Terry D. Davenport
  • Male
  • Victor, MT
  • United States
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Latest Activity

Terry D. Davenport replied to Doug Horgan's discussion Geothermal real-world performance
"Hi Richard. Radiant engineering in Bozeman MT designed the closed loop glycol system using Caleffi colectors and a crown 120 gal stainless water storage tank.   The house is 1400 ft2.  r 70 walls and roof.  R 40 slab…"
Apr 18, 2013
Terry D. Davenport replied to Doug Horgan's discussion Geothermal real-world performance
"Hi Leonard.  May I recomend a solar thermal combi system.  It heats the domestic hot water and uses the excess heat stored in that water to heat the home at night time.  I have one system on a heavily insulated home (R 70 walls/ roof,…"
Apr 18, 2013
Terry D. Davenport replied to Sean Lintow Sr's discussion Cool Roofs vs Radiant Barriers - Options that work in the group Best Practices (Residential)
"I think that radiant barriors really work.  I wonder what the real amount of energy that is reflected really is.  If you look at a piece of foil faced foam with an infrared camera it lights up.  I also know that the latest rage in…"
Oct 12, 2011
Terry D. Davenport commented on Macie Melendez's blog post Replacement Windows for Dummies
"American windows forget about solar heat gain.  German windows  have the solar gain and the good u values.  I have been told you cannot do a Passivhaus with American windows because of  this.  It costs ten grand to ship them…"
Sep 28, 2011
Terry D. Davenport replied to Kent Mitchell's discussion Beyond code wall system? in the group Best Practices (Residential)
"Hi Jeff, I think your wall system will work really well.  I'm thinking the treated 3/4" plywood strips will bend into the foam when screwed with the Timberloks.  Maybe you could use 1x4's.  How wide are your…"
Sep 8, 2011
Terry D. Davenport replied to Kent Mitchell's discussion Beyond code wall system? in the group Best Practices (Residential)
"Hi ya, Sean. Thanks for the appreciation!  I know about using I-joists for studs.  I'm trying to lower my walls construction costs.  9.5" I joists cost $1.28 per lineal foot, where a 2x10 #2 costs me…"
Sep 8, 2011
Terry D. Davenport replied to Kent Mitchell's discussion Beyond code wall system? in the group Best Practices (Residential)
"Hi Kent. What I like to do to afford a better wall is make the home smaller.  So now there is money to do the wall much better.  I draw plans so I have some control here. I also frame the home too.  I could be a wise guy and…"
Sep 6, 2011
Terry D. Davenport replied to Sean Lintow Sr's discussion Cool Roofs vs Radiant Barriers - Options that work in the group Best Practices (Residential)
"  Well I do not live in a Florida like climate.  I live in western Montana, but I'll give it a shot.  We sometimes use what's called a cold roof here to vent the roof better, The idea is to prevent ice daming on the eves in…"
Sep 6, 2011
Terry D. Davenport replied to Bachi Brunato's discussion Savings for Conditioned Crawlspaces
"Hi again Ed, I have been all excited to measure ground temperature in the last couple a' days.  My Caleffi idronics came in the mail, and it is on heat pumps.  So I found my old notes, and on Dec. 31, 2010, I measured my…"
Aug 29, 2011
Terry D. Davenport replied to Bachi Brunato's discussion Savings for Conditioned Crawlspaces
"Hey there, Ed.   I think the house is 1200 ft2 on the inside and since the wall wound up 22" thick, it is 1400 ft2 on the outside.  Hamilton MT is around 7700 heat degreee days.  The Ravalli Electric Co Op used to cost 5.3…"
Aug 29, 2011
Terry D. Davenport replied to Bachi Brunato's discussion Savings for Conditioned Crawlspaces
"Hi Ed.  Great point in allowing for expansion and contraction of concrete. I am always pouring against an ICF foam wall.   This is easily forgotten about.  You have reminded me of a detail that I thought of when desigining…"
Aug 29, 2011
Terry D. Davenport commented on BMI - Tami Svarfvar's video
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Water Heating: Brad Oberg - Part 2

"Interesting stuff.  In one house that I constructed for a client, I had the sparky electrician install a motion sensor in the bathroom so when soneone came in to use the toilet, the motion sensor fired up a circulating pump to send hot…"
Aug 28, 2011
Terry D. Davenport replied to Bachi Brunato's discussion Savings for Conditioned Crawlspaces
"Hi Bud.  I was actually talking about a crawl space under a wood sub floor, quite typical here in western Montana.  I was interested in insulating the I-joist floor system to cut down heat losses to the ground.  I agree that the air…"
Aug 28, 2011
Terry D. Davenport joined Sean Lintow Sr's group
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Best 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
Aug 25, 2011
Terry D. Davenport replied to Bachi Brunato's discussion Savings for Conditioned Crawlspaces
"Hi Bachi.  I have had lots of practice doing crawl spaces.  You could figure it using math. I just tried to get the homeowner and the general contractor of a home that I did the ICF crawl space walls for to insulate the…"
Aug 25, 2011
Terry D. Davenport just added their location.
Mar 31, 2011

Profile Information

Company
Natural Housebuilders, Inc.
Professional Certification
Energy Efficient Home Builder
Professional Interests
Low carbon footprints, energy efficiency, construction tools / equipment, passivhaus.
Website URL
http://naturalhousebuilder.net
Facebook Page
Terry D Davenport

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At 7:47am on April 1, 2011, Diane Chojnowski said…

Hi Terry,

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!


Thanks!
Diane, HEP Moderator

 
 
 

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Bob Blanchette posted a discussion

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Shashank Kirloskar posted a blog post

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reflintorm replied to Dennis McCarthy's discussion Solid state lighting - saves lives- and it improves life .
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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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