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Concentration of CO2 in the Atmosphere

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 […]

Can a Passive House be Beautiful, Functional, and Organic?

An Interview with Hank Keating

Stone Fruit Farm in Westport, MA.

By Barbara Whitchurch

Stone Fruit Farm, completed in 2016, is a complex of buildings in the small town of Westport, Massachusetts, built to the Passive House (PH) standard. It calls to mind the design of the classic New England connected […]

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 […]

The River House – Orford, New Hampshire

Beautiful, Efficient Home Earns Architecture Award

The River House. Exterior view shows solar photovoltaic system on the barn roof

By Barbara Whitchurch

The River House in Orford, NH captures the character of New England farmhouses and was sited to preserve as much farmland as possible, while providing views up and down the river. It’s […]

NHSaves–a Net Zero Home Competition

Drive to Net Zero Home Competition

NHSaves Drive to Net Zero competition seeks to identify, encourage and promote building contractors to build high efficiency, net zero energy homes. The Challenge will also demonstrate to the industry and homeowner that building a home that produces more energy on site than it consumes is affordable and […]

Net Zero Montpelier 2030 Design Competition

And the Winner of the $10k Prize is ‘Team Bridges’!

Dan Jones (left) and Deb Sachs present Team Bridgeswith a $10k check as the winners of the Net-Zero MP2030 competition. Courtesy images

Net Zero Vermont Inc. announced the winning design team for the Montpelier 2030 Design Competition $10K prize is “Team Bridges,” a collaboration […]

Myths and Magic Surrounding

The ‘Pre-Fab’ Boom

A pre-fab home under construction as a boom-truck lowers a section into position. Courtesy photos

By John Connell

Though currently the darling of residential design and construction media, “prefab” is much more than a passing fashion. Much more likely to pass is the notion that prefab necessarily implies cheap […]

Why Build to the Passive House Standard?

Whitchurch Passive House cottage. Courtesy photo

By Barbara and Gregory Whitchurch

Over the years, Green Energy Times has run quite a few articles about Passive House, so it’s likely you’ve seen the term. (Don’t confuse it with “passive solar,” which is just one aspect of Passive House). So what exactly is it, and why […]

Home of the Future in Woodstock, NY

Woodstock, NY Passive House in the fall. Photo courtesy of Daniel Levy, Ph.D

By Marie Caruso

A house recently built in Woodstock, NY, could be the vanguard of the future in zero-energy housing.

Daniel Levy, Ph.D., a former industrial education professor and certified Passive House consultant and builder, has constructed a two-story, 2350 square […]