Eric Kjelshus
  • Greenwood, MO
  • United States
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Eric Kjelshus's Discussions

What made this chimney fall down?

Started this discussion. Last reply by Eric Kjelshus Nov 13, 2017. 7 Replies

what made this chimney fall down?  2 years after a 80% furnace was put in.  Over sized heating system after building sealedContinue

Tags: tile, liner, a, with, stone

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 Jignesh's discussion Efficiency of furnace
"10-12" liners are not made. Biggest made I find is 6" Flue temp on gravity is above 800' most 80% gas or lp are in the 350-380'. If a low end replacement is put in goes from quite to very very noisy"
Feb 24
Eric Kjelshus replied to Jim Conlon's discussion Insulation Blower Recommendations?
"Most generator are more efficiency at 240 volt.   Its  about the total watts more than just volts.    I have been using older insulation blower and rebuilding them.   The wireless controls are good,  New…"
Feb 22
Eric Kjelshus replied to Jignesh's discussion Best brands for furnace
"Its more about the install and air flow than the box brand,  Most brands about the same if you get higher end not the builder grade.  Most brands use the same TXV's same compressor same gas valve same blower motors same Inducer…"
Feb 22
Eric Kjelshus replied to Jignesh's discussion Efficiency of furnace
"OK lets say you have a gravity air system with a 80% burn on heat exchanger with out the 8" pilot assembly burning 25 therms of nat gas a mo.   The whole system to keep the flue warm and burner from condensating is just 36.6% …"
Feb 22
Eric Kjelshus replied to Jignesh's discussion Efficiency of furnace
"I like looking at system efficiency - Lets say the you have a 95% gas using furnace 100,000 BTU's in put.  1000 CFM into building You use a hood or SP or  some way of testing CFM into building  supply grills total.  Temp…"
Feb 19
Eric Kjelshus replied to Tray Biasiolli's discussion Two-stage furnace, control at furnace or thermostat?
"Set up for 1st stage to run at highest eff.   With my set up will run on 1st stage 93% of time.   Use a high end flue gas meter and set up for max eff.   "
Jan 5
Eric Kjelshus replied to Don Fugler's discussion joining ducts in the group HVAC
"I use 5" worm gear clamps  for 4" steel pipe takes a 5/16 nut driver, very easy to clean.  I use a long sweep 4"  28 gage elbow and and use tin snips cut back 3/4'  6 lines then clamp between dryer and …"
Nov 26, 2017
Eric Kjelshus replied to Don Fugler's discussion joining ducts in the group HVAC
"one maker of duct fans kits puts in #6X 3/8" with 1/4" hex head metal screws.  If you over crimp the 4" pipe will not start the 3/8" long screw.  google" How to prevent fires in  clothes dryers"  I…"
Nov 26, 2017
Eric Kjelshus replied to Shawna Henderson's discussion Exterior Insulation for Deep Energy Retrofits
"I help with 1908 32 unit apt building with 3 layers of brick walls and a steam heating system.    Changed the one bed room to 3 bedrooms, made windows smaller glued and used concrete screws to fasten 1/2 structural insulated panels…"
Nov 25, 2017
Dave Taylor liked Eric Kjelshus's discussion What made this chimney fall down?
Nov 14, 2017
Eric Kjelshus replied to Eric Kjelshus's discussion What made this chimney fall down?
"I see each day that acidity can rot masonry, so keep the flue gas above the dew point.   around 255' and above with natural gas will keep flue gas above dew point.   I have seen cast iron floor drain flake apart in one…"
Nov 13, 2017
Ed Whitaker replied to Eric Kjelshus's discussion What made this chimney fall down?
"   I did not see any reference to acidity in the condensate. The acidity will quickly damage the masonry joints. This is why liners and exhaust lines are nearly always acid resistant. This is why the condensate drains are neutralized with…"
Nov 13, 2017
Eric Kjelshus replied to Dav Camras's discussion Manual J (SD) for custom, luxury homes
"what time of year?  If mid summer late afternoon -Yes add a unit just for the party room.   I just did a very low energy house that has a bridge party each monday at 3 pm with 16 extra body's - extra drinks - extra food - ended…"
Nov 7, 2017
Eric Kjelshus replied to Bob Blanchette's discussion Tankless Water Heaters... has their time finally come?
"With super cheap natural gas prices now, still worth going all electric?  Tankless needs a lot more maintenance  delime each year plus costs of extra power used?"
Oct 20, 2017
Eric Kjelshus replied to John Shillito's discussion Fixing a water heater?
"You can get combustion air from from the supply air from blower.   If blower is on 24/7/365 and seal the return air duct and filter slot.  Make the furnace room postive and add air to combustion.   I have seen to much…"
Oct 12, 2017
Eric Kjelshus joined Bob Krell's group
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Healthy Indoors (IAQ)

The Healthy Indoors group is focused on indoor air quality (IAQ), mold, moisture control, radon, lead, air duct cleaning & HVAC hygiene, and building performance/ building science-related topics that affect the healthiness of our indoor environments, like air leakage.See More
Oct 9, 2017

Profile Information

Company
Kjelshus Energy
Professional Certification
BPI, RSES, MO HEAT PUMP, NCI, QHCA, AEE, OSHA 10, NATE
Professional Interests
Low energy housing,
Website URL
http://ERICSENERGY.COM
Facebook Page
Eric Kjelshus energy

Eric Kjelshus's Blog

Who among us tracks the accuracy of Manual J?

Posted on February 27, 2016 at 11:06pm 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…

Continue

not a Video - not a true photo

Posted on August 6, 2015 at 9:16pm 2 Comments

http://ericsenergy.com/kjelshus/

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.  

Comment Wall (2 comments)

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At 10:46am on October 23, 2016, Robert Zockoff said…

Eric,

My client has 2 very different ManJ reports from 2 HVAC distributors. What would you charge for a full design with including ducts? It will be about 8 zones with air source heat pump and 50% radiant.

Thanks,

BobZockoff

At 9:02am 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!


Thanks!
Diane, HEP Moderator

 
 
 

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