[MassHistPres] wooden replacement windows

[Aaron Marcavitch]

Susan,

Our building commissioner here has told us that a single pane window with a storm will meet the
energy ratings - if the rest of the house can offset the energy loss.  Remember that a window -
double pane or single pane - are just holes in the wall.  You can't improve energy 100 x 0.  I
would also suggest using a strom window like http://www.invisiblestorms.com/  They disappear so
you dont have that bad looking triple track (unless you have a really cool 1950's ranch and you
want that look).  

But yes you are right about the allowances in the building code.  I wish that information was more
well known to the preservation community.

Aaron


--- Susan Bragdon <sbragdon at comcast.net> wrote:

> We in Marblehead have just gone thru arguments with a homeowner in the
> Historic District.  We could not find any energy efficient windows in single
> pane true divided light.  As far as the Building Code and the requirement of
> energy requirements, there is an exception in the code for buildings in a
> Historic District.
> 
> --susan bragdon
>   Marblehead Old and Historic Distric Commission
> 
> -----Original Message-----
> From: masshistpres-bounces at cs.umb.edu
> [mailto:masshistpres-bounces at cs.umb.edu] On Behalf Of Stowell, Stephen
> Sent: Wednesday, July 12, 2006 9:13 AM
> To: Aaron Marcavitch; masshistpres at cs.umb.edu
> Subject: Re: [MassHistPres] wooden replacement windows
> 
> 
> Our experience is that the glue ons inevitably fail and always require true
> divided light wood windows.  Floating grids integral to the sash/frame
> however are acceptable on aluminum replacements.
> 
> Anyone have any experience in meeting Energy Star requirements for
> replacement windows, especially in meeting the true divided light litmus
> test?
> 
> -----Original Message-----
> From: masshistpres-bounces at cs.umb.edu
> [mailto:masshistpres-bounces at cs.umb.edu]On Behalf Of Aaron Marcavitch
> Sent: Monday, July 10, 2006 9:14 PM
> To: masshistpres at cs.umb.edu
> Subject: Re: [MassHistPres] wooden replacement windows
> 
> 
> All,
> 
> The two questions from Ralph Slate and Marie Thornell seemed very related.
> Here on Nantucket, our HDC requires wood, true divided windows downtown and
> they often suggest Boston Sash or Broscoe windows.  There are a few others
> but they have had pretty good luck with them.  I dont know if other HDC's
> are having issues with them, but our HDC has had pretty good luck requiring
> them.
> 
> As for a company that makes thermal glass with a 2/2 grid pattern, the HDC
> often suggets using Anderson 400 series - which has a permanently applied
> exerior muntin.  Marvin also makes a good version.  I haven't had many
> reports on the cost though.  I am pretty sure Anderson makes an aftermarket
> muntin to glue on.
> 
> Aaron
> Nantucket Historical Commission
> 
> 
> --------
> http://www.marcavitch.com
> 
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