"Eric, I have been looking also. From what I've seen I think the savings for me will be significant.
The things you need to do a comparison:
1. The system head and flows, pipe diameters, etc...
2. The current motor…"
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Eric Sperline
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- Renton, WA
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Eric Sperline's Groups
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Best Practices (Resident…
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Energy Auditing Equipmen…
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Eric Sperline's Discussions
Floor insulation attachment
16 Replies
I'm wondering if anyone out there has come across specific language for the attachment of fiberglass insulation over an unconditioned crawl space. I realize there are various ways to accomplish…Continue
Started this discussion. Last reply by Robert Riversong Oct 18, 2012.
Hot water re-circ systems
18 Replies
For those of you who are conducting residential energy assessments; are you recommending "on demand" hot water re-circ. systems? I'm finding that many of my customers waste a ton of water while…Continue
Started this discussion. Last reply by tedkidd Apr 28, 2012.
Commercial Energy Auditing Software
2 Replies
I'm wondering if any of you Energy Pro's out there have experience with commercial energy auditing software that would include multi-family buildings? Are you using software that you would feel…Continue
Started this discussion. Last reply by Barry Kroeker Jan 27, 2012.
Residential ventilation levels
38 Replies
I'm looking for clarification on required ventilation levels in residential settings. For instance if I have a home that indicates an ach rate of considerably less than .35 that would suggest the…Continue
Started this discussion. Last reply by Robert Riversong Sep 16, 2012.
Eric Sperline's Page
Latest Activity
Dennis Heidner replied to Eric Sperline's discussion Variable Frequency Drive controllers in the group Best Practices (Residential)
Eric Sperline replied to Todd Ewald's discussion Slightly used Energy Auditing equipment for sale in the group Energy Auditing Equipment for Sale, Trade or to Purchase"How much do want for a complete blower door set up?"
Eric Sperline replied to Bud Poll's discussion Ridge Vent NFA in the group Best Practices (Residential)"Good point. It depends on the product."
Eric Sperline replied to Bud Poll's discussion Ridge Vent NFA in the group Best Practices (Residential)"You bring up a good subject. I think the manufacturers recommendations are best. As a building inspector for many years I saw many of these installations where the ridge opening was 3/4" or less. The manufacturers state that the…"
Sean Lintow Sr replied to Eric Sperline's discussion Variabe Frequency Drive controllers in the group Best Practices (Residential)"Forgive me as it has been awhile as I hardly see any pools around here, but one must remember that not all VFD's work with all motors so this is one major consideration.
Retrofitting is dependent on location & type - a variable speed pump…"
Bill Smith replied to Eric Sperline's discussion Variabe Frequency Drive controllers in the group Best Practices (Residential)"Eric, I'm not familiar with pool pumps in particular but in general VFDs provide savings for situations where there are variable loads. I thought pool pumps were just on/off applications.
A typical scenario is a hydronic system with multiple…"
Eric Sperline added a discussion to the group Best Practices (Residential)
Variabe Frequency Drive controllers
Would anyone out there happen to have experience with a retro-fit VFD controller for a pool pump system? I'm interested in the complexity of the the retro-fit as well as the measured savings.See More
Eric Sperline joined Sean Lintow Sr's groupBest Practices (Residential)
Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what needs to find it's way to the dust bin of history?See More
Eric Sperline added a discussion to the group Energy Auditing Equipment for Sale, Trade or to Purchase
Solar Gain/Low E detector wanted
If you happen to have a Solar Gain/ Low E meter for glazing and wish to sell it, please let me know through this forum.See More
Robert Riversong replied to Eric Sperline's discussion Floor insulation attachment"I like some headroom, too.
"
David Meiland replied to Eric Sperline's discussion Floor insulation attachment"Robert, you can save time by simply jacking one edge of the house. Lift it enough to slip all of the foam board into the crawl space, then lower it.
I like the idea of jacking several feet, though. When I retrofit a foundation to my old house, I…"
James Canter replied to Eric Sperline's discussion Floor insulation attachment"That all makes sense. Having spent the last 20 years building and remodeling homes and only the last 4 concentrating on building science and weatherization, I am still trying to figure out what many of you veterans have already learned. I…"
Sean Lintow Sr replied to Eric Sperline's discussion Floor insulation attachment"Thanks Robert & yes I am but that doesn't apply to the here, now or the question posed.
As for the question about the kraft - no matter where you are at, if one is going to use such a product the last thing you want is water…"
Robert Riversong replied to Eric Sperline's discussion Floor insulation attachment"I assume you're aware of the latest Building Science rant from Dr. Joe in which he argues against the requirement that insulation be in contact with subfloor (I excerpt it here at…"
Sean Lintow Sr replied to Eric Sperline's discussion Floor insulation attachment"See section 3.2 of the ENERGY STAR TERC guidelines
From the "Retrofit Workforce Guidelines" (which are still in critical care & unavailable at the moment - but from my review)
7.36 Accessible Floors (between conditioned &…"
Robert Riversong replied to Eric Sperline's discussion Floor insulation attachment"That depends on the permeability and leakiness of the floor above - will mop water or spills seep through? - and on the RH below. If the crawl space has a dirt floor with no VB or has any leakage from the outside, then you can bet the RH will be…"
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Comment Wall (3 comments)
- At 7:13pm on April 13, 2012,
Tyson Pischel said… Looking forward to heading back your way soon. I am really curious to know your take on the ventilation strategy that Kleiman used in the homes for Pioneer Pacific. Do you know where they came up with that system?
- At 10:26am on March 27, 2012,
Bob Freer said… Hi, Eric. I have a Testo 327 that has only been used 5 or 6 times. I'm willing to sel it for $700. I know it is not exactly what you are looking for, but if you are interested, call me. I'm in Tukwila. You can reach me at 253-508-3542.
Bob
- At 11:23am on November 8, 2011,
Diane Chojnowski said… Hi Eric,
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
Home Energy Pros
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Discuss the pros and cons of the equipment you are interested in prior to purchase. Post equipment…See More
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peter chang replied to peter chang's discussion Electrical system data loggers"Thanks, this is proving very fruitful. I have a lot to learn but this will get me started in the…"
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The Residential Green and Energy Efficient Addendum is a form used to standardize the reporting of…See More
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