Get Email Updates!

Concentration of CO2 in the Atmosphere

Clean Energy Champion of the Year

Clean Tech Business of the Year Awardees Recognized at Annual Member Holiday Dinner

Clean Energy Champion Award Winner, Tony Giunta (middle), poses with Clean Energy NH Staff (from left to right): Henry Herndon, Executive Director Madeleine Mineau, Brianna Brand, and Michael Behrmann. Photo credit: Clean Energy NH.

Clean Energy NH, the Granite State’s leading […]

Lewis Creek Cottage: Net-Zero Energy with a View

All images courtesy Ryan Bent Photography

Barbara Whitchurch

The Lewis Creek Cottage is a net-zero-energy home designed by Rolf Kielman (AIA, Leed AP) for TruexCullins Architecture + Interior Design. It was designed for his daughter, her husband and their new baby boy. Kielman told me that the family was fully on board with net […]

Community Campaigns for Renewable Heating and Cooling

HeatSmart Northampton, MA

The city of Northampton, MA worked with the organization ener-G-save to gather thermal imaging on 100,000 area homes, revealing which homes were the best candidates for energy-efficiency improvements. Courtesy photo.

Georgena Terry, CESA Research Associate

Note: This is the second in a series on community-based strategies for increasing the adoption of […]

Interview: Efficiency Vermont’s Efficiency Excellence Network Program Manager

Allison Fode, Efficiency Vermont

Green Energy Times Staff

Efficiency Vermont has a program that anyone looking for serious work on a building should know about. It is the Efficiency Exellence Network (EEN) program. Professionals associated with it are required to keep updated on the latest technology in their fields. Its […]

Cold Weather Reminders

Family game time in a safe, warm home. Wikimedia Commons

Michael Canavan

‘Tis the time of year to get ready for the colder weather, and what better way than to inspect the areas of your home that allow cold air and drafts to enter. As a home inspector, I look at the conditions of […]

Do-It-Yourself Energy Up grades: Windows

Dave Keefe

We expect our windows to be easy to open and close, to let the sun in, and to be invisible. But they also need to keep out the wind and cold.

Pully seals, side-mount sash lock

If you have older windows, you’ve probably thought about replacing them. It can lower your heating […]

My Zero Energy Retrofit Beats My 401(k)

A DIYer Project

Our new wood-framed triple-glazed windows have almost eight times the insulation of the old single-glazed ones and have transformed the look and feel of our living room. Courtesy photo.

David Green

I own a 5,400 square foot home built in the 1970s. I did a deep-energy retrofit and successfully achieved my […]

New England Sustainable Energy Association (NESEA) Pro Tour Burlington, VT

A Vermod Zero- Energy Modular (ZEM) small, traveling model home. It is all-electric with a super-insulated air-tight envelope, battery storage, and environmentally preferable and healthy finishes. Photo: Barb and Greg Whitchurch.

Barbara Whitchurch

NESEA Pro Tour – it sounds like a golf tournament, but it’s actually an ongoing series of tours of residential and […]

For Sale: 60-Watt Equivalent Halogen-Incandescent Lightbulbs – $82


Mark Koprowski

While shopping at a local retail store, I noticed that incandescent light bulbs were still for sale, and I watched customers picking them up to compare their purchase cost to that of LED bulbs. I wondered if they understood that the LED bulbs might cost a few cents more to […]

LED It Shine

LED bulb with Edison base. Photo: Artoria2e5, Wikimedia Commons.

George Harvey

Green Energy Times has had a number of articles on light emitting diodes (LEDs). LEDs can be used for lighting in homes and businesses, for street lights, for flashlights, for vehicle headlights, and more; and in every instance we […]