Recent Comments and Answered Questions on Green Building Advisor

  • Martin Holladay | Jun 20,2018 02:17 PM EDT
    Bill, My favorite fact from your first link: "Each marijuana plant consumes more energy than seven refrigerators."
  • Steve M | Jun 20,2018 01:57 PM EDT
    hi Dan, sorry for the late reply. I don't have access to the code, so can't really evaluate what it says. What I can tell you is I had submitted plans for a double stud wall, 2x4 outer, 3.5" ...
  • Dana Dorsett | Jun 20,2018 01:54 PM EDT
    It would be worth having company A bid it at 2-tons + heat strips. If the Manual-J came in just "...a little over what a 2 ton unit would handle..." it's possible (or even likely) that the heat ...
  • | Jun 20,2018 01:42 PM EDT
    Thanks for the input so far. Another detail is that on the Timber frame the T&G was placed onto the frame and then covered with plastic sheeting as directed by the SIP company. The SIPs were ...
  • | Jun 20,2018 01:30 PM EDT
    Your heating contractors performed their manual J calculations based on how your home currently is. How well insulated is your home? If you first spend $2-3k on insulation, you could instead ...
  • Bill Burke | Jun 20,2018 01:19 PM EDT
    Harvesting Energy Savings in Indoor Agriculture Facilities Quick Wins for Cultivators and Utilities https://www.esource.com/tas-f-18/harvesting-energy-savings-indoor-agriculture-facilities ...
  • David Goodyear | Jun 20,2018 01:15 PM EDT
    Hi, the answers are discussed above.
  • | Jun 20,2018 01:07 PM EDT
    and deliver that heat at a later time while decreasing my dependency on the grid. I think we can all agree that the system does achieve that goal.
    With your system the ...
  • Zane Bridgers | Jun 20,2018 12:41 PM EDT
    I really appreciate the help and definitely understand the challenges of answering an open-ended engineering question online. Would you recommend APA Rated OSB for Wall Sheathing? If so, would ...
  • Martin Holladay | Jun 20,2018 12:41 PM EDT
    Trevor, People have died during power outages from using a gas-fired generator placed in a mudroom or an attached garage, or from operating a charcoal grill indoors. Of course you're ...
  • Andy Chappell-Dick | Jun 20,2018 12:34 PM EDT
    The rationale I've heard is that you and I know they're pointless now, but it's entirely possible that someone will bring a combustion device into the house in the future. There's that corner of ...
  • Martin Holladay | Jun 20,2018 12:28 PM EDT
    Jared, Now that I think about it, I should have realized that the guy in the suit is a painter, not a spray foam contractor, since his wand has only one hose, not two hoses. Q. "First, is the ...
  • Dana Dorsett | Jun 20,2018 12:24 PM EDT
    Even with the basement volume included 50cfm continuously would over-dry the place in winter. Duty-cycling it at 20-30 minutes/hour or less would probably be about right, or even 10 minutes /hr ...
  • Steve Knapp CZ 3A Georgia | Jun 20,2018 12:15 PM EDT
    Are you actively ventilating the house? Could you imagine a vehicle or other combustion source operating in proximity to the air intake? Do you have nearby neighbors who burn wood for heating? ...
  • Peter L | Jun 20,2018 12:10 PM EDT
    CMU and a 6" ICF core wall are quite different in strength. A standard 6" core with rebar is tested to 200MPH winds and projectiles. Remember, ICF is basically poured in place concrete with the ...
  • Dana Dorsett | Jun 20,2018 12:08 PM EDT
    With a 1.25-1.5 ton ceiling cassette and through-wall unit in the dining room you probably have more than sufficient total cooling capacity. The beastly wall unit in the dining room is ...
  • Peter L | Jun 20,2018 12:00 PM EDT
    Being that the roof is a stone-coated metal shingle panel over Grace Tru-flex underlayment. It is 100% NOT breathable to the outside. The metal shingles are vapor impermeable and the Grace ...
  • Rick Evans | Jun 20,2018 11:59 AM EDT
    This is a great article. One of the things I love about GBA is that I get exposure to articles from sources that I would never otherwise come across. "Midwest Energy News"? "The Conversation"? ...
  • | Jun 20,2018 11:31 AM EDT
    Thank you Dana I do have a 700 square-foot basement unfinished my plan was to dump 10 CFM‘s in the basement and the other 40 CFM‘s upstairs in the main living space would this work? Just ...
  • Trevor Lambert | Jun 20,2018 11:05 AM EDT
    UPDATE: After a long, mostly pointless journey, a resolution is in place. Two key factors allowed us to use both the Zehnder HRV and the 3" HDPE ducting. 1)HVAC design specifying the HRV and 3" ...
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