Ask This Old House — Episode 21: New Shade Pattern, HVAC Showroom

You are watching the episode New Shade Pattern, HVAC Showroom Jenn helps a couple rethink their front yard after two removed trees changed the shade pattern of the space; Richard talks about the mentors who helped him become a passionate teacher on This Old House; Richard gives Kevin a tour of the building he and his son, Evan Trethewey, have renovated to bring a new experience of mechanical equipment to contractors