John Nicholas
  • Male
  • Derby, KS
  • United States
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Latest Activity

John Nicholas replied to daniel manriquez's discussion Thermostat set points
"Ted,  Without using name brands or proprietary terms,  how would you suggest specifying 'communicating equipment'?   Very easy to spec 'Builder's Grade'  80 AFUE, single speed draft induced gas fired…"
May 15
John Nicholas replied to daniel manriquez's discussion Thermostat set points
"There are three settings on the Nest.  Heat Only == Cool Only == Heat Cool.  I have several customers on the H/C setting during these shoulder seasons.  It does that.  Not as sophisticated  as your description above.…"
May 15
John Nicholas replied to Sean Lintow Sr's discussion Water Saver or Gimmick? in the group Best Practices (Residential)
"Lacy, each house is different. Most people do not have a DHW 6 inches from the shower. Low flow shower heads are also a great thing this thread has not touched on. I'm glad that you work with homeowners that have similar type home layouts,…"
May 8
John Nicholas replied to Sean Lintow Sr's discussion Water Saver or Gimmick? in the group Best Practices (Residential)
"Sounds like an attempt to compete with a Chili Pepper.  I've recommended these several times on Audits.  Usually when there is a long run that becomes a real complaint from the home owner.  I've had one installed.  The…"
May 7
John Nicholas replied to Kari Sauder's discussion How to Read Load Calculation Reports in the group HVAC
"If you have these types of issues, perhaps you should consider having the load done by another contractor."
May 1
John Nicholas posted a blog post

GeoSpring HPHWH from GE

Most homes in this area have a gas fired natural draft hot water heater. They come complete with a draft diverter.  The purpose of the draft diverter is to send the exhaust gasses (containing Carbon Monoxide, Sulphur Dioxide etc) into the home if the chimney or flue doesn't allow them to go up. Left is a picture of a properly installed heater with a draft diverter. Note the space between the tank and the flue. That is the design that allow the noxious gasses to back draft into the home.Some…See More
May 1
John Nicholas replied to Kari Sauder's discussion How to Read Load Calculation Reports in the group HVAC
"Kari, Lots of good info here.  Keep in mind, much of the load calculation details are buried in the software. I have a contractor using Elite.  He has 3 choices buried in the preferences Tight, Normal and Leaky for BD numbers. Tight is…"
May 1
John Nicholas replied to Barry NewDelman's discussion Whats the Consensus of this group Define "Energy Efficiency" in the group Energy Efficient Design
"There are many ways of saving energy.   I can turn down the thermostat and put on a sweater.  or use a programmable and ignore the setting by wearing more clothes.  My bill drops a number of BTUs. I can take a military shower.…"
Jan 16
John Nicholas replied to Sean Lintow Sr's discussion Duct Testing - is a change in order? in the group Best Practices (Residential)
"Follow Up on 787 cfm at 25 total leakage. Ted, 1425 sf conditioned space. The systems were installed with no tape or mastic used. This model had sheet metal trunks with sheet metal take offs; in the basement ceiling / main floor truss system.…"
Dec 20, 2013
John Nicholas replied to Sean Lintow Sr's discussion Duct Testing - is a change in order? in the group Best Practices (Residential)
"My understanding of duct leakage per sqft of conditioned floor area came out in Energy Star 3.0. The size adjustment factor, the penalty for oversizing homes with the use of a Target HERS Score were ways of making builders look at downsizing homes.…"
Dec 20, 2013
John Nicholas replied to Kari Sauder's discussion raised ranch heating, can't balance it in the group HVAC
"Check for Contractors certified by ACCA to do Energy Star V 3.  That program requires Man J and D so you will not be told,  "Oh! You don't need to do that! I've been doing this for 35…"
Nov 8, 2013
John Nicholas replied to Kari Sauder's discussion raised ranch heating, can't balance it in the group HVAC
"Kari,  Your air sealing has brought the home down from 7.6 ACH @ 50 to 5.5 ACH @ 50.  Nice gain.  Almost meets Energy Star.  You can get it lower, gains from this point will be effective with more effort.  Get some IR images…"
Nov 8, 2013
John Nicholas replied to Kari Sauder's discussion raised ranch heating, can't balance it in the group HVAC
"You've spent time air sealing and doing good work.  You seem to have the equipment in line.  What about the rest of the thermal enclosure.  Do you know what insulation there is?  Especially in the basement area. I get calls…"
Nov 7, 2013
John Nicholas replied to Bud Poll's discussion Calculating attic ventilation
"Bud,  I know you believe every house is a unique structure and worth individual attention. If you have a 900 sf ranch with a full basement, or 1800 sf conditioned space. ca 1965.  No vaults etc. The 1:300 is 3 sf of attic ventilation.…"
Nov 3, 2013
John Nicholas replied to Bud Poll's discussion Calculating attic ventilation
"We use it because we are stuck with it!  No one likes change! No one really understands why attic ventilation needs to happen. How to make it work correctly or the problems with incorrect work on the attic enclosure. We do not realize the…"
Nov 3, 2013
John Nicholas replied to scottscontracting's discussion Is my HVAC Guy correct? 2 systems instead of 1 system with Dampers
"If you are looking at any kind of an EEM for residential property, you will need a HERS Rater. If the existing flex is not well installed, replace.  If outside the envelope, buy R-8 insulation. If on the ceiling plane, bury the ducts in your…"
Nov 1, 2013

Profile Information

Company
The Energy Gug
Professional Certification
HERS Rater - Level II Thermography
Professional Interests
Building Certification, Improvement,
Website URL
http://TheEnergyGuy.info
Blog URL
http://TheEnergyGuy.info/Blog
Twitter ID
TheEnergyGuyKS
Facebook Page
TheEnergyGuy

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John Nicholas's Blog

GeoSpring HPHWH from GE

Most homes in this area have a gas fired natural draft hot water heater. They come complete with a draft diverter.  The purpose of the draft diverter is to send the exhaust gasses (containing Carbon Monoxide, Sulphur Dioxide etc) into the home if the chimney or flue doesn't allow them to go up. Left is a picture of a properly installed heater with a draft diverter. Note the space between the tank and the flue. That is the design that allow the noxious gasses to back draft into the…

Continue

Posted on May 1, 2014 at 6:58am

Energy Auditors Rock! They Depressurize!

You’ve been in the attic, the crawl spaces or basement, climbed up and down any stairs several times. There have been some questions from the home owner and perhaps from the kids in the house. If you are like me, you’ve bumped your head a few times on low hanging fruit. It has been a fun, rewarding and perhaps a little stressful.

The thing I do to relieve this stress, is to depressurize. Yes, let all that built up stress just…

Continue

Posted on January 22, 2012 at 6:00am

 
 
 

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Cold air infiltrating the lower right portion of this wall and ceiling.
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