text:  He says the average temperature of the water coming out of the fountains is 75 degrees. This month, Phoenix has seen high temperatures of more than 115 degrees. The units themselves can become too hot to touch, and they've been experimenting with different coatings. One was a vinyl adhesive, the other was a paint, and we've tested that, and it has actually reduced the temperature on the surface of the unit, and we're looking to see if the whole thing was coated, would that help with the heat gain as well within the actual unit?