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Concentration of CO2 in the Atmosphere

New Record Levels of Carbon Dioxide

CO2 levels increased during the El Niño period (2015-2016) due the droughts causing less vegetation available to take CO2 out of the atmosphere. Photo: Pixabay.

By George Harvey

According to the World Meteorological Organization (WMO), the levels of carbon dioxide (CO2) in the atmosphere set a historic record in 2016. The same […]

Tesla Keeps On Truckin’

Tesla Roadster 2.0. Tesla image.

By George Harvey

Readers of Green Energy Times will probably recall an article that appeared on the front page of the October issue, “New Tesla Semi-Truck” (http://bit.ly/GET-Tesla-semi). We had expected to go to press with an article on the new Tesla truck, which was scheduled to be […]

Dartmouth-Hitchcock Medical Center is a Winner

A 134-kW rooftop solar array was inaugurated in November 2017 at the DHMC’s Heater Road facility. The 378 solar panels will offset 10% of the electrical demand of the Heater Road DHMC building. Photo courtesy of Norwich Solar Technologies.

By Thaddeus Rumple

Dartmouth-Hitchcock Medical Center (DHMC) in Lebanon, New Hampshire, has been […]

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 […]