Ask This Old House

Tom replaces sash balancers on an antique window; Roger and Kevin check out the benefits of a robotic lawnmower; Richard talks about treating water with lead.

Kevin visits Chicago to explore the dangers of home fires and ways to stay safe; Scott shows Kevin a battery-powered generator that can provide electricity; the guys look at a grey, rubber handle; Richard finds a rusted sink strainer in the kitchen.

Using store-bought stair treads to create a bookshelf; a new LED light with a built-in motion detector designed for use in a closet; using existing plants to transform the look of a home's foundation.

Roger helps plant a home orchard using apple and pear trees; Tom shows Kevin how to use a circular saw and how to find one that fits individual project needs; Richard installs a new tank water heater and discusses the new regulations on them.

Tom fixes a front porch by replacing a single deck board in a tight space; Richard receives an email about a shower that has been stained green; Scott brings more power to a bedroom and is able to conceal the wiring with crown moulding.

Richard learns about a way to heat and cool a house using a new room-by-room ventilation system; Tom explains the best ways to patch a small hole in the wall using several methods; a nonconductive electrical tool to make working with wires easier.