Energy Star Releases Draft Storm Window Specification
Jul 24th, 2017

The U.S. Environmental Protection Agency (EPA) has released the first draft of Version 1.0 for an Energy Star specification for exterior and interior storm windows. The specification would apply to low-E storm windows, which first became commercially available in 2009. The EPA is basing the specification’s criteria on emissivity, solar transmittance (Tsol) and air leakage. […]