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Questions

  • Question & Answers

    Mirror Airflow ERV

    Hey all!I am building a new house and ran all the dedicated ductwork for an erv (Lifebreath Max Xtr). The unit shows that it has a mirrored airflow configuration in…

  • Question & Answers

    Is Insulation required for filter box

    I got this AC Infinity box 8” to put on the fresh air intake before my ERV to save on filters. Does this need to be insulated? If yes how…

  • Question & Answers

    Schluter Floor Drain Product for Laundry Rooms & “Trap Primer” Drains

    I was watching an episode of Matt Risinger's in which he goes over old videos of his own home  build and discusses how things worked out and what he'd change.One…

  • Question & Answers

    Help with old church insulation and air barrier

    We're doing some eneregy upgrades in our church and I'm looking for advice on the assembly options for this equipment loft space. We're in climate zone 4a. The roofing material…

  • Question & Answers

    What’s the best way to dry this project?

    Hi All,I have a new build going up in southern WI (climate zone 5 or 6a). The house is currently quite humid/wet as the drywall was just finished. I’m wondering…

  • Question & Answers

    sizing an ERV before blower door test?

    I am aiming for a tight house but I have no way to know how successful my air sealing work is since we are still at rough-in.  If I end…

  • Question & Answers

    air-sealing a bonus room knee wall for climate 4a?

    I am in zone 4a (central NC) and have decided to have the bonus room above the garage finished off during the initial construction of the house and so I…

  • Question & Answers

    300 year old farmhouse – strategy to make energy efficient and healthy

    We're about to purchase a 300 year old farm house in New England - classic 2 story hall & parlor colonial, with an ell for the kitchen, which has an…

  • Question & Answers

    “The River House”

    I like to post links to stories about interesting houses. Here's one in Westport, MA: https://www.eastbayri.com/stories/architectural-marvel-is-a-beacon-of-light,118308From the article it seems like it's a triumph of architecture -- and a catastrophe of…

  • Question & Answers

    Heat AND dehumidify after drywall mudding in a new tight home?

    I live in the Seattle area where it’s currently in the high 30s (F) at night. We just had drywall hung and mudded, and they’re heating to 73F to “dry”…