Blogs

Sub Title: 
Does Open-Cell Spray Foam Really Rot Roofs?
Teaser Text: 

Researchers from Oak Ridge National Lab have said open-cell spray foam is risky — but what did they miss?

Image: 
Photo of an attic with open-cell spray foam insulation

News

Sub Title: 
California Regulators Side With Solar
Teaser Text: 

The state's public utility commission clears the way for PV installers to hook up battery-backed systems, ending a 12-month impasse

Image: 
Photo of a rooftop PV installation in California

Blogs

Sub Title: 
My Earth Tube Story
Teaser Text: 

According to Malcolm Isaacs, buried ventilation ducts represent an absurdly simple and cheap source of limitless free energy

Promoted Node: 
Image: 
Photo of earth tubes before backfilling at Isaacs house

News

Sub Title: 
Oklahoma Approves Surcharge for Rooftop Solar
Teaser Text: 

State lawmakers pass a bill allowing extra charges to homeowners with PV systems, but the rate has not been determined

Image: 
Photo of a solar contractor installing a rooftop PV array

Q&A Spotlight

Sub Title: 
Building a Foolproof Low-Slope Roof
Teaser Text: 

A homeowner in the Pacific Northwest wants to detail the roof correctly, but it may already be too late

Image: 
Photo of a low-slope roof with a 1-inch ventilation gap

News

Sub Title: 
EPA Steps Up Enforcement of Lead Paint Rule
Teaser Text: 

The agency's latest effort targets New Haven, Connecticut, which has one of the highest rates of childhood lead exposure in New England

Image: 
Lead paint ad from 1912

Blogs

Sub Title: 
All About Radiant Floors
Teaser Text: 

Although in-floor hydronic tubing provides comfortable space heating, these systems are rarely appropriate for a well-designed house

Promoted Node: 
Image: 
Photo of a family on a heated floor

Video

Sub Title: 
This Year’s “Stump the Energy Nerd” Event
Teaser Text: 

At NESEA's BuildingEnergy 14 conference in Boston, Martin Holladay again faced a group of inquisitors armed with tough questions

Image: 
Photo of Martin Holladay at Stump the Energy Nerd 2014

Blogs

Sub Title: 
How Much Water Does it Take to Turn on a Light Bulb?
Teaser Text: 

Alex Wilson takes a look at the water intensity (or water footprint) of electricity generation

Image: 
Photo of the cooling towers at a nuclear power plant

Blogs

Sub Title: 
How to Detect an Internet Solar Energy Scam
Teaser Text: 

Allison Bailes reminds us: If it sounds too good to be true, it probably is

Image: 
Internet ad
Register for a free account and join the conversation


Get a free account and join the conversation!
Become a GBA PRO!

Syndicate content