Eric Kjelshus
  • Greenwood, MO
  • United States
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Low Gas Pressure

Started this discussion. Last reply by Tom DelConte Jan 15, 2014. 8 Replies

I have been running no heat calls all day - today I have found  lots of very low gas pressure you can run the Nat Gas hot water heater or 95% furnace.   Most days I find 5" to 5.5" and higher water…Continue


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Latest Activity

Eric Kjelshus replied to Benny hani's discussion Manual J on line
"A Resnet HERS index rater will give a size and will preload ACCA MJ wright   Then will have to adjust peaple load and about 11 other things.   But a if you per load name, wall/attic size R/U window size, door size, solar input on…"
Eric Kjelshus replied to Benny hani's discussion Manual J on line
"start with the base:   Principles of Heat Transfer• Heat energy cannot be destroyed. • Heat always flows from high temp to low temp Conduction through a Shaded WallQ = U X A X TU – Overall heat transfer coefficient of the…"
Eric Kjelshus replied to Benny hani's discussion Manual J on line
"WOW what is your back ground?   I have been teaching ACCA MJ for 30 years and each class is for skill that should be used in work.   Most HVAC schools will have heat gain heat loss class.  I just did a heat loss - code class for…"
Eric Kjelshus commented on Jan Green's blog post Attic sealing versus effective system balances
"If I was there 1st) is to test air CO VOC dust temp RH.  2)nd Then look for dead things  mice rats birds bugs  may have vack the duct and suck out some of inside duct sealant.   3) smell is a hard one some times to find. A teck…"
Sep 12
Eric Kjelshus commented on Jan Green's blog post Wonky HVAC System
"I am seeing the roofer set the HVAC RTU's with a crane to move the supplys for roof and I am out of that part of job.  all I get is the test out and air flow test if done.   Then the system Eff can be as low as 40%.  "
Sep 9
Eric Kjelshus commented on Jan Green's blog post Attic sealing versus effective system balances
"Just not sure - need info - is return in attic? or basement?  Did return get sealed?  How did living area get negative so smells go into building? attic positive?   I saw a 2 year old fill a return with peas, carrots,  what ever…"
Sep 8
Eric Kjelshus commented on Jan Green's blog post Wonky HVAC System
"Steel pipe is called spiral round ( or oval) duct and inside is fiber glass duct liner ( Johns Manville,Certanteed,Owens Coring).   Sealed with tape and mastic. 18 gage Pipe can be 48" round.  Goes up to 10" water SP.  …"
Sep 8
Eric Kjelshus replied to Steve Mann's discussion Alnor 6200 LoFlo Capture Hood in the group Energy Auditing Equipment for Sale, Trade or to Purchase
"call me Monday 816-537-5100 "
Aug 27
Eric Kjelshus replied to Rob Madden's discussion Indoor Air Quality Monitors and Meters
"I have been using air advice for 5 yr or so - I end up with a report in 35 min I can e-mail or show on my phone.  quick and a I do up to 4 tests a day.   Last week I found high VOC from next door.  A leak in Roof letting water in to…"
Aug 26
Eric Kjelshus replied to tedkidd's discussion Dear DOE, PACE sucks - please fix or make it go away...
"Most HVAC system upgrade - change outs and attic seals-R-49 end up $20-30K   Most house - holds just have $4-6K cash to put into a large repairs.   So I sell cost per MO"
Aug 22
Eric Kjelshus replied to John Nicholas's discussion Slab Edge Insulation - A Side Thread to Melissa's Question
"I have seen more than one job with all the slab/edge insulation eaten out by bugs, carpenter ants and termites.   I have seen all the wood that was left in pit become food for termites and came to eat the rim plate that was wet from dew point.…"
Jul 14
Eric Kjelshus commented on Rick Causo's blog post What is DWHR?
"Tell us about the code listing with waste heat?   My city says it not to code?"
Jul 5
Eric Kjelshus replied to Bob Blanchette's discussion Real World Ceiling Fan CFM
"Take a little smoke and see the throw.    Try to make air visible,  with RPM  and throw,   can tell CFM.     "
Jul 3
Eric Kjelshus commented on Igor Zhadanovsky's blog post Steam heating system retrofit in multifamily houses into “vacuum boost” steam heating.
"Most old steam systems I see are rotted and to get 100 year old systems going take repiping basement, main risers and pots.    Vacuum heating systems have been around for 150 years.   It takes a very little pipe to send steam to heat…"
Jul 2
Eric Kjelshus commented on Michael Dunseith's photo

Clearance to combustibles ?

"This show's back drafting of hot water heater.    Seal the return 1st  keep the room positive "
Jun 29
Eric Kjelshus commented on John Nicholas's blog post Indoor Air - How do you measure if it is Healthy?
"   has a quick snap shot test or leave it there for week.   Good looking reports that can be emailed or printed, on a very base report.    hand held  …"
Jun 29

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Who among us tracks the accuracy of Manual J?

Posted on February 27, 2016 at 8:06pm 4 Comments

Who among us tracks the accuracy of Manual J?

I have hour meters on maybe 20 systems now.    I like to see the run time when it's "4" degrees in Kansas City.  99% rate in KC is +4' degrees.  My goal at 4' is 100% run time.   I have a super sealed home 2,100 square feet  with a 2 ton ground type heat pump R-30 walls, R-60 attic, R-8 windows & doors with 98% run time @ "+ 4' ".  When the strip heat turned on, it smelled up the home with the dirt  off the 5 KW strip, heat…


not a Video - not a true photo

Posted on August 6, 2015 at 6:16pm 2 Comments

This is using still and moving camera,   Then gets stitched with software.     Tell me what you think?   On the photo that move you slow it or speed it up or go all the way around.   
Google give big points with using it.   Some say more than video.  

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At 6:02am on December 16, 2012, Diane Chojnowski said…

Hi Eric,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo. And add your location on our Member Map!

Diane, HEP Moderator



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