Mechanicals

TopicRepliesCreatedLast replysort icon
ERV or HRV? 3 3 years 4 days ago
by james magner
3 years 3 days ago
by Martin Holladay, GBA Advisor
Ground-source heat pump — Watts used? 4 3 years 1 day ago
by Rick Jenkins
3 years 1 day ago
by Martin Holladay, GBA Advisor
Solar thermal system and collector choices 9 2 years 51 weeks ago
by Greg Lindstrom
2 years 51 weeks ago
by Greg Lindstrom
Heat, cool, and ventilate an old house in California? 3 2 years 51 weeks ago
by John Mattson
2 years 50 weeks ago
by Martin Holladay, GBA Advisor
What does the ACCA $1100 yearly fee for ENERGY STAR Version 3 go towards? 2 2 years 50 weeks ago
by Brian Knight
2 years 49 weeks ago
by Wes Davis
Can anyone recommend a manufacturer that makes an in-line duct fan that is bidirectional? 1 2 years 49 weeks ago
by Al Cobb
2 years 49 weeks ago
by Martin Holladay, GBA Advisor
Heat source for radiant slab 9 2 years 49 weeks ago
by Graham Mink
2 years 48 weeks ago
by Kevin Dickson, MSME
Has anyone ever set up a solar thermal system to essentially run backwards for Night Sky Radiation Cooling (NSRC)? 6 2 years 48 weeks ago
by Nathan Kipnis
2 years 48 weeks ago
by Nathan Kipnis
Switching to Steffes ETS unit 6 2 years 46 weeks ago
by Mark Pennell
2 years 46 weeks ago
by Mark Pennell
Looking to convert from oil heating and water heating to a solar PV system 8 2 years 44 weeks ago
by CG Vermonter
2 years 44 weeks ago
by thaddeus cox
Solar thermal with in-floor hydronic 13 2 years 44 weeks ago
by Karl Overn
2 years 43 weeks ago
by Karl Overn
Does a properly installed zoned forced air HVAC system required dampers in both the supplies and the returns? 4 2 years 43 weeks ago
by David Adams
2 years 42 weeks ago
by aj builder, Upstate NY Zone 6a
Very Cold Climate -- ERV 17 2 years 45 weeks ago
by Thomas Dresser
2 years 42 weeks ago
by Thomas Dresser
Thermostats with radiant floor heating 5 2 years 41 weeks ago
by Mike Legge
2 years 40 weeks ago
by Mike Legge
$90.00 flow hood? 6 2 years 36 weeks ago
by Michael Chandler, GBA Advisor
2 years 36 weeks ago
by Michael Chandler, GBA Advisor
DHW Thermasiphon vs active 3 2 years 35 weeks ago
by Anthony Kramer
2 years 35 weeks ago
by Kevin Dickson, MSME
Which mini-split has the least ugly indoor unit? 14 2 years 36 weeks ago
by David Meiland
2 years 35 weeks ago
by Jesse Lizer
Where can I find a 1 ton 13 SEER or better central HVAC system? 7 2 years 35 weeks ago
by Jim Clay
2 years 35 weeks ago
by James Morgan
Supply placement in highly insulated home with vaulted ceiling 5 2 years 33 weeks ago
by Patricia Shields
2 years 33 weeks ago
by Doug McEvers
How about an electric immersion element as a heat source for in-floor radiant? 4 2 years 33 weeks ago
by Torsten Hansen
2 years 33 weeks ago
by John Klingel
If you're gonna have a fireplace.... 15 3 years 29 weeks ago
by David Meiland
2 years 32 weeks ago
by reid band
Swapping ECM for PSC fan motor 15 3 years 11 weeks ago
by charles CAMPBELL
2 years 31 weeks ago
by Damon Lane
Use of bathroom exhaust fan for ventilation in a small building 4 2 years 31 weeks ago
by Kim Kies
2 years 31 weeks ago
by Kim Kies
What kind of heat for a tight, high-R, 1,100-sq.-ft. outbuilding? 4 2 years 31 weeks ago
by Patrick McCombe
2 years 31 weeks ago
by Keith Gustafson
Cost savings of dedicated ventilation ducting 15 2 years 32 weeks ago
by Sean Wiens
2 years 31 weeks ago
by Sean Wiens
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