"Hi Tim.
Adding ventilation addresses the cause of the mold, maybe, but where the mold developed may be well beyond the kneewalls.
Where is this house located (approximately), and how many years has this mold issue been going on? It is now a…"
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Bud Poll
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Bud Poll's Discussions
HDD and internal gain.
3 Replies
HDD and internal gain.Using a standard 5° allowance for internal gain, base 65°, is a rough enough approximation from the start. But to use it for both test-in and test-out introduces a known…Continue
Started this discussion. Last reply by Bud Poll May 16.
Controlling Passive Air Flow
77 Replies
I'm opening a separate discussion under a new thread as this one: …Continue
Started this discussion. Last reply by Robert Riversong Sep 27, 2012.
Using The Sciences To Our Advantage
25 Replies
This is an offshoot from Hal's thread on the need for better classification of radiant barriers:…Continue
Started this discussion. Last reply by Robert Riversong Sep 3, 2012.
The Short-Circuit Theory, Keep or Remove Those Gable Vents?
21 Replies
When a ridge vent is added to a house that already has gable and soffit vents, you may hear advice that goes something like this."You must remove or close off those gable vents to avoid short…Continue
Started this discussion. Last reply by Bob Blanchette May 8, 2012.
Bud Poll's Page
Latest Activity
Bud Poll replied to Mike Kandel's discussion June's Stump the Chump: What's Wrong with this Picture?"Hi Mike,
The first problem with the picture is, it isn't clear what it is a picture of. Is that an inside IR looking at the house, or looking back out at those (?) windows, or whatever is behind the plywood?
Bud"
Bud Poll replied to peter chang's discussion Electrical system data loggers"Definitely a different customer group as mine have always been looking for savings. And that is one of the reason why most would be unhappy. They would end up paying me and still have the high electric bills. And still believe…"
Bud Poll replied to peter chang's discussion Electrical system data loggers"Peter,
if you create a database with all things electrical and a column for ratings and measured power consumption, you will be able to accumulate information over time that will make your job easier and more accurate. With that database or…"
Bud Poll replied to peter chang's discussion Electrical system data loggers"Peter, is your objective personal or an offering for customers? After the first run through what each appliance uses I have found it unnecessary to continue monitoring them. And, the initial use can in most cases be simply…"
Bud Poll replied to Nick Helmholdt's discussion How to Add a Passively Cooled Wine Cellar?"Hi Nick,
While you wait, I'll keep the thread open. One of my concerns would be circulating air into the ground to be cooled could also create an accumulation of moisture with all of the musty related problems. And it would not be…"
Bud Poll replied to Bachi Brunato's discussion Boxing and Insulating Around Non-ICAT Cans"This is a topic I have discussed many times, but unfortunately cost is all too often the deciding factor, and it should not be. Code and safety are top priorities. What I have drawn from those conversations is, not all fixtures have been tested and…"
Bud Poll replied to Bud Poll's discussion HDD and internal gain."Hi James,
The BizEE web page deals with the inaccuracies of selecting a particular base for one's HDD. What I'm pointing to is the additional error created by presuming the same base used on test-in will be appropriate for test-out. A base…"
James McGarvey replied to Bud Poll's discussion HDD and internal gain."Heating degree days are very miss used. Here is good article on subject http://www.energylens.com/articles/degree-days
Base temperature is when a house can not keep up with the heat loss with internal gains. I have built close…"
Bud Poll replied to Bud Poll's discussion HDD and internal gain."Here's some added thinking/questions.
Q. Does anyone have any real numbers on internal gain and what is and is not considered the source?
Q. Do the majority of EE programs use base 65 and is it used for both test-in and test-out?
Q. If base…"
Bud Poll's discussion was featuredHDD and internal gain.
HDD and internal gain.Using a standard 5° allowance for internal gain, base 65°, is a rough enough approximation from the start. But to use it for both test-in and test-out introduces a known error. Since the math for that -5° produces a percentage of the heat loss, the "new and improved home" results in a smaller test out allowance for internal gain. My thoughts are, we should try to be consistent and use the same allowance for both before and after tests, adjusted for any known…See More
Bud Poll posted a discussionHDD and internal gain.
HDD and internal gain.Using a standard 5° allowance for internal gain, base 65°, is a rough enough approximation from the start. But to use it for both test-in and test-out introduces a known error. Since the math for that -5° produces a percentage of the heat loss, the "new and improved home" results in a smaller test out allowance for internal gain. My thoughts are, we should try to be consistent and use the same allowance for both before and after tests, adjusted for any known…See More
Bud Poll replied to Patrick Michaelyan's discussion Hot Upper Stories"Hi Patrick,
Give us a big city so we will know what climate zone you are dealing with, summer and or winter heat. A few years back I worked with a home owner who had over 3' of attic insulation, but his problems hadn't changed. …"
Bud Poll replied to Melissa Baldridge's discussion Changing 80 Percent Furnaces to 90+"Hi Melissa,
I'm sure others will weigh in here, but I always find it interesting to test this change with current and improved energy efficiency. Often the saving for the change is difficult to justify once the home becomes very well…"
Bud Poll replied to Bud Poll's discussion Attic ventilation with mixed soffit heights. in the group Best Practices (Residential)"Bob, what do you use for guidelines for ventilation, 1/300 with 40% high and 60% low? Where do you want the air to enter and exit? I would assume some of your buildings, new and old, have soffits located all over the place, so given your preference…"
Bob Blanchette replied to Bud Poll's discussion Attic ventilation with mixed soffit heights. in the group Best Practices (Residential)"In our area attic ventilation is primarily about not overheating the attic, ice dams aren't an issue for us. There is almost always a breeze of at least 5MPH, south in summer, north in winter. If the wind shifts in the day the temperature can…"
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Comment Wall (1 comment)
- At 1:08pm on June 28, 2011,
Diane Chojnowski said… Hi Bud,
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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Bryce Cramer replied to Mike Kandel's discussion June's Stump the Chump: What's Wrong with this Picture? in the group Building Performance Institute (BPI)"Key is this was done in warm weather. The back wall of the room was also uninsulated, but the lower…"
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