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

John Nicholas replied to Stephen Wierzbicki's discussion Mold on a ceiling diffuser
"Stephen,    The mold is in one place.  That means moisture is in that place.  Until you have discovered why the moisture is present where the mold is, you are not any closer to a solution. Yes,  You need to fix the entrance…"
Aug 20
John Nicholas replied to Blake Shurtz's discussion Ventilating Attics- Rafter Vents
"You should go high and low on the roof as Glen suggested.  That would be simple.  You can do turtle type vents low and high.  You can do eyebrows low.  Or you can install a simple horizontal low vent.  From the inside of the…"
Aug 7
John Nicholas replied to Sean Lintow Sr's discussion Duct Testing - is a change in order? in the group Best Practices (Residential)
"In day to day operation, the blower is the source of pressure in the supply system and relatively depressurized return.  The Static is slightly higher near the source of pressure then at the far end. Hooking the test fan to the blower…"
Aug 5
John Nicholas replied to Sean Lintow Sr's discussion Duct Testing - is a change in order? in the group Best Practices (Residential)
"Yes,  I was connected to the AH cabinet.  I find it easier in this area, given the common mechanical set ups.  Where I've tried going into a return, I usually have gravity to fight. <GRIN> I did a guarded Blower Door Test…"
Aug 3
John Nicholas replied to Kirsten Richnavsky's discussion Crawl spaces and attics: OSHA to implement new rule on confined spaces
"I listened to a webinar sponsored by NAHB with one of the OSHA staff members that was on the team that wrote this.  90% of the rule applies to enclosed spaces that someone can climb *down* into.  They also have a hazardous atmosphere, such…"
Jul 9
John Nicholas replied to Elizabeth Guinn's discussion ERV in need of backflow preventer.
"First,  What is the 24/7 CFM requirement for your house?   Second,  What is the CFM rating for the unit? The most efficient ERVs run closest to 60 minutes out of each hour.  Buying a unit that moves 70 CFM is less capital outlay…"
May 29
John Nicholas commented on Jamie Press's blog post How to Choose the Right Solar Panels
"How much power do you need?  The looking up appliances and electronics usage, assigning time of use and then calculating is tedious. Collect 36 months of Energy Bills.  Get monthly and annual averages. Consult with a skilled energy auditor…"
May 25
John Nicholas commented on Home Energy Magazine's blog post Revisiting Electrification
"Electrification for heating is bad.   Nope! Electric Resistance heating is not efficient. Nope!  The Yellow Energy Guide Label from the FTC says 100% on an Electric Furnace. Gas furnace (mine) is only 97% efficient. In 2012 I choose to use…"
May 5
John Nicholas replied to William Fisher's discussion Can tankless water heaters provide hot water even when the groundwater is fairly cold?
"No,  I don't heat my toilet water, but I don't like being in the shower when someone flushes. So I threw the 1 GPM in there.  When you figure potential, you can throw a lot in there.  The real actual is what will count. I…"
Apr 19
John Nicholas replied to William Fisher's discussion Can tankless water heaters provide hot water even when the groundwater is fairly cold?
"Simple math will tell you.   Figure the GPM requirements for each fixture you think will run at the same time, actually or potentially.  2 Showers 2.5 GPM unless your heads are WaterSense.  1 Toilet 1 GPM.  Tub 2 GPM for 10…"
Apr 19
John Nicholas replied to William Fisher's discussion Can tankless water heaters provide hot water even when the groundwater is fairly cold?
"In addition to the 2 items Sean mentioned, you will also have to consider the exhaust.  My personal tankless install moved 12 feet because of the flue issue.  Each home is different. Depending on the layout of the home, 2 smaller tankless…"
Apr 16
John Nicholas replied to Tony Hicks's discussion Slab-on-grade Insulation
"Take a look at the Energy Star New Homes Website. They have lots of good technical advice for constructing a continuous thermal barrier. You may also wish to check out Energy Edge.  They have an exterior slab insulation product that…"
Apr 16
John Nicholas commented on Home Energy Magazine's blog post Code Conflict Between 2012 IRC and 2012 IECC
"I just noticed this thread is almost two years old.  That may say more than anything. "
Apr 14
John Nicholas commented on Home Energy Magazine's blog post Code Conflict Between 2012 IRC and 2012 IECC
"There are some wording issues to be cleared up.  The larger issue is to remember what else was going on at the time these codes were being written. 1.  The new DHW standards that just kicked in were there. 2.  The elimination of all…"
Apr 14
John Nicholas replied to Sean Lintow Sr's discussion Blower Doors & Methods Used in the group Best Practices (Residential)
"Different houses, different problems, different approaches. A multipoint gives you a slope. The slope tells you about the holes and sizes.  Knowing about the size of the holes tells you something about where they might be. The slope helps with…"
Jan 25
John Nicholas replied to Sean Lintow Sr's discussion Blower Doors & Methods Used in the group Best Practices (Residential)
"Bud,  I pretty much agree with Sean's points.  Given the time it takes to set up the BD,  running a multi-point is nothing.  The IR work and using the standards emphasizing the points he made are important.  Also they…"
Jan 25

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…

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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…

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Posted on January 22, 2012 at 6:00am

 
 
 

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