[Greenbuilding] Hot3000 - License Expiry message?

Wed Jan 18 20:00:28 CST 2012

http://www.nist.gov/el/building_materials/cmml.cfm

This is Nist software for environmental concrete, that is concrete exposed
to exterior conditions.
A lot to look over.
Seems moisture is the biggest issue for concrete in conjunction with thermal
conditions.
The predictable outcome, of Spalding, thermal bridging can be measured in
terms degradation vs. time.
I'll keep looking for other sources.

Regards,
Doug Lamb
614.323.2005
douglaslamb at columbus.rr.com

  _____  

From: greenbuilding-bounces at lists.bioenergylists.org
[mailto:greenbuilding-bounces at lists.bioenergylists.org] On Behalf Of David
Bergman
Sent: Wednesday, January 18, 2012 8:45 PM
To: Green Building
Subject: Re: [Greenbuilding] Hot3000 - License Expiry message?

Is there an article or review somewhere that compares the applications for
and functionality of these programs?

While I'm asking, similar question regarding building LCA software.....

David Bergman  RA   LEED AP
DAVID BERGMAN ARCHITECT / FIRE & WATER LIGHTING + FURNITURE
architecture . interiors . ecodesign . lighting . furniture
bergman at cyberg.com     <http://www.cyberg.com/> www.cyberg.com 
241 Eldridge Street #3R, New York, NY 10002
t 212 475 3106    f 212 677 7291 

At 08:27 PM 1/18/2012, Douglas E Lamb wrote:

I love the educational value of this site. 
Learn something new every day!
Nist BEES may have the same combined building material techniques for
permafrost conditions.
I thought Onset would have some software to translate such conditions, but
no go.
I'll check out NERL.

Regards,
Doug Lamb
douglaslamb at columbus.rr.com

-----Original Message-----
From: greenbuilding-bounces at lists.bioenergylists.org
[  <mailto:greenbuilding-bounces at lists.bioenergylists.org>
mailto:greenbuilding-bounces at lists.bioenergylists.org] On Behalf Of Stuart
Fix
Sent: Wednesday, January 18, 2012 7:39 PM
To: Green Building
Subject: Re: [Greenbuilding] Hot3000 - License Expiry message?

Agreed the PHPP isn't the best choice for accuracy, I use IES<ve> in that
case. I find PHPP really shines on quick comparative analysis. In John's
case, you could grab a few slab & footing designs, use THERM to calculate
each edge performance accurately (thermal bridge, linear PSI value), and
then throw the open area Uvalue & PSI into PHPP to quickly compare the
overall performance of each.

I'm not familiar with HOT3000, but to do what I described in IES<ve> would
be much more time consuming than in PHPP, and if you're more interested in
selecting the best design than in an accurate annual performance prediction,
PHPP is my choice.

Can you enter custom slab edge effects in HOT3000?

Cheers,

Stuart Fix, P.Eng., LEED® AP
PHI Certified Passive House Designer
MASc. Building Science
Mechanical Engineer
ReNü Building Science Inc.

#206, 506B St. Albert Trail | St. Albert, Alberta | T8N 5Z1 | C.
780.554.8192 | sfix at renubuildings.com

-----Original Message-----
From: John Straube [  <mailto:jfstraube at uwaterloo.ca>
mailto:jfstraube at uwaterloo.ca]
Sent: Wednesday, January 18, 2012 5:10 PM
To: Green Building
Cc: Stuart Fix
Subject: Re: [Greenbuilding] Hot3000 - License Expiry message?

HOT3000 is an hourly model that uses actual hourly weather files and a true
mass and energy balance. This allows it to be much more accurate if such
accuracy is required.
The monthly average method used by PHPP is quite an approximation and
requires fudge factors to get close to the right answer.  I have often heard
it claimed to be "the most sophisticate" or "the most accurate", but I have
never seen these claims substantiated.  PHPP's best feature is its
simpleness and transparency (features I value very highly), but it is not
that sophisticated.  Never use it for detail design myself, just for initial
scoping design.
THERM is needed for most energy modeling programs to get the R-value of
details right.
WINDOW or similar is useful to get true window U-value.

On 12-01-18 6:48 PM, Stuart Fix wrote:
> Hi John,
>
> Can't help you with your Hot3000 issues, but I'd recommend the Passive 
> House Planning Package (PHPP) paired with THERM as the best combo out 
> there for modeling the effects of slab details.
>
> Cheers,
>
> Stuart Fix, P.Eng., LEED® AP
> PHI Certified Passive House Designer
> MASc. Building Science
> Mechanical Engineer
> ReNü Building Science Inc.
>
> #206, 506B St. Albert Trail | St. Albert, Alberta | T8N 5Z1 | C.
> 780.554.8192 | sfix at renubuildings.com
>
> -----Original Message-----
> From: greenbuilding-bounces at lists.bioenergylists.org
> [  <mailto:greenbuilding-bounces at lists.bioenergylists.org>
mailto:greenbuilding-bounces at lists.bioenergylists.org] On Behalf Of 
> John O'Brien
> Sent: Wednesday, January 18, 2012 4:44 PM
> To: greenbuilding at lists.bioenergylists.org
> Subject: [Greenbuilding] Hot3000 - License Expiry message?
>
> Was just playing around with Hot2000 today, figured I'd try out 
> Hot3000, but it appears to be dead in the water. Error message from 
> H2kCore - Hot2000 license has expired. Contact NRCAN.
>
> No contact info, and the bug report links are all dead. Anyone 
> encountered this issue.
>
> On another note, is it possible to model a fully foam wrapped slab on 
> grade in Hot2000.
>
> Cheers,
>
> John
>
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--
Prof. John Straube, Ph.D., P.Eng.
Dept of Civil Engineering / School of Architecture www.buildingscience.com
<http://www.buildingscience.com/> 

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