This week, the Residential Energy Services Network (RESNET) highlighted the top 10 states for Home Energy Ratings-scored (HERS) homes in 2021. Twenty-two percent of new construction homes are rated each year, and in 2021, HERS-rated homes totaled more than 313,000. This represents a four percent increase over the number of ratings in 2020 and...

Blown-in fiberglass (or loose fill) insulation is increasingly popular in new residential construction and in renovations, accounting for 19 percent of current insulation market share and growing[1]. More stringent energy codes, the ease of installation, as well as the safety and health profile of the product over other insulation types have all...

The Biden Administration on Wednesday announced a national initiative to advance building codes. The effort is designed to help state, local, Tribal, and territorial governments adopt the latest, current building codes and standards. Doing so, it says, will boost resilience to hurricanes, flooding, wildfires, and other extreme weather events,...

The U.S. Environmental Protection Agency recently finalized the requirements for the latest version of its long-running ENERGY STAR Single Family New Home program. The National Version 3.2 puts the thermal envelope requirements of the 2021 International Energy Conservation code front and center. The new version now stipulates mandatory envelope...

Clayton Homes (a Berkshire Hathaway Company) last month unveiled its first Net Zero home to the public. The company, one of the largest national builders of off-site and site-built homes, paired several energy efficiency upgrades and a solar roofing system to deliver the CrossMod model home it says is both sustainable and attainable. 

Fiberglass duct liners and duct board have been incorrectly blamed for contributing to mold growth in high humidity and high temperature conditions. The fact is that fiberglass is inherently resistant to mold growth. Stringent testing in accordance with UL and ASTM standards confirms that fiberglass duct liners and duct board do not support mold...

U.S. and global policymakers are increasingly focused on decarbonization efforts to address climate change. In response, trade associations representing the major U.S. insulation industry organizations recently released a statement of policy principles on building decarbonization. The principles advocate maximizing energy efficiency in buildings...

The National Association of Realtors® has just released the results of an annual survey of its members on green home features. The 2022 Realtors and Sustainability Report shows that half of realtors have helped clients buy or sell a home with green feature – a sharp increase from the 32 percent of the previous year. Additionally, 63 percent stated...

“We need to think about insulation, or to start thinking about it in the first place,” says a Vox news story this week. As part of a series that addresses our warming world, Vox writer Neel Dhanesha calls insulation the climate solution hiding in our walls. There’s no time like today -- Earth Day -- to talk about insulation’s important role as a...

NAIMA recently released a new version of its popular 3E Plus software, which allows users to calculate the appropriate thickness necessary for any application of pipe or mechanical insulation.