Eric Kjelshus's Discussions (152)

Discussions Replied To (133) Replies Latest Activity

"Just say no to fireplaces inside!  Its just a way to get more CO and other smoky gas…"

Eric Kjelshus replied Nov 28, 2016 to Fireplace drafts

17 Jan 2
Reply by Eric Kjelshus

"A Resnet HERS index rater will give a size and will preload ACCA MJ wright soft.com…"

Eric Kjelshus replied Oct 18, 2016 to Manual J online

13 Nov 3, 2016
Reply by tedkidd

"start with the base:   Principles of Heat Transfer• Heat energy cannot be destroyed.…"

Eric Kjelshus replied Oct 17, 2016 to Manual J online

13 Nov 3, 2016
Reply by tedkidd

"WOW what is your back ground?   I have been teaching ACCA MJ for 30 years and each c…"

Eric Kjelshus replied Oct 17, 2016 to Manual J online

13 Nov 3, 2016
Reply by tedkidd

"I have been using air advice for 5 yr or so - I end up with a report in 35 min I can…"

Eric Kjelshus replied Aug 26, 2016 to Indoor Air Quality Monitors and Meters

11 Aug 26, 2016
Reply by Eric Kjelshus

"Most HVAC system upgrade - change outs and attic seals-R-49 end up $20-30K   Most ho…"

Eric Kjelshus replied Aug 22, 2016 to Dear DOE, PACE sucks - please fix or make it go away...

3 Aug 22, 2016
Reply by Eric Kjelshus

"I have seen more than one job with all the slab/edge insulation eaten out by bugs, c…"

Eric Kjelshus replied Jul 14, 2016 to Slab Edge Insulation - A Side Thread to Melissa's Question

4 Sep 2, 2016
Reply by Tony Hicks

"Take a little smoke and see the throw.    Try to make air visible,  with RPM  and th…"

Eric Kjelshus replied Jul 3, 2016 to Real World Ceiling Fan CFM

3 Jul 3, 2016
Reply by Eric Kjelshus

"When the insulation gets larger on supply when the blower is on that's duct leakage.…"

Eric Kjelshus replied Jun 12, 2016 to Commercial duct testing

11 Jun 24, 2016
Reply by Glen Gallo

"Most sealing done on duct work is the insulation.   That's why the vapor barrier  is…"

Eric Kjelshus replied Jun 9, 2016 to Commercial duct testing

11 Jun 24, 2016
Reply by Glen Gallo

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Featured Forum Discussions

Too many BTU's. Too much horsepower?

Started by Steve in General Forum. Last reply by Eric Kjelshus yesterday. 4 Replies

Stack/wind pressure and flow networks.

Started by Daniel James Grundy in Training. Last reply by Daniel James Grundy on Thursday. 5 Replies

BDT with vermiculite in hollow CMU walls?

Started by Brad Cook in General Forum. Last reply by John Nicholas on Thursday. 2 Replies

Strange IR Image

Started by Larry Nissman in General Forum. Last reply by Brad Cook Mar 9. 7 Replies

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Eric Kjelshus replied to Steve's discussion Too many BTU's. Too much horsepower?
"Its more about run time with high RH removing, than to large over sized AC unit, in houses.  …"
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Walter Ahlgrim replied to Steve's discussion Too many BTU's. Too much horsepower?
"The 5 ton system you have is not 500 hp racecar engines they are 500 hp truck engines. The duct…"
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Daniel James Grundy replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"So I wanted to start with a basic who can help then go into more detail later. But yes find…"
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Daniel James Grundy replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"My tutor got back to me and while areas don't quite feel right a little to much assumptions…"
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Brennan Less replied to Daniel James Grundy's discussion Stack/wind pressure and flow networks.
"Daniel, I'm assuming you're trying to predict the airflows through the different openings…"
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