[Greenbuilding] Greenbuilding Digest, Vol 67, Issue 10

[Clarke Olsen]

This is the logic that put radiators under windows - the intent was to have an even temperature throughout. I never saw that as a universal goal;
having some warm spots can be a good thing, it's like sitting next to the stove.
Clarke Olsen
clarkeolsendesign.com
373 route 203
Spencertown, NY 12165 
USA
518-392-4640
colsen at taconic.net




On Mar 28, 2016, at 4:27 PM, Vadurro, Rob, EMNRD <rob.vadurro at state.nm.us> wrote:

> Way back in architecture school, we were told that the windows were where the heat loss (gain) was most pronounced, so to provide the most even heating (cooling) the heat (cool) delivery was to be placed there. I think reality is more complex; heat (cool) distribution being the real concern,  I think it comes down to how well the heat (cool) gets around the space. Perhaps a ceiling fan, or a Big A$$ fan could take care of that better than the registers at the windows.
>  
> Rob Vadurro, AIA
> Park Architect
> New Mexico State Parks
> 1220 South Saint Francis Drive
> Santa Fe, NM 87505
> 505-476-3383
> 505-476-3361 fax
>  
> From: Greenbuilding [mailto:greenbuilding-bounces at lists.bioenergylists.org] On Behalf Of Alan Abrams
> Sent: Monday, March 28, 2016 2:14 PM
> To: Green Building <greenbuilding at lists.bioenergylists.org>
> Subject: Re: [Greenbuilding] Greenbuilding Digest, Vol 67, Issue 10
>  
> Reuben-
>  
> can you take advantage of the coanda effect, in which a stream of air enjoys scurrying along a flat surface? If so, yes, shorten duct runs accordingly. And maybe reduce fan size, too, if you're reduced enough static pressure.
> 
> https://en.wikipedia.org/wiki/Coand%C4%83_effect
>  
> -aa
> 
> Alan Abrams
> certified professional building designer, AIBD
> certified passive house consultant, PHIUS
> certified passive house builder, PHIUS
> cell     202-437-8583
> alan at abramsdesignbuild.com
> HELICON WORKS Architecture and Education
>  
> On Mon, Mar 28, 2016 at 4:00 PM, barbara deane-gillett <deaneg at hotmail.com> wrote:
> go for it and harvest the ductwork savings
> 
> Sent from my iPhone
> 
> On Mar 28, 2016, at 2:01 PM, greenbuilding-request at lists.bioenergylists.org wrote:
> 
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> > Today's Topics:
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> >   1. forced air heating vent placement (Reuben Deumling)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Mon, 28 Mar 2016 10:55:47 -0700
> > From: Reuben Deumling <9watts at gmail.com>
> > To: Greenbuilding <greenbuilding at lists.bioenergylists.org>
> > Subject: [Greenbuilding] forced air heating vent placement
> > Message-ID:
> >    <CAE5fceB0kxKhTGAAqdOOWwTK26mXib8Jr3-gwXeJS7wwMJPY7g at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > There seems to be a tradition of placing these all the way out at exterior
> > walls, and often under windows. Does this hark back to when windows were
> > the coldest surfaces and this would--in combination with a floor vent--make
> > for convective currents which could then be relied on to mix the warm air
> > better?
> > I'm in the process of adding four inches to the inside of the exterior
> > walls on a 140 year old farmhouse and blowing a ton of cellulose into those
> > deeper cavities. There will be exterior storm windows and the house overall
> > should end up pretty tight and cozy even without the furnace turned on. I
> > have to move some of these vents as they are too close to the existing
> > wall; my temptation is to shorten the ducts, not just by a few inches but
> > perhaps by a bunch. I'm curious for any thoughts or suggestions you might
> > have.
> >
> > Thanks very much.
> >
> > Reuben
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> > End of Greenbuilding Digest, Vol 67, Issue 10
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