Advanced Framing: Insulated Headers Description Guide describing how to insulate headers over doors and windows to reduce heat loss and heat gain through solid wood framing.
Advanced Framing: Minimal Framing at Doors and Windows Description Guide describing how to minimize framing around doors and windows to reduce heat loss.
Advanced Framing: Minimum Wall Studs Description Guide describing how to frame a wall with minimal wall studs to prevent heat loss through walls.