Flanged Window at Jamb. Exterior Foam Sheathing (1 1/2 in.) and Furring Strips (Padded Opening); Wood Siding.

Flanged Window at Jamb. Exterior Foam Sheathing (1 1/2 in.) and Furring Strips; Wood Siding.

Window Performance 2 — the Magic of Low-e Coatings

Low-e coatings have revolutionized windows over the past 30 years

How Much Insulation Is Enough?

Recommended residential insulation levels by climate zone

New Green Building Products — February 2012

Photovoltaic shingles, three new insulation products, high-performance windows and skylights, and HVAC register covers for duct tightness tests

Should Historic Preservation Trump Energy Performance?

What to do when the interests of energy efficiency and historical preservation collide

A New Way to Generate Solar Electricity

And other new ways to make and save energy — a roundup of research

New Green Building Products — September 2011

High-performance windows, doors, and tapes for your next superinsulated home

New Green Building Products — March 2011

An HRV, a bath exhaust fan, a pressure-balancing grille, a sneaky video camera, and several new Passivhaus windows

Are High-Performance Windows Worth Their High Cost?

Simple payback may not be enough to justify the investment in triple-glazed windows, even in a cold climate