eric anderson
  • Andover, CT
  • United States
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Latest Activity

eric anderson replied to Stephen Standley's discussion Which reading is more reliable on a Minneapolis Duct Blaster?
"Just checking all the bases.  Did you remember to switch configurations on the dg 700 to account for the different rings?  That would certainly make a difference.   I built a test box- 2 ft square where the duct blaster attaches to…"
Aug 7
eric anderson replied to Tom Conlon's discussion Whole House Fans - Love 'Em or Not?
"In Connecticut’s climate, I am not in favor of them . Either they are the big old style that move 3-5000 cfm and are not easily insulatable, or they are newer ones that seal  and are somewhat insulated, but move a lot less air. I just…"
Jul 28
eric anderson replied to Dan Wise's discussion Convert BTU/hr in a Manual J to actual fuel usages
"Morgan, From the perspective of the energy auditor, I don’t agree with that statement. “Actual fuel and electrical usage" is anecdotal at best” Unless you change something, the best predictor of future energy usage is past…"
Jun 19
eric anderson replied to Dan Wise's discussion Convert BTU/hr in a Manual J to actual fuel usages
"Bud, I think these 2 articles will help illustrate the difficulties of modeling energy usage. http://www.nrel.gov/docs/fy11osti/51603.pdf http://www.sustainablybuilt.com/SB_Modeling_Software_Presentation.pdf The first speaks to the common …"
Jun 18
eric anderson replied to Dan Wise's discussion Convert BTU/hr in a Manual J to actual fuel usages
"Bud, The question was how to translate- from design heat loss calculated by using  ACCA manual J protocol to a yearly fuel usage.   I outlined a crude way to do it.  Is it perfect? Nope.  There are a lot of caveats to…"
Jun 15
eric anderson replied to Dan Wise's discussion Convert BTU/hr in a Manual J to actual fuel usages
"Dan, As a ballpark figure, take the design heat loss and divide by design temp difference, this gives you btu’s per °F per hour.  Multiply this number by 24 hours (per day) and then multiply by heating degree days to get yearly …"
Jun 13
eric anderson replied to Kaushal Bharath Raju's discussion On the Question of Airtightness and Energy Performance
"Older buildings typically  are 6-15 ACH50   worst I have personally tested was 17 ach50.  The energy loss  scales ~ linearly with ACH50 so If you go from  17 to 1.7, the heat loss from air leakage is reduced 10 fold.…"
Apr 30
eric anderson replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"Graham, That is why I called out the air tightness specifically.  Why stop at 0.6 ACH50? Why not 0.006 ACH50?   I will lay out my rationale for 1.5 being a good number. Think about it this way, the OP has a 1000 SF ranch.  …"
Apr 30
eric anderson replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"I think in all this you are getting bogged down in the law of diminishing returns We are talking about a small house, in a sub 3000 heating degree day climate.    If we took my own house ~ 2200 sf of conditioned space, and plunked it…"
Apr 30
eric anderson replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"David you are right of course-  that is why I made no claims as to the accuracy, I called it a half assed plan.  I don’t know Cali- at all.  I have not set foot in the state in 28 years.  From what I remembered  it was…"
Apr 21
eric anderson replied to Kaushal Bharath Raju's discussion Affordability & Deep Energy Upgrade/Passive House Retrofit in Berkeley, California.
"This is my no calculations half assed energy based  renovation suggestions- First off, Berkeley is a mild climate, If I lived there I might not even bother with heating.   For a small house a Minisplit heat pump system is a no brainer…"
Apr 21
Diane Chojnowski left a comment for eric anderson
"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…"
Nov 6, 2013
eric anderson replied to Craig Bird's discussion Insulation/venting/air barrier for cathedral ceiling
" I would cut  1 inch strips of 3/4” pine as spacers  to go between rafters and use 3/8” plywood ripped to 14 ½  to create a ridged air channel from soffit to ridge vent, foamed edges to airseal. I would add…"
Oct 24, 2013
eric anderson is now a member of Home Energy Pros
Oct 23, 2013

Profile Information

Company
Think Energy CT LLC
Professional Certification
BPI Building Analyst

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At 3:13pm on November 6, 2013, Diane Chojnowski said…

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 add your profile photo and be sure to put your location on our Member Map!


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Diane, HEP Moderator

 
 
 

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Latest Activity

Steve Waclo posted a discussion

Underperforming? Energy Efficiency of HVAC Equipment Suffers Due to Poor Installation

Hello all,A search of the site seems to indicate this recently published study from NIST has not…See More
1 hour ago
Steve Waclo joined Allison A. Bailes III's group
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HVAC

HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements,…See More
2 hours ago
Bob Blanchette posted a discussion

Dual Fuel Systems, at what point do they make sense?

Heat Pump with furnace backup. These make no sense in our area with local NG rates, but they do…See More
15 hours ago
Bob Blanchette joined Hal Skinner's group
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The RCC Classroom (Radiant Control Coatings)

A group where energy professionals can learn about all the different energy saving aspects of…See More
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Shashank Kirloskar posted a blog post

Important Facts about Solar Energy

“I’d put my money on the sun and solar energy. What a source of power! I hope we don’t have to wait…See More
Thursday
reflintorm replied to Dennis McCarthy's discussion Solid state lighting - saves lives- and it improves life .
"In my observation, In most of the lightning appliances led bulbs are used because of their…"
Thursday
Chad Mcaulife posted photos
Wednesday
Bob Blanchette commented on Jeremy Begley's blog post The Home Envelope : Does it Really Matter in a Heat Loss Calculation
"Infiltration makes a HUGE difference. Look at the heat loads on a windy day vs. a calm one. On a…"
Wednesday

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