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Nesgroup address: alt.building.construction - Date & Time for the message: Sat, 6 Aug 2005 12:04:49 -0700
/ Author of the message: "Phil Scott" |
Title of the message: |
Re: Central Air v. Window-unit Air?
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Text of the message: |
"Steve Scott" <sscott1@twcny.rr.com> wrote in message news:trj9f15kapejvs9c8go3osuigs7mm6edrk@4ax.com... > California has estimated the average residential duct loss > there to be > in the 30% range. Based on what we see in NY that seems > reasonable to > me. ASHRAE suggests one use 5- 10% for duct loss. and mentions that due to *air leakage*. It is interesting that you dont see thermal conductance loss through the air ducts thin insulation mentioned more often...or for that matter through a packaged units ultra thin evap coil/ blower cabinet insulation. I think the ASHRAE 5 to 10% factor must include that. Phil Scott > > On Sat, 6 Aug 2005 00:39:38 -0700, "Phil Scott" > <philscott@philscott.net> wrote: > >>However there are losses with duct work in a central AC that >>you dont have in window AC. (depending on duct leaks etc >>etc. >>in the 5 to 10% range...not so good actually) > > > -- |
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Estaplace.com is one the Ceglia Giovanni projects, started on 20 July 2005, and online since 20 August as a real estate platform for listings, mainly operating on the Italian and American/English market in the Internet, Estaplace would like to become the point of referiment for home sellers and home buyers, a site where private owners or real estate agencies can have the possibility to show their offers to the world. Estaplace.com is only one of the Giovanni Ceglia's sites. Everyday Giovanni Ceglia works to improve new Internet tools and services for online marketing and business. Estaplace.com will become the biggest portal for real estate business and investments online.