Video describing traditional 2x4 16 inch on center framing versus advanced framing with 2x6 stud walls at 24 inch on center, insulated corners and headers, wall stud-ceiling joist alignment, etc. providing a strong wall with more room for insulation.
Video showing air sealing of the sill plate behind the baseboard in an existing home with canned spray foam to stop air leakage at the base of the wall.
Video describing best practices for air sealing an attached garage during construction using plywood and spray foam in the band joist and providing an exhaust fan to ventilate and depressurize the attic.
Video describing the installation of windows to be air- and water-tight, including recommendations on flashing, air-sealing, and insulation, from Home Innovation Research Labs