Energy efficiency and durability

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If a home will run on 100% solar electricity, is it still wise to spend extra $$ to make the home LEED or Passive certified? 1 29 weeks 2 days ago
by Eddie Bautista
29 weeks 1 day ago
by Martin Holladay, GBA Advisor
If a Passive House is so cost-effective, why isn't everyone doing it? 25 1 year 3 weeks ago
by Anders Lewendal
1 year 3 days ago
by Anders Lewendal
If I have a 5 1/2 in. square framing bay and the exact same 5 1/2 inch square batt, does it matter which way I install it? 5 5 weeks 3 days ago
by rich graves
5 weeks 2 days ago
by rich graves
IF Not .... Then Why Not ? 23 27 weeks 4 days ago
by John Brooks
27 weeks 7 hours ago
by Keith H
If slab edge thermal break is inside the stem wall except for at door openings, how far past the opening should I extend an exterior thermal break in those door locations? 2 25 weeks 5 days ago
by Rick Van Handel
25 weeks 4 days ago
by Rick Van Handel
If you were to replace your windows what material would you use for the frame and would you use a double pane with Argon? 0 31 weeks 5 days ago
by Janet DeMars
n/a
If you were to replace your windows what material would you use for the frame? 2 31 weeks 5 days ago
by Janet DeMars
31 weeks 4 days ago
by Jin Kazama
If you're interested in ASHRAE 62.2 and existing buildings, you should check out this email string 3 2 years 19 weeks ago
by Carl Seville, GBA Advisor
2 years 19 weeks ago
by aj builder, Upstate NY Zone 6a
Improvement of older windows... 3 30 weeks 1 day ago
by Howard Gentler
29 weeks 3 days ago
by Howard Gentler
Improving attic insulation in 1.5 story Cape 9 2 years 29 weeks ago
by Dustin Hotaling
2 years 29 weeks ago
by Dustin Hotaling
Improving R-value of 2x4 wall in renovation with interior foam board 4 4 weeks 5 hours ago
by Eric Nash
3 weeks 2 days ago
by Keith H
Improving windows on older brick house 1 1 year 38 weeks ago
by Jon Kilpatrick
1 year 38 weeks ago
by Martin Holladay, GBA Advisor
In a cold winter climate (Traverse City, MI) does a mini-split ducted heat pump system make sense over a GSHP? 1 4 years 49 weeks ago
by Anonymous
4 years 49 weeks ago
by Martin Holladay, GBA Advisor
In a warm climate, what are the advantages and disadvantages of spray foam versus radiant barrier in attics? 3 4 years 24 weeks ago
by Anonymous
4 years 24 weeks ago
by Michael Blasnik
In new construction would the blown in /with glue cellulose insulation be the best to elliminate setteling and air gaps in wal 1 4 years 26 weeks ago
by Anonymous
4 years 26 weeks ago
by Anonymous
In search of the elusive "perfect wall" assembly 7 1 year 20 weeks ago
by Sal Lombardo
1 year 20 weeks ago
by Sal Lombardo
In zone 4A, would I be OK to put 1.5" of closed SPF under my roof deck with unfaced R-38 below that? 4 2 years 31 weeks ago
by Matt Black
2 years 31 weeks ago
by Martin Holladay, GBA Advisor
Incorrectly installed spray foam remediation? 6 37 weeks 6 days ago
by Brad Dorken
37 weeks 5 days ago
by Brad Dorken
Incrementally Increasing Insulation in PNW Walls 23 1 year 43 weeks ago
by Malcolm Taylor
1 year 42 weeks ago
by Malcolm Taylor
Inexpensive heat transport? 2 3 years 36 weeks ago
by Pete Koszulinski
3 years 36 weeks ago
by Martin Holladay, GBA Advisor
Infiltration rating of ICF 7 2 years 48 weeks ago
by Jesse Lizer
16 weeks 6 days ago
by Dana Dorsett
Info on Inject-A-Seal foam 1 3 years 32 weeks ago
by Jonathan Beers
3 years 32 weeks ago
by Curtis Dean
Injected foam insulation 4 4 years 7 weeks ago
by Roberta Atkins
4 years 7 weeks ago
by Anonymous
Insect screen for an exterior rigid foam wall 1 7 weeks 3 days ago
by Randy Mason
7 weeks 3 days ago
by Malcolm Taylor
Install deck ledger with 2" rigid foam on exterior? 2 1 year 11 weeks ago
by Karen Twidwell
1 year 11 weeks ago
by Karen Twidwell
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