooling Systems employ evaporative cooling to effectively cool and condition the environment. Using our proprietary misting nozzles, an ultra fine mist is introduced into the environment which interacts with the air to cool, clean, humidify and to repel flying insects.

Maximum number of nozzles that can be used
at different water pressures:

3/8" Do-It-Yourself System
Water Pressure	Max. # of Nozzles
30 psi	6
40 psi	18
50 psi	30
70 psi	46
90 psi	62
100 psi	62
120 psi	106

This system is designed for optional installation flexibility and maximum number of nozzles at pressures up to 125 psi. Besides normal patio applications, this system works exceptionally well in greenhouse applications. *Normal house pressures range between 35 psi and 90 psi.

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