Is there a green, easy way to remove a cottage cheese ceiling?

— Meredith Fair Oaks, CA

Answered by Sean Lintow Sr on June 18, 2013

Is there a green way to remove paint from bricks?

— Alan mackey Venice, FL

Answered by Harold Remlinger, AIA, LEED AP, NCARB on June 10, 2013

Are there any good electric tankless water heaters?

— Charlene Kirkland, WA

Answered by David Willson on June 3, 2013