Mechanicals

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Fresh air distribution for hydronically-heated house?? 0 7 hours 34 min ago
by John Charlesworth
n/a
Manual J - Calcs - Mini Splits 3 1 day 1 min ago
by Peter L
8 hours 15 min ago
by Peter L
Mitsubishi mini split behaving very differently with external thermostat vs. without 22 11 weeks 2 days ago
by Nick Welch
2 days 1 min ago
by Matt W
Filtration and humidification with mini-split systems 6 3 days 13 hours ago
by Terry Herschberger
2 days 15 hours ago
by Robert Hronek
Foil tape inside duct? 3 3 days 7 hours ago
by Jeremy M
2 days 22 hours ago
by Jeremy M
Makeup air advice needed 7 4 days 13 hours ago
by Victoria Williams
3 days 19 hours ago
by Victoria Williams
Water-source heat pump sizing 8 1 week 13 hours ago
by David Hicks
4 days 10 hours ago
by Charlie Sullivan
Is anybody aware of an hybrid air-source heat pump and gas boiler available in U.S. market? 4 5 days 15 hours ago
by Joseph Carry
4 days 11 hours ago
by Charlie Sullivan
DVHP on Southern Maine Coast 9 1 week 1 day ago
by Peter Whitman
1 week 10 hours ago
by Dana Dorsett
Does a house with spray foam roof and BIBS wall insulation need ventilation? 6 1 week 4 days ago
by Tony Martinez
1 week 2 days ago
by Malcolm Taylor
Minisplit recommendations for small California casita? 2 2 weeks 3 days ago
by Dan Burgoyne
2 weeks 1 day ago
by Dan Burgoyne
Why is it so trendy to hate on radiant in-floor heat? 18 3 weeks 5 days ago
by Josh Jipson
2 weeks 1 day ago
by Richard McGrath
Insulation retrofit for radiant floor heat 11 2 weeks 6 days ago
by Brent Mellen
2 weeks 2 days ago
by Richard McGrath
Multizone minisplit air conditioning? 2 2 weeks 4 days ago
by Mike carey
2 weeks 3 days ago
by Dana Dorsett
Why not? Minisplit inline with ERV ducting 3 2 weeks 6 days ago
by Andrew Bennett
2 weeks 5 days ago
by D Dorsett
New Mitsubishi Hyper Heat multi splits have finally arrived 4 10 weeks 2 days ago
by Nick Welch
3 weeks 8 hours ago
by aj builder, Upstate NY Zone 6a
Seasonal humidity and lack of outside airflow 9 3 weeks 3 days ago
by Geoff York
3 weeks 2 days ago
by Lucy Foxworth
Sealed crawl with passive exhaust? 4 3 weeks 2 days ago
by E Lingerfelt
3 weeks 2 days ago
by E Lingerfelt
Recommendation for minisplits vs. gas-fired HVAC for new Massachusetts building 17 4 weeks 1 day ago
by Bill Perkins
3 weeks 3 days ago
by Dana Dorsett
Wood floor underlayment over radiant heated floor 15 1 year 3 weeks ago
by Howard Klein
3 weeks 3 days ago
by Simon Francis
Running PEX in-floor in addition to baseboard 6 3 weeks 3 days ago
by George LaLonde
3 weeks 3 days ago
by Richard McGrath
Multi split with ceiling fans? 4 3 weeks 6 days ago
by alok khuntia
3 weeks 5 days ago
by aj builder, Upstate NY Zone 6a
Air-source heat pump vs. AC/furnace 6 4 weeks 2 days ago
by Anthony Kane
4 weeks 1 day ago
by Dana Dorsett
Load rating for 2x4 by 2x6 post 2 4 weeks 2 days ago
by Tim Eicher
4 weeks 2 days ago
by Malcolm Taylor
Most cost-effective whole house ventilation solution for Massachusetts? 26 5 weeks 17 hours ago
by Victoria Williams
4 weeks 5 days ago
by D Dorsett
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