Metal Roof Energy Savings

The secret to metal roofing s energy savings is in its variety of finishes.

Metal roof energy savings.

Additional cool roof costs include specialized materials and labor. You may be able to take these credits if you made energy saving improvements to your principal residence during the taxable year. Cool painted metal roofs retain 95 of their initial reflectance and emittance over time equaling longer lifespan over conventional roofing systems. The answer has to do partially with how the roof is installed.

A typical metal roof can last for as many as 50 years which is up to three times longer than any typical asphalt shingle roof. A metal roof acts as a faraday cage and in case of a lightning strike would safely dissipate the electric charge. With metal roofing lightning is never an issue. David martin is troubled by some of the advertising claims he s seen about metal roofing specifically a statement from the metal roofing alliancethat a cool metal roof can save 25 in energy costs compared to a dark grey asphalt shingle.

If your roof meets energy star standards your roof will reflect more of the sun and reduce surface temperatures by up to 100 f. You can claim back 10 of the cost up to a maximum of 500. For homes in warmer climates pre painted or granular coated metal roofing systems reflect solar energy and cool your home by re emitting most of what solar radiation is absorbed. A shingle roof also weakens and curls over time making it less of a full proof barrier for the effects of rain wind and other environmental forces and necessitating roof maintenance and earlier replacement.

Why do metal roofs save energy. In 2018 and 2019 the residential energy property credit is limited to an overall lifetime credit limit of 500 200 lifetime limit for windows. A study funded by the u s. Since more heat is reflected energy bills are lowered.

Metal roofing utilizing cool colors are known to have energy savings ranging from 7 15 of overall cooling costs. The lightning always strikes the tallest object peak regardless of the material. Asphalt and metal roofs. Metal roofs on the other hand reflect the sun s heat away from a building leading to energy savings of about 50 percent and they can be about 100 degrees cooler on the surface than traditional asphalt roofs source.

The basic unpainted metal roof will reflect more solar radiation than an asphalt roof which absorbs and holds heat. Cool roofs can save money several ways including energy savings rebates and incentives hvac equipment downsizing and extended roof lifetime. Metal roofs with pigmented coatings and asphalt roofs with cooling granules will qualify for this. Department of energy and conducted by the oak ridge national laboratory shows why metal roofs promote energy conservation in the home.

The energy savings of a metal roof multiply over the years thanks to the longevity of this type of roofing. A metal roof does not increase the chances of a lightning striking a house though.