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Another thermal bypass:
Attachment 322161
These ever rust out? What happens then??
Attachment 322171
Ever wonder why mobile homes have big energy bills?
Attachment 322211
So that sliced up road barrier and filterglass insulation, that's an open plenum return??!
Attachment 322291
Yep, this is in a crawlspace 50% connected to outdoors, with 550 cfm25 leakage on the returns:
Attachment 322301
And for a break from inside shots:
How HVAC guys can tell the problem's not on their end:
Attachment 322321
Think things might be getting rotten in Denmark?
Attachment 322311
Which one doesn't look like the others...
Attachment 322471
How's this lookin?
Attachment 322371
AND,
Right across the street, on the same day:
Attachment 322411
(Yeah, I spray foamed that attic, how'd you guess?)
I'm guessing the icicles are from condensation? Damn glad we don't have winters like that down here! Looks like that would destroy a house.
CT
the ice is from heat loss.
The attic heats the snow load on the upper level of the roof and melts it. As the water rolls down the roof line it hits the soffet area of the roof line and because the soffet is the same temp as the outside temp it refreezes and creates the ice dams.
Interesting. I just built a house and had all the roofs foamed. Looked at my roof this morning. 34 degrees out, light frost on all the shingles, 68 inside. I'm impressed!
CT
Some great pics here:
http://homeenergypros.lbl.gov/group/hallofshame
IE:
Attachment 330941
Sadly they were humorous. Just as bad as our "Wall of Shame".
CT