Mechanicals

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Frost on distribution duct 3 28 weeks 6 days ago
by Lucas Durand - 7A
28 weeks 6 days ago
by Chris Brown
I have a question about sizing ductless for cooling 4 29 weeks 3 hours ago
by Andre Jones
28 weeks 5 days ago
by Andre Jones
1 or 2 heat-pump water heaters? 3 29 weeks 7 hours ago
by Daniel Herskowitz
28 weeks 6 days ago
by Dana Dorsett
Only an inch gap below interior door — is that enough to promote air return in a bedroom with a closed door? 1 29 weeks 4 days ago
by Fabiano Pita
29 weeks 3 days ago
by Martin Holladay, GBA Advisor
Edwards valance? 1 29 weeks 5 days ago
by Jerry Liebler
29 weeks 5 days ago
by Martin Holladay, GBA Advisor
Can an 80% efficiency furnace be installed in an attic in zone 6B? 1 29 weeks 6 days ago
by Anne Sullivan
29 weeks 5 days ago
by Martin Holladay, GBA Advisor
What is unbalanced? 1 30 weeks 6 days ago
by John H. Stehman
30 weeks 5 days ago
by Martin Holladay, GBA Advisor
HRV: connect to the air handler or not? 3 30 weeks 6 days ago
by Dave Morgan
30 weeks 5 days ago
by Dave Morgan
Ventilating dehumidifier - program settings? 3 31 weeks 5 days ago
by J Heckmann
31 weeks 5 days ago
by Martin Holladay, GBA Advisor
Why are my windows wet? 4 32 weeks 21 hours ago
by Jeffrey Lyon
31 weeks 6 days ago
by Martin Holladay, GBA Advisor
Minisplit blowers mounted low or high? 2 32 weeks 1 day ago
by Daniel Herskowitz
32 weeks 13 hours ago
by Dana Dorsett
Are cupolas worth considering on a well insulated home for ventilation? 5 32 weeks 2 days ago
by russell berenson
31 weeks 2 days ago
by Keith H
Help me understand my Manual J 10 32 weeks 5 days ago
by jason c
32 weeks 14 hours ago
by Dana Dorsett
Gas heated steam radiator system 4 32 weeks 6 days ago
by Daniel Herskowitz
32 weeks 1 day ago
by Daniel Herskowitz
Can copper sulphate be removed from water supply? 3 33 weeks 4 days ago
by phillip rhudy
33 weeks 2 days ago
by Nelson Labbe
Our water heater needs to be replaced and we are considering getting a heat-pump water heater 5 34 weeks 2 days ago
by Leah Marshquist
34 weeks 2 days ago
by Nick Welch
This is definitely more of a diagnostic repair question than a green building question but I think you all might like the challenge. 4 34 weeks 3 days ago
by David Fleuchaus
31 weeks 20 hours ago
by David Meiland
Off-the-electrical-grid propane water heaters -- either tankless or tank 1 34 weeks 3 days ago
by Mike Pease
34 weeks 2 days ago
by Martin Holladay, GBA Advisor
Can I put a ductless mini split condensor/compressor in an unconditioned cellar? 9 34 weeks 5 days ago
by Daniel Herskowitz
34 weeks 14 hours ago
by Dana Dorsett
Relocating drains to maximize drain water heat recovery 10 35 weeks 5 days ago
by Nick Welch
35 weeks 7 hours ago
by Malcolm Taylor
Is a hybrid heat-pump water heater worth it in a basement in the SE? 4 36 weeks 1 day ago
by Brad Abernethy
35 weeks 5 days ago
by Dana Dorsett
Radon in well water 4 36 weeks 6 days ago
by tom ruben
36 weeks 6 days ago
by Martin Holladay, GBA Advisor
Tracking HRV energy 1 37 weeks 2 days ago
by Hobbit _
37 weeks 2 days ago
by Martin Holladay, GBA Advisor
Heat & cool new PGH house w/ one mini split head & ERV? 8 37 weeks 4 days ago
by Christopher Vernott
37 weeks 1 day ago
by Dana Dorsett
Thermostat or thermostats for 3 zones of hydronic and forced air 3 37 weeks 6 days ago
by Nick Zees
37 weeks 2 days ago
by Nick Zees
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