How can I meet my hot water needs with a tankless water heater?

— Bob, Anaheim, Calif.

Answered by Mick Dalrymple on May 29, 2008

Can solar work on a northeast-facing house?

— Valerie, Zionsville, Pa.

Answered by Mick Dalrymple on May 22, 2008

What can I do about carpet sensitivities?

— Andrea

Answered by Mick Dalrymple on April 3, 2008