[Greenbuilding] [BULK] night insulation for windows savings

[Keith Winston]

The simplest free decent energy modelling software is HEED, I believe. 
It's quite impressive, but you will run into it's limits as you push 
into it. It's being updated as we speak, I've shared some ideas with the 
author, who may be including geothermal and some other new features. I 
have tentatively decided it's not going to be what I want it to be for 
quite a while, but I haven't found the perfect thing, either! For small 
or intermediate size mid-complexity projects, it might be perfect. Play 
with it, it's pretty fun and has a comparatively short learning curve.

Keith


Lawrence Lile wrote:
> I can't recommend a cheap energy modeling program, because I don't know
> of one. Anyone else have any suggestions? 
>
> Lawrence Lile, PE, LEED AP
> Project Solutions Engineering
>
> -----Original Message-----
> From: Eli Talking [mailto:elitalking at hughes.net] 
> Sent: Wednesday, December 19, 2007 2:27 PM
> To: Lawrence Lile; Greenbuilding at listserv.repp.org
> Subject: Re: [BULK] [Greenbuilding] night insulation for windows savings
> Importance: Low
>
>
> Lawrence Lile wrote,"The technique that you are looking for is called
> "bin 
> data".  In the 1980's this was a commonly used technique, but it is
> falling 
> out of favor as more powerful computer programs get cheaper. "
>
>  Do you recommend a software program for modeling energy conservation
> and 
> production options for the performance of buildings?
>
> I did find a source of bin data from ASHRAE.  However it was going to
> cost 
> me money.  Therefore, I would like to survey my other options.
>
> Eli Fishpaw
>
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