Low Volume Roof Cooling

Because the incremental cost of cool roofing is low it s a relatively inexpensive and sensible product to specify in those climates.

Low volume roof cooling.

A light colored or white roof of any material is also known as a cool roof for a reason it can significantly cool the roof s temperature by reflecting the sun s rays away from the house keeping the interior of the home cooler as well. Heat is now transferred out of the building through the roof. The egv5 power gable mount vent can move air at a rate of up to 1450 cu. Cool roofing can reduce energy use in some but not most u s.

Retrofit the roof with specialized heat reflective material. Up to 6 12 roof pitch use the standard formula as explained in this article. An evaporative roof cooling system is designed to reduce the temperature of a roof from 165 f to about 90 f. Here s a rule of thumb to follow.

This reduces summer energy bills and helps deter the heat island effect in cities. 7 12 to 10 12 roof pitches increase the amount of ventilation by 20 percent. They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling costs. Tesla s design for low profile solar roof tiles photograph.

If you want to convert an existing roof into a cool roof you have three basic options. Because it is designed to provide gentle water distribution over a large area it is a perfect means of keeping your landscape green and lush. Generally as the roof pitch increases the volume inside the attic also increases along with the amount of needed attic ventilation. This effect creates an effect equivalent of r 7 roof insulation during the day.

It makes the most sense for homes with low levels of insulation and for homes with ducts in the attic. This cooling reverses the heat flow through the roof. White roof aka cool roof pros. Although costs will vary greatly depending on location and local circumstances cool roof coatings on a low slope roof might cost 0 75 1 50 per square foot while single ply cool roof membrane costs vary from 1 50 3 00 per square foot.

One criticism of cool roofs is that the benefits of cooling in summer can be outweighed by an increased demand for heating in. They are typically easier to install and won t detract from the appearance of your roof. A rooftop sprinkler system is not just for fire protection.