HVAC

This home uses five systems to reduce its environmental impact, lower its operating cost, and improve its connection to the land by James Tuer

by Charles Peterson

Micro-cogenerators, or combined heat and power (CHP) systems, are both environmentally friendly and a money saver by Lynn Underwood

by Bruce Harley

Tight houses are energy efficient, but good ventilation is essential to make them healthful and comfortable by 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 house by Clifford A. Popejoy

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

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

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

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

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

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

by Peter L. Pfeiffer

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