Overview: In the Ask This Old House loft, Roger and garden tool expert Paul Schneider discuss different types of hand pruners. Tom helps two homeowners repair and reinstall their broken shutters. Back in the loft, Steve, Tom, Roger and Richard examine two unfamiliar objects and try to guess how they're used. Richard shows Steve several models of instantaneous water heaters, then visit a local homeowner to examine his tankless hot water system. More Info & Resources