White Metal Roof Energy Savings

Switching to a white roof can actually reduce energy use by about 20 percent in hot sunny weather according to the lawrence berkeley national laboratory heat island.

White metal roof energy savings.

The secret to metal roofing s energy savings is in its variety of finishes. Why do metal roofs save energy. The benefits of a white roof. As the demand for energy saving building materials increases metal roofs are installed more often.

Additional coatings and pigments can also increase the thermal emissivity of a white roof further increasing the energy savings. Ladwp s rebates for cool roofs have been offered since 2010 and have helped pay for about 700 000 square feet of residential cool roof materials used for both single family and multi family buildings. Major roof costs include upfront installation materials and labor and ongoing maintenance repair recoating and cleaning. Clay tile and concrete roofs can cost more to install but they can save you money in the long run because they tend to be more energy efficient than other materials in all climates.

Such a roof can be reasonably expected to be some 50 to 60 degrees cooler than a dark color asphalt shingles roof. A roof design with white metal panels and the appropriate ventilation plus photovoltaic cells can not only save energy costs but produce energy as well. Since more heat is reflected energy bills are lowered. Additional cool roof costs include specialized materials and labor.

When choosing a roofing material you have many options including asphalt metal wood concrete and tile. The rebates are designed to offset the cost of building a cool roof compared to a conventional roof jacot said. David martin is troubled by some of the advertising claims he s seen about metal roofing specifically a statement from the metal roofing alliance that a cool metal roof can save 25 in energy costs compared to a dark grey asphalt shingle. Cool roofs can save money several ways including energy savings rebates and incentives hvac equipment downsizing and extended roof lifetime.

Metal roofing utilizing cool colors are known to have energy savings ranging from 7 15 of overall cooling costs. Avoid unpainted metal and aluminum roofs which aren t particularly good at releasing energy. Cool painted metal roofs retain 95 of their initial reflectance and emittance over time equaling longer lifespan over conventional roofing systems. Lighter color roofs reflect sun s heat much better than darker colors.

Energy savings good for the environment and your wallet metal is one of the most energy efficient roofing materials available and can save your home up to 40 in energy costs and provide excellent insulation during the winter. A study funded by the u s. Department of energy and conducted by the oak ridge national laboratory shows why metal roofs promote energy conservation in the home.