Get Email Updates!

Concentration of CO2 in the Atmosphere

Do Low-flow Showerheads Save Water?

Low flow showerhead. Credit: en.wikibooks.org

by Bill Gauley and John Koeller

Did you know that, on average, people take 0.69 showers per day? Did you know that the average shower lasts 7.8 minutes? Did you know that showering uses a lot of water? Showering currently accounts for almost 20% of all indoor residential water […]

Sequestering Carbon in Buildings

Many locally-sourced wood and other fiber materials were used to build this high-performance home. Builder: New Frameworks. Photo credit: Studio SB Photography, 2016.

By Ace McArleton

“The built environment can switch from being a problem to being a solution.” Bruce King, The New Carbon Architecture (anticipated fall 2017).

Folks, let me introduce you to […]

Zero Energy Home Builders in New Hampshire

Demonstrate Mastery in Construction and Efficiency

A BrightBuilt Home in Meriden, NH. This zero energy home was built by RH Irving. This south-facing side features Logic windows and doors and a solar array installed by Norwich Solar Technologies;

by Chris Gillespie

If you live in or near New Hampshire and are thinking […]

Retrofits vs. Reductions

R-60 insulation for the standing seam roof. Photos: Janice and Steve Kurkoski

By Marc Rosenbaum

I’m excited because I’ve been putting together a new online course on Deep Energy Retrofits (DER). More so than the course I teach on Zero Net Energy Homes, it’s focused on the multiple approaches and techniques for taking […]

Halfmoon Construction Wins International Award:

Best in Show for Large Residential Project

Andy Ellis receives ICF Builder Award for Best in Show in the Large Residential division at the World of Concrete Trade Show in Las Vegas on January 19, 2017. Photo courtesy Peter Ellis.

By George Harvey

Insulating Concrete Forms (ICF) have been around for […]

Register Now for NYSERDA’s Efficiency Revolution Events!

Exciting news for innovative builders, developers, consultants and interested individuals in New York State! NYSERDA will be hosting educational and networking events throughout the state in the upcoming months. These Efficiency Revolution events will introduce you to new technologies, products and industry players leading the charge for high performance buildings. Highlights include:

Exhibitors […]

Good Windows Are Getting Better!

DOE ZERH’s Changing Window Specifications

ENERGY STAR-labeled products distinguish the top products in the marketplace. As residential windows have advanced and the high performance windows of several years ago are now the standard product, the ENERGY STAR window program has raised the bar on its qualification criteria. Because the DOE Zero Energy Ready […]

New Hampshire Sets New Energy Efficiency Goals

On August 2, 2016, an order from New Hampshire’s Public Utilities Commissioners approving an agreement for an Energy Efficiency Resource Standard (EERS) is a big step forward in smart energy policy and a victory for our residents and businesses. The approved settlement agreement, endorsed by all parties including the state’s utilities, agencies, businesses and […]

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 […]

The Golden Hours: The Impact of Peak Demands on Electric Rates

By Seth Wheeler, New Hampshire Electric Co-op

They’re out there. Each month we’ll hit one, usually on a weekday afternoon or early evening. They’re called Peak Demand hours, the few occasions when demand for electricity is at its highest. They happen in an instant but Peak Demand hours are increasingly affecting what you pay for […]