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Concentration of CO2 in the Atmosphere

Choosing Insulation for Carbon Value

Why More is Not Always Better: Part 2

Mineral wool board insulation, blown in mineral wool, and mineral wool batt insulation. Courtesy photos

Catherine Paplin

In Part 1 (see issue #60 of Green Energy Times), we discussed XPS (extruded polystyrene) board and closed-cell polyurethane spray foam insulation, which are produced with blowing agents (HFC, […]

The FY21 Building Communities Grants

FY21 Building Communities Grants Announced

The FY21 Building Communities Grants through the Department of Building and General Services (BGS) is now available for applications. The Building Communities Grant Program consists of the Recreational Facilities Grant Program, the Regional Economic Development Grant Program, and the Human Services and Educational Facilities Grant Programs. These grants are intended […]

Many Benefits: Invest in Low-income Solar

Solar energy has chronically had trouble getting access to the investment side of low income housing development. The concept of tax credit finance for low income housing is that low income folks need housing, spend money on rent, benefit the community when they have stable housing, but struggle to make long term investments individually and […]

Free Webinar on Wednesday: Five Ways Construction is Changing

Builders are facing strong demand but saddled with a massive shortage of skilled labor. In this webinar, Editor-In-Chief Matt Power explores how these conditions has made them more than usually open to new products and systems, from envelopes to “disruptive” insulating techniques. He’ll talk about new methods of wrapping and sealing buildings, new electronic systems […]

September Webinar: Back by Popular Demand – The Best of the 2018 Better Buildings Summit



TUESDAY, SEPTEMBER 18, 2018 3:00 – 4:00 PM ET

This webinar features a few of the top-rated presentations from last month’s Summit, a rare chance to catch some of the talks you might have […]

Building America Solution Center Celebrates Fifth Anniversary

Five Years and a Million Stronger

Five years ago, Building America launched an interactive resource for high-performance home construction. Today, the Building Technologies Office’s Building America Solution Center continues to skyrocket in popularity, growing from about 77,000 users in 2013 to more than 298,000 users in 2017. That’s an increase of 287%! In […]

High Performance Faculty Housing for Dartmouth

Four faculty houses built by Unity Homes will set a new standard.

Webster Street home for Dartmouth faculty nearing completion. Courtesy photos.

By George Harvey

Unity Homes is building four faculty homes at Dartmouth College to an energy standard requiring very high efficiency. Each will house one faculty member’s household, but the […]

Steps to Net Zero

Stow MA home built by Transformations, Inc. in 2010. Courtesy photo

By Thaddeus Rumple

A net-zero energy building produces as much power as it uses. There are a number of ways to do this. One example is a home built to Passive House standards, where costs quickly outweigh the added expense for […]

Opportunity for a Vermont Nonprofit in Need of a Small-Scale Building

Waitsfield, Vermont, January 18, 2016— Are you part of, or do you know of, a Vermont nonprofit or community organization in need of a small, year-round, sustainably-built and -operable, permanent or portable structure? Yestermorrow Design/Build School in Waitsfield seeks a client-partner for its fall 2016 Semester in Sustainable Design/Build program and offers […]

NESEA Speakers at BuildingEnergy 15: Nadav Malin

Reinventing the Water Grid Part I: Science, Behavior & Dollars

Thursday, March 05, 2015 10:30 am to 12:00 pm Multi-Sector

This session is in two parts.Water is scarcer. Systems for both fresh and waste water are vulnerable. Water standards are increasingly stringent to protect ecosystems and public health. Since water and energy are so […]