Season 40 - The Jamestown Net-Zero House Episodes

Relive 40 years of This Old House with our anniversary special, featuring archival footage and brand new interviews!

Today is the day the net-zero house gets turned over to the Powers family. Kevin and Tommy pick up builder Jeff at the Idea House and drive to Jamestown for the big reveal

Richard demonstrates how an energy recovery ventilator works, using red and blue smoke to illustrate the flow of indoor air and outdoor air through the core of the machine.

In just a few short weeks the grass will go in, and luckily Roger has a good solution. Roger joins Jenn and Kevin at a nearby sod farm where hundreds of acres of environmentally-friendly grass is grown.

The latest episode in the 40th-anniversary season of TOH starts airing in some markets tonight. Have you seen last week's episode? Catch up, on demand

Kevin opens the episode in Providence, RI to meet the homeowners at their architecture office.

Richard watches as the home is sealed against air leaks. Jeff reviews his pre-drywall checklist. Jeff fabricates pieces for porch columns and rails. Tom puts on shingles as the final layer of the exterior wall system.

Coming up: Load center installation, correct cedar shingling, basement insulation, plan framing, beam barn raising

Roof insulation is next step at the net zero house. Richard tours the basement of The Breakers in Newport. Kevin meets Congressman Norcross at the house, who is also an electrician. Apprentices install and flash windows.

Insulation is crucial to a net zero house. Jeff and the apprentices start the work. Dana shops for efficient yet decorative lighting. Tom and Jeff work with the apprentices to build false rafter tails and then install them.

New apprentices join the team in Rhode Island as the roof goes up. The house gets sheathed. It’s the finish line at Judith’s house in Charleston. Kevin and Tom take the grand tour.

Framing net zero. Heat loss and gain to design a balanced HVAC system. A visit the International Builders Show. Old wiring and plumbing exposed.

Shingle removal. A visit to a manufacturer of precast concrete walls. Kevin gets a tour of historic Jamestown. Foundation wall panels arrive and are placed

Tom and Kevin cross the bridge from Newport, RI to Jamestown where they tour the next project—a 1920’s bungalow which will become a larger net zero house. They meet the family and builder.