TV This Old House - Season 23 Episode 9 : The Manchester House - 9 This Old House - Season 23 Episode 9 : The Manchester House - 9 5.557/10 by 35 users Steve sees the progress on the new addition, including a roof joist system of 1 x 12 LVLs, necessitated by the room's high ceiling height. Inside, Tom and our master carpenter show him how they are stiffening up a bouncy third floor by sistering 1/8"" steel sheets to the floor joists from below. Richard Trethewey checks out a software program that computes heat loss for our building, as well as projecting heating and cooling costs with various insulation, window, and power plant configurations. One remarkable finding: with the current, inefficient heating plant and standard insulation and double-pane windows operating costs for 30 years would be around $220,000; with expanded-foam insulation, low-e windows, and super-high-efficiency heating equipment the cost would be $75,000. Our master carpenter takes viewers to Portland, Oregon, where a couple has turned passion for period-perfect Victorian restorations into a fledgling business. Finally, the first of the new sliding glass glass door Details Casts Posters Images Title This Old House - Season 23 Episode 9 : The Manchester House - 9 Alternative Titles 这个老房子, This Old House Hour Subtitle Available ETC. First Air Date 1979-01-01 Last Air Date 2025-05-29 Number of Episodes 1188 Number of Seasons 46 Genres Documentary, Reality, Networks PBS, Casts Plot Keywords , Episodes List This Old House Season 23 :Episode 1 The Manchester House - 1 2001-09-22 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 2 The Manchester House - 2 2001-09-29 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 3 The Manchester House - 3 2001-10-06 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 4 The Manchester House - 4 2001-10-13 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 5 The Manchester House - 5 2001-10-20 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 6 The Manchester House - 6 2001-10-27 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 7 The Manchester House - 7 2001-11-03 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 8 The Manchester House - 8 2001-11-10 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 9 The Manchester House - 9 2001-11-17 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 10 The Manchester House - 10 2001-11-24 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 11 The Manchester House - 11 2001-12-01 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 12 The Manchester House - 12 2001-12-08 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 13 The Manchester House - 13 2001-12-15 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 14 The Manchester House - 14 2001-12-22 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 15 The Manchester House - 15 2001-12-29 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 16 The Manchester House - 16 2002-01-05 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 17 The Manchester House - 17 2002-01-12 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 18 The Manchester House - 18 2002-01-19 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 19 The Manchester House - 19 2002-01-26 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 20 The Manchester House - 20 2002-02-02 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 21 The Manchester House - 21 2002-02-09 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 22 The Manchester House - 22 2002-02-16 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 23 The Manchester House - 23 2002-02-23 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 24 The Manchester House - 24 2002-03-02 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 25 The Manchester House - 25 2002-03-09 TV's original home-improvement show, following one whole-house renovation over several episodes. This Old House Season 23 :Episode 26 The Manchester House - 26 2002-03-16 TV's original home-improvement show, following one whole-house renovation over several episodes.