The water evaporates and cools the surface.
House roof cooling system.
At its lowest tech a roof misting system can be little more than a garden hose set to the mist setting and aimed across the roof.
Makes a big difference.
Now making a comeback in naturally cooled homes these vents use air motion at the roof level to pull air out of the house.
Also called an evaporative cooling system a roof misting system lowers surface temperatures by spraying an extremely small amount of water across the roof allowing the water to cool the roof as it evaporates.
The champion cooler down draft evaporative cooler motor the champion cooler down draft evaporative cooler motor not included features a 1 piece bottom pan that resists corrosion by helping to eliminate the need for seams spot welding and sealing materials.
Prepare your home and property for bush fires in a bush fire many houses are destroyed through ember attack when burning twigs and leaves carried by the wind land on or around the house.
Water use is high but i m on a well so i don t care.
Build your system carrier experts working with a dealer factory authorized dealers awards factory authorized parts energy experts rebates and financing heating and cooling basics repair or replace system types glossary energy efficiency indoor air quality energy guide label information open in new.
Using a whole house fan is a cost effective and efficient way to cool your home.
There are many types of roof systems available but the surface exposed to the sun is the one that determines if a roof is cool or not.
You can usually make a new or existing roof cool by selecting the appropriate surface.
These systems provide cooling by spraying water on the roof surface.
This system uses water to cool off the house and for every gallon that evaporates over 8000 btu of heat are sucked away the system perc lowers ac electrical costs even by half and extends roof tile life span.
One study indicates that water use is around 100 gallons per day per 1000 sqft of roof area.
Whole system costs less than 100 00.
They are simple and appear to be effective but would not be a good choice in areas where water is in short supply.
You can even create a water catchment system so that the runoff water waters your garden etc.
Here is a some information on two roof sprinkler systems.
While they act somewhat like a fan they are entirely run by the breeze.
Ember s guard roof sprinkler systems are a temporary fire suppression system they are not designed to put out a fire but help prevent ignition.
Coatings are like very thick paints that can protect the roof surface from ultra violet uv light and chemical damage and some offer water protection and restorative features.
A 1000 roof misting system might be more efficient at cooling the air above the roof and use less water but humidity is often high here in the caribbean so air cooling via evaporation may be hit and mist pun intended.