HVAC

The most-important door in your house might just be a blower door

LEED for Homes is a new, comprehensive national certification program for green, energy-efficient homes. Builders who’ve tried it like it, but will it change the way houses are built?by Sean Groom

by Daniel S. Morrison

Do lower water-heating temperatures mean lower energy bills and safer delivery?by Dave Yates

by Bruce Harley

Tight houses are energy efficient, but good ventilation is essential to make them healthful and comfortableby Max H. Sherman

With common-sense wiring and the right hardware, you can replace an existing light fixture with a breeze in almost any room in the houseby Clifford A. Popejoy

Architect Berry Langford explains how an evaporative cooling unit cools a house by adding humidityby Berry Langford

Easy to install, these programmable gizmos can save money and keep you comfortableby Sean Groom

Radiant-panel systems a carpenter can install are perfect under a wood floorby Rick Arnold

Powerful, quiet exhaust fans and their smart switches have made it easy to avoid mold, mildew, and stale air in the bathby Scott Gibson

Whether it's new or a replacement, a properly sized and installed system affords greater savings and comfortby Chris Green

Top 10 blunders that rot your house, waste your money, and make you sickby Joseph Lstiburek

by Peter L. Pfeiffer

by Mark Eatherton

Careful planning and precise layout keep the smoke out of your eyesby David Getts

by William B. Rose

by Anthony Zaya

There are lots of options for taking the chill off. Which one fits your house?by David Ericson