The photovoltaic-integrated roofs match common shingle or tile styles

The new standards are expected to increasing efficiency by about 10 percent on average and save 500 million kilowatt-hours annually.

Among the hundreds of building products introduced by manufacturers during the past 12 months and featured on the pages of Professional Builder, the readers selected these standouts as the 101 Best New Products.

Three recent studies that address the advantages of energy efficiency on home ownership could have a significant impact on the way buyers finance home purchases.