Insulation Institute Blog

DOE Updates ZERH Specs, Provides 45L Details

The U.S. Department of Energy (DOE) last month released the latest version of the Zero Energy Ready Home (ZERH) requirements for single-family homes. Version 2 of the ZERH requirements included an update of the thermal envelope insulation levels to those required by the 2021 Residential IECC, whereas the previous version (V1 Rev 8) stipulated 2015...

Details
Jan 13, 2023 9:09:15 AM Stacy Fitzgerald-Redd

Ekotrope Spots $160M Missed Opportunity for Builders

A new analysis from Ekotrope, the leading provider of home energy rating software, shows U.S. home builders might leave money on the table. Ekotrope software is used to generate energy efficiency insights for one in four U.S. homes. Its analysis concludes that if the homes built this year were slightly more energy efficient, builders could claim...

Details
Oct 28, 2022 9:58:35 AM Stacy Fitzgerald-Redd

Rule Your Attic Kicks Off Next Week

The U.S. Environmental Protection Agency’s (EPA) ENERGY STAR annual “Rule Your Attic” campaign kicks off on Monday, October 17. The annual campaign encourages homeowners to go into their attic, check their insulation levels, and air seal and insulate if needed. Most homes will need to add insulation as 9 out of 10 U.S. homes are under-insulated.

Details
Oct 14, 2022 8:04:49 AM Stacy Fitzgerald-Redd

NC Builder Scores Fifth Innovation Award

Home Builder Shawn Jessup, owner of S. D. Jessup Construction, Inc., is now a five-time winner of a DOE Housing Innovation Award, recognizing forward-thinking builders constructing energy-efficient homes on the path to Net Zero. Having accomplished this feat first in 2017 and for the past four consecutive years, that puts him in rare company.

Details
Sep 23, 2022 7:54:53 AM Stacy Fitzgerald-Redd

New Study Details Enormous Insulation Retrofit Benefits

A newly released study by ICF, an international consulting firm with expertise in the energy and energy efficiency sectors, shows that upgrading building envelope insulation and air sealing leads to substantial energy savings and carbon emission reductions.

Details
Sep 19, 2022 8:59:16 AM Stacy Fitzgerald-Redd

6 Fixes for an Energy Star Home Upgrade

This past Spring, the U.S. Environmental Protection Agency’s ENERGY STAR Program launched a new initiative, the ENERGY STAR Home Upgrade, targeting six high-impact energy efficiency improvements for existing homes to cut energy use and cost. These fixes will also improve home comfort and lead to a cleaner, healthier home.

Details
Aug 5, 2022 9:03:21 AM Stacy Fitzgerald-Redd

NAIMA Releases New 3E Plus Software

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.

Details
Apr 14, 2022 4:57:55 PM Stacy Fitzgerald-Redd

Blown-in Insulation's Measures and Checks

Blown-in insulation installers know that measuring it in an attic is key to delivering the required thermal performance and receiving a Grade I install. That is typically accomplished by installing attic rulers throughout the space, so there is one for every 300 sq. feet of attic space. Accurate measures are needed to meet code requirements,...

Details
Aug 12, 2021 6:24:19 PM Stacy Fitzgerald-Redd

A Hot New Home and Missing Insulation

New homeowner Evelyn Cagnetti recently contacted NAIMA to share her frustration about her new Energy Star home, which she had built in February of last year. Shortly after moving in, Evelyn noticed that the upstairs was hot, stale, and stuffy during the winter months. Still, she didn't know why until she checked the second-floor ceiling and found...

Details
Jun 18, 2021 8:04:38 AM Stacy Fitzgerald-Redd

Trading Off Thermal Resistance is a Very, Very Bad Idea

If you’ve been following our blog for some time now, you know that we write regularly about basic building science. In fact, we completed a primer, Building Science 101 with Building Scientist Allison Bailes a few years back. Dr. Bailes, a Georgia resident, recently wrote the state’s Department of Community Affairs to object to a proposal that...

Details
May 13, 2021 4:23:42 PM Stacy Fitzgerald-Redd

ALREADY A SUBSCRIBER? TELL US WHAT YOU DO.

SUBSCRIBE TO OUR ENEWSLETTER