John Nicholas's Discussions (202)

Discussions Replied To (113) Replies Latest Activity

"That is why I went into the detail of the install directions.  You only have to acce…"

John Nicholas replied May 10 to Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?

15 7 hours ago
Reply by Dennis Heidner

"1st:  Read 4.2 and 5.0 of the ESR-1236.   Are all of the conditions for installation…"

John Nicholas replied May 9 to Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?

15 7 hours ago
Reply by Dennis Heidner

"What is on the roofing side?  Asphalt Shingles, roll roofing, etc.   When is it due…"

John Nicholas replied Nov 8, 2018 to Cathedral ceiling with tongue and groove ceiling. Looking for solutions.

4 Nov 29, 2018
Reply by Keith Tripp

"Thank You, Colin!  Those are very good points and processes to do some Zone Pressure…"

John Nicholas replied Oct 19, 2018 to Blower door test for small apartment building

20 Jan 25
Reply by John White

"Scott Katznelson   In 2013,  I had my HERS Field Review completed on a multi-family…"

John Nicholas replied Oct 18, 2018 to Blower door test for small apartment building

20 Jan 25
Reply by John White

"I can use my Duct Blaster on any house that I expect to be less than 1300 CFM throug…"

John Nicholas replied Oct 11, 2018 to Blower door test for small apartment building

20 Jan 25
Reply by John White

"Here are two pictures of the duct blaster fan as a blower door.  1 in a door and 1 i…"

John Nicholas replied Oct 11, 2018 to Blower door test for small apartment building

20 Jan 25
Reply by John White

"What standard are you testing to? Energy Star requires 5 ACH @ 50.   Code is 3.0 etc…"

John Nicholas replied Oct 11, 2018 to Blower door test for small apartment building

20 Jan 25
Reply by John White

"What standard are you testing to? Energy Star requires 5 ACH @ 50.   Code is 3.0 etc…"

John Nicholas replied Oct 11, 2018 to Blower door test for small apartment building

20 Jan 25
Reply by John White

"Next time you final a new house or complete a home energy audit:   Tape off the retu…"

John Nicholas replied Oct 1, 2018 to How to measure room pressures

20 Oct 5, 2018
Reply by John Proctor

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Forum Discussions

How to Insulate Exposed Outdoor Ductwork?? Help

Started by Daniel Baur-McGuire in General Forum. Last reply by Franco Oyuela 12 hours ago. 8 Replies

REALLY????

Started by Danny Gough in HVAC. Last reply by Danny Gough on Saturday. 12 Replies

Where to spend my marketing dollars?

Started by Trip Smith in Marketing. Last reply by Building Performance Institute May 14. 10 Replies

Easy Tests for HVAC during audit

Started by Craig Bird in Weatherization. Last reply by John White May 9. 19 Replies

Water heater ventilation question

Started by Luis Hernandez in General Forum. Last reply by Dennis Heidner May 8. 23 Replies

Polar vortex photos of ice forming INSIDE homes!

Started by Diane Chojnowski in General Forum. Last reply by Michael Cuomo May 4. 1 Reply

LEED for Homes Green Rater Training

Started by Ryan Moore in Training. Last reply by Michael Cuomo May 3. 1 Reply

Latest Activity

Matt Worthy posted a blog post
1 hour ago
Dennis Heidner replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"I believe one of the issues is how does one defend themselves against an HVAC contractor that…"
7 hours ago
Gabriel Perez replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"I’ll give you an a for effort but even in the best cases bubble wrap ( unless it comes with a…"
7 hours ago
Paul Herron replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"I think Ed and his video hit on an important point -- these radiant barriers are primarily…"
8 hours ago
Brett Little posted an event

From Control Layers to High-Performance Enclosures - Free CE Webinar at Webinar Online

May 29, 2019 from 12pm to 1:15pm
High-performance enclosure systems are fundamental to efficient, durable, healthy, sustainable, and…See More
10 hours ago
John S. Rodenhizer replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"Agreed, But this guy fought me all the way. I have completed the rating and the HVAC contractor…"
11 hours ago
Dennis Heidner replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"Links for Build America and Building Science…"
11 hours ago
Dennis Heidner replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"Correct,   but when testing has been done on sealing ducts with wraps... (See the BTO and…"
12 hours ago

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