John Nicholas replied to Rob Madden's discussion Where is the money in energy auditing / home rating?
"I have completed 5 Energy Efficient Mortgages under FHA and VA, and got paid for them.  I have worked on 8 more and not been paid. The loan originator or the home office underwriter will deep 6 the EEM every time. We can't close on time. or it is…"
Jun 28, 2019
John Nicholas replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"That is why I went into the detail of the install directions.  You only have to accept the Posted Value, if tt is installed accortding to manufacturers instructions.    I put a yardstick in a blown attic to check the height and I get a 1 inch tube…"
May 10, 2019
John Nicholas replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"1st:  Read 4.2 and 5.0 of the ESR-1236.   Are all of the conditions for installation listed there fully followed. 
2nd:  Are all of the Manufacturer's Install instructions followed?
If they are, you must accept the R-Value Claims. Just as you would…"
May 9, 2019
John Nicholas replied to Jerry Needham's discussion Cathedral ceiling with tongue and groove ceiling. Looking for solutions.
"What is on the roofing side?  Asphalt Shingles, roll roofing, etc.   When is it due for replacement?   You could get a roofing company to add external rigid insulation on top of the tongue and groove, then the roofing.  Then on the inside, you could…"
Nov 8, 2018
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"Thank You, Colin!  Those are very good points and processes to do some Zone Pressure Diagnostics techniques applied to multi family buildings."
Oct 19, 2018
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"Scott Katznelson   In 2013,  I had my HERS Field Review completed on a multi-family unit.  I did and end unit, and my QAD set a blower door in the adjacent unit.  We tested both units.  The difference between guarded and unguarded was less then the…"
Oct 18, 2018
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"I can use my Duct Blaster on any house that I expect to be less than 1300 CFM through the fan.   I will be doing a final on a 2200 sf that had an AeroSeal and AeroBarrier applied.  Their ACH was 0.55 and TDL was 15 cfm @ 25.  I have an app that will…"
Oct 11, 2018
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"Here are two pictures of the duct blaster fan as a blower door.  1 in a door and 1 in a window.  The woindow has a DB Fan hole in the slip.  Extra Cost about $100.   The door has a shop made insert to attach the DB an to the full size hole in the…"
Oct 11, 2018
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"What standard are you testing to? Energy Star requires 5 ACH @ 50.   Code is 3.0 etc etc.  What is the requirement?  What is the definition of residence or home.   Code defines a dwelling (residence) includes space for living, sleeping, meal…"
Oct 11, 2018
John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"What standard are you testing to? Energy Star requires 5 ACH @ 50.   Code is 3.0 etc etc.  What is the requirement?  What is the definition of residence or home.   Code defines a dwelling (residence) includes space for living, sleeping, meal…"
Oct 11, 2018
John Nicholas replied to Randall Olsen's discussion How to measure room pressures
"Next time you final a new house or complete a home energy audit:   Tape off the return in one bedroom.  Then turn turn AH on -  heat or cool.   Now place the manual damper (*aka door") to about 4 inches from closed.  After it closes think about a…"
Oct 1, 2018
John Nicholas replied to Randall Olsen's discussion How to measure room pressures
"ES 3.0  Rev 9 Footnote 34


Item 6.2 does not apply to ventilation or exhaust ducts. For an HVAC system with a multi-speed fan, the highest design fan speed shall be used when verifying this requirement. When verifying this requirement, doors…"
Oct 1, 2018
John Nicholas posted a discussion
I use REM for HERS Ratings.   There is the option for a User Defined Reference Home for comparison purposes.   There is no adopted energy code in my service area,  Wichita KS.  There is a builder assumed general perception that most homes have R-30…
Sep 27, 2018
John Nicholas replied to John Carton's discussion Insulation touches underside of roof in home with no soffit or soffit venting.
"I have inspected attics where some but not all of the 4x8 roof deck has been replaced.  I noted large amounts of black mold on deck panels that were not replaced.  On those replaced,  I noted black streaks or stains from the nail points penetrating…"
Sep 27, 2018
John Nicholas replied to Jerry Needham's discussion Condensation on ceiling and walls of master bedroom
"Jerry,
;Have you opened the cathedral ceiling?  "
Sep 20, 2018
John Nicholas replied to Julie Saporito's discussion Tankless water heating and existing gas lines
"Whe I personally installed my gas demand unit in 2010, they had to bring a 3/4 inch line to it, instead of the 1.2 inch line.    I had a 1 1./4 service entering the house, was not a serious issue.  Installed the same day the meter reader was there. …"
Sep 6, 2018
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