Quick Answer: How Do I Keep My Roof Cool?

What is a cool roof system?

A cool roof is one that has been designed to reflect more sunlight and absorb less heat than a standard roof.

Standard or dark roofs can reach temperatures of 150°F or more in the summer sun.

A cool roof under the same conditions could stay more than 50°F cooler and save energy and money by using less air conditioning..

How much is a cool roof?

According to the Environmental Protection Agency, the price of a cool roof coating can range from $0.75 to $3.00 per square foot. For a home with a typical 1,500 square foot roof, installation costs can add up to between $1,600 and upwards of $6,500.

How do I keep my house cool in extreme heat?

Here are 10 Consumer Report-approved tips:Keep your blinds closed. … Invest in blackout curtains. … Be smart about your doors. … Hack a fan instead of turning on the air-conditioning. … Set your ceiling fans to rotate counter-clockwise. … Focus on the temperature in your body, not the house. … Sleep low. … Let the night air in.More items…•

What color roof is most energy efficient?

The industry has long held the assumption that white roofing, because of how it reacts with surrounding air temperatures–think about the idea that the color white reflects color rays, while black absorbs them–is more energy efficient than black roofing.

How can I keep my roof cool in the summer?

How to Beat the Summer Heat by Keeping the Roof CoolGrow a roof garden. One of the best ways to keep the roof cool is by growing your own rooftop garden with green grass and potted plants. … Paint the terrace white. Heat gain can be considerably reduced by turning the roof into a reflective roof surface. … Add shade. … Go for heat-resistant flooring. … Install solar panels.

How do I cool my roof?

How to Reduce Heat from Roof TopApply reflective roof coatings. … Plant trees, vines, and shrubs around your building. … Install roof ventilation. … Invest in a roof restoration service. … Consider roof mist cooling systems. … Insulate your roof with spray foam.

What is the coolest roof material?

Cool It: The 5 Best Roofing Materials for Hot ClimatesTerra-Cotta Tiles and Ceramic Roofs. … Concrete Tiles and Slab Roofs. … EPDM Roofing Membranes. … Green or “Living” Roofs.

What roof is best for hot climate?

Better options for homeowners in warm climates are metal, slate, clay, or rubber shingles.Begin Your Roof Replacement.Metal roofs excel under extreme temperatures. … Slate roofing is made of stone, it is impervious to weather, sun, heat, and cold.More items…

What color roof is the coolest?

Since dark surfaces are better heat absorbers, traditional cool roofs are white. Berkeley Lab research has demonstrated that raising the solar reflectance of a roof from about 20 percent (dark gray) to about 55 percent (weathered white) can reduce cooling energy use by 20 percent.

How cool should my house be if it’s 100 outside?

They recommend that when it’s 90 degrees outside, you should try setting your air conditioning thermostat at 80 degrees or higher. And when it’s 95 to 100 degrees outside (and higher), you should set your thermostat at 85 degrees or higher.

Does a new roof keep your house cooler?

In fact, Energy Star shingles can lower the surface temperature of your roof by up to 100 degrees – that’s a huge difference! Cooler roofs are able to naturally keep your home cool so you don’t have to rely as much on an air conditioner.

Does spraying your roof with water cool your house?

Yes, water on the roof will help cool it. Cooling with liquid water running off from a sprinkler is not efficient, but evaporative cooling from a small amount of water (like a periodic sprinkle) is very efficient. 1 gallon of water consumes 8000 BTU as it evaporates.

What type of roof is best for hot climate?

The Best Roof Material for a Hot ClimateLighter Colors. … Terra-Cotta Tiles. … EPDM. … Metal Roofs. … Green Roofs.

How can I cool my room down without AC?

How to stay cool without air conditioning this summerTake a cold shower or bath. … Use cold washrags on your neck or wrists.Use box fans. … Close your curtains or blinds. … Sleep in breathable linens. … Sleep in the basement. … Don’t refrigerate or freeze blankets or clothing. … Close the doors of unused rooms.More items…•

Does a dark roof make your house hotter?

Black and dark-colored roofs. In general, dark-colored roofing materials will absorb the heat and cause your attic and/or the top of your house to be warmer than a lighter colored material.