Additions

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

Ground-source heat pumps rely on buried water loops to heat and cool efficiently and economically by William J. Evangelist

Three case studies illustrate the importance of controlling humidity and air leakage by Marc Rosenbaum

To expel kitchen moisture and grease efficiently, select an appropriate exhaust system and make the duct run short and straight by Wendy Talarico

It can be done successfully if your floor isn't too hot, and the wood is put down dry on a dry slab and subfloor by Don Bollinger