Air leakage seminar with a special introduction to large building testing
November 28, 2012 all dayAir leakage seminar with a special introduction to large building testing
November 19, 2012 all dayAir leakage training with a special introduction to large building testing
November 15, 2012 all day
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Silvie Votrubova
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Silvie Votrubova's Discussions
Trick for those who have ever input the wrong range on their gauge - blower door tech
2 Replies
I switched the Range Ring, but forgot to change the Range setting on my gauge. I recorded the Flow and left the site – do I have to re-test? Thankfully, NO, there’s an easy fix. Just use the flow…Continue
Started this discussion. Last reply by Silvie Votrubova Jun 14, 2012.
Codes, codes & more codes
Come by to check out our latest newsletter featuring building code related stories. If you're interested in receiving the…Continue
Started Apr 30, 2012
Before and after leakage tests. What to expect.
2 Replies
Your before-test result is 4000 CFM50. After two days of work, you measure a 21% reduction to 3150 CFM 50. Your after-test is checked using another blower door and they only get a 4% reduction to…Continue
Started this discussion. Last reply by Silvie Votrubova Nov 28, 2011.
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Silvie Votrubova replied to Silvie Votrubova's discussion Trick for those who have ever input the wrong range on their gauge - blower door tech"That's a great suggestion Dale."
Dale@EnergyWright replied to Silvie Votrubova's discussion Trick for those who have ever input the wrong range on their gauge - blower door tech"That's a good solution for correcting the error after leaving the site.
I recommend changing the order of your range correction procedure. When your gauge calls for the next smaller ring, change the gauge setting first, then install…"
Silvie Votrubova posted a discussionTrick for those who have ever inputed the wrong range on their gauge - blower door tech
I switched the Range Ring, but forgot to change the Range setting on my gauge. I recorded the Flow and left the site – do I have to re-test? Thankfully, NO, there’s an easy fix. Just use the flow chart for your fan to locate the correct results! Let’s say you read 33 CFM with your gauge set to Mid. But, yikes, later you remembered your DucTester actually had the Low Range Ring attached. You recorded 33 CFM.Find the 33 CFM you recorded under the “Mid“ Range column on the flow table. Then, just…See More
Silvie Votrubova posted a discussionCodes, codes & more codes - check out our latest newsletter on building codes
Come by to check out our latest newsletter featuring building code related stories. If you're interested in receiving the newsletter on monthly basis either email me directly, or send me a message through Home Energy Pros.If you have an idea for a story, or have a topic you would like to see discussed, please let me know.Silviesilvie@retrotec.comSee More
Silvie Votrubova replied to Jack Baikoff's discussion Leakage to outside on ducts fully within the envelope"
Hi Jack,
I spoke with Colin, the president of Retrotec, to get his opinion on the matter. Here is what he had to say:
"On the surface of the issue, it may appear to make no sense to do a duct leakage test to outdoors if the ducts…"
Silvie Votrubova posted an event
Large Building Air Leakage Training at Seattle
May 18, 2012 all day
Seattle code now requires all commercial buildings be tested for air tightness. Spaces are limited! Register now and get all your large building testing questions answered!The Air Barrier Solutions 2012 Seminar (hosted by BCRA) is taking place in Seattle, May 16th & 17th, 2012. Retrotec is excited to attend this informative event that covers air barrier system requirements, development, testing, and sustainability –…See More
Silvie Votrubova's video was featuredHow a Blower Door Works
Training video part of Building Pressure training DVD available through http://buildingpressure.org/
You can also ask your Retrotec sales rep for a copy.
Silvie Votrubova posted a videoHow a Blower Door Works
What is the basic science and technology behind how a blower door (door fan) works
Silvie Votrubova replied to Grant Salmon's discussion Mid/High Rise ACH Question in the group Multifamily Buildings"Hi Grant,
I checked with our tech support department and here' what they had to say.
The short answer is no. The wind and stack coefficients that are used in the n-factor calculations are empirically determined from many experiments. There is…"
Silvie Votrubova replied to Silvie Votrubova's discussion Before and after leakage tests. What to expect."Appreciate the feedback William. The piece comes from our newsletter, if you're not on the list and want to get on, just let me know. Thanks."
William H Nickerson replied to Silvie Votrubova's discussion Before and after leakage tests. What to expect."Good job putting up this post.It puts a better view on accurcy.I watched a video of a guy who had some serious time in this field and he says we should do 10 individual single point tests -EVERY TIME?.I think this puts that in perspective."
Silvie Votrubova replied to Thomas Price's discussion Multi Family Auditing"Another message from Colin regarding the latest comments:
"There is a big leap from testing an entire Multi-Family building with 8 blower doors and using a smoke pencil and a gauge. Surely there must be middle ground if we could develop…"
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Silvie Votrubova's Videos
Silvie Votrubova's Blog
Duct Testing Accuracy
Did you know you can test the accuracy of your equipment before you get on site? As a manufacturer, we often get tech support calls from auditors who are on site, and wondering if their equipment is providing an accurate reading. Thankfully, there is an easy way to test both your duct tester and gauge, regardless of manufacturer, before you get on site. There is, after all, nothing worse than showing up on site, and not being…
ContinuePosted on December 10, 2010 at 6:00am — 1 Comment
Comment Wall (1 comment)
- At 10:50am on December 4, 2010,
Diane Chojnowski said… - Welcome to Home Energy Savers. We're happy to see people from Canada here! It would be great if you would add your location to the Member Map.
Thanks,
Diane
Home Energy Pros
Home Energy Pros was founded by the developers of Home Energy Saver Pro (sponsored by the U.S. Department of Energy, under the American Recovery and Reinvestment Act) and brought to you in partnership with Home Energy magazine.
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Isaac Savage's event was featured
Duct Testing Training & Certification ONLINE - 2009/2012 IECC Code Compliance at Online
February 11, 2013 to February 11, 2014
Craig Savage's video was featuredWhat is a Heat Pump Water Heater
A simple animation describing how a heat pump water heater works
© 2013 Created by Lawrence Berkeley National Laboratory.
