Ask This Old House (2002)

S8E2 Home Intercom System; Energy-Efficient Fireplace

Kevin O'Connor collaborates with an electrician to set up a home intercom system. Following that, Kevin joins plumbing and heating specialist Richard Trethewey, landscaping expert Roger Cook, and general contractor Tom Silva to explore the question, "What is it?" Later, Richard assists a homeowner in enhancing a wood-burning fireplace to be more environmentally friendly and efficient by adding a gas-burning insert.