This Old House

The 40th season begins with a 1920s bungalow that will become a larger net-zero house.

Removing shingles that contain asbestos; precast concrete walls; placing foundation wall panels.

Framing the net-zero house; designing a balanced HVAC system; International Builders Show.

Insulation begins; decorative lighting; building and installing rafter tails.

Roof insulation; touring the basement; Rep. Donald Norcross visits; installing and flashing windows.

Installing a load center; putting up cedar roof shingles; adding insulation to the basement.

Sealing the home against air leaks; reviewing the pre-drywall checklist; landscape plan.

Reviewing design samples; heating pump; applying stone veneer; installing a wall-hung toilet tank.

Blueboard and drywall; sizing a solar array; installing a wood ceiling; installing a generator.

Sod farm; HVAC installation; gas fireplace; attaching screens to the side porch; digging a well.

Induction cooking; installing solar panels on the barn roof; installing a unique lattice.

The net-zero house is complete; touring the yard, barn and upstairs; checking out the main floor.

Laying a sill on a new foundation; scoping the sewer; starting a sleek design plan.

Calculating the risers for a set of stairs; insulating the foundation; installing radiant heat.

Rebuilding a century-old puddingstone wall; revisiting the 2005 Cambridge modern project.

Manufacturing plate glass and windows; cold weather painting; installing radiant heat.

Laying large-format tile; installing a hanging retro fireplace and modern kitchen cabinets.

Installing closet systems, modern baseboards and a linear wall drain; selecting door hardware.

Kevin, Tommy and Richard tour the home and review all the special features.