RESNET Modeling & Rating (9)

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Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?

I recently inspected a house that I am rating and discovered the HVAC contractor used Big 8 bubble wrap on the metal main duct in a vented…

Started by John S. Rodenhizer

19 May 22
Reply by Dennis Heidner

E.L.M. Aquastar by E.L.M Leblanc SA france

I was hired to rate a house and found an ELM Aguastar 125 VP/VPS installed in the house. It is a tankless 125k Btu natural gas hot water he…

Started by Dav Camras

0 Jul 2, 2018

Tax Credit and the LTO test

Anybody else super frustrated by the retroactive implementation of the tax credit? I have 2 big problems with this: 1) Most all of the home…

Started by Mark Furst

4 Mar 10, 2018
Reply by Mark Furst

RESNET gets serious about modeling platform consistency

A critical element in ensuring the consistency of HERS Ratings is enhancing the consistency which RESNET accredited HERS Software Programs…

Started by David Butler

0 Jan 12, 2018

Foam Plugs for Duct Leakage Testing

Can anyone recommend a foam manufacturer who has reasonably priced, soft closed cell foam sheets which can be cut into duct boot plugs for…

Started by Mark Rogers

4 Nov 17, 2016
Reply by Mark Rogers

Heat loss from ducts

Hey there Home Energy Pros, How do you calculate whole home heat loss from the ducts?  To put this in context, I know how to calculate heat…

Started by George Kopf

20 May 12, 2014
Reply by Bob Blanchette

HERS Index tracking 5 years or more after construction

Is anyone aware of HERS tracking 5 years or more after new construction?  I am looking for a study that may provide how valid the HERS rati…

Started by Sandra K. Adomatis, SRA

18 Mar 27, 2014
Reply by Brett Little

RESNET Draft Standard 301-01

The deadline for commenting is rapidly approaching.  Go to the link to Comment on 301-01.  EnergyLogic has commented and here is our positi…

Started by Stephen Byers

1 Sep 29, 2012
Reply by Sean Lintow Sr

RESNET and Home Depot - Anyone worried about that alliance?

RESNET announced an alliance with Home Depot this week, and I've heard from a couple of our raters already. They're concerned that this wil…

Started by Allison A. Bailes III

21 Dec 22, 2010
Reply by dale conner

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