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  1. #1
    Join Date
    Dec 2006
    Location
    Toronto, Canada
    Posts
    29

    total HVAC plan - what would you do?

    Hi

    We have totally gutted the interior of our 105 year old home in Toronto, Canada. EVERYTHING inside will be 100% new.

    We have dependants with asthma issues. We want a whole home ventilation system for optimum indoor air quality. We'll be using closed cell spray foam insulation so the home will be fairly tight.

    Our west facing backyard and neighbour's yards are jammed full of tall old trees. That minimizes our need for A/C, but we still need to manage humidity.


    Option 1)

    The simplest, and cheapest way to go it would seem, is a traditional low velocity forced air system.

    As I understand it - the ductwork could handle not only the heating and air conditioning, but could also be used for whole home ventilation system?

    Could the whole home ventilation system also manage humdity indepently of an AC unit?


    Option 2)

    We would LOVE to do hydronic heated floors throughout. Nothing beats radiant heat. Having large ductwork running everywhere is a PITA , and with our low basement ceiling - really impacts useable space in the basement.

    How do you install whole home ventilation and humidity control without traditional large low velocity ductwork?

    Can we use a split A/C system to save costs or would we need a mini-duct A/C system?

    Could the mini-ducts themselves be used as the ductwork for a whole home ventilation system, and humidity management?



    Many thanks,

    Dave

  2. #2
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,331
    ERV's and HRV's don't control humidity.
    A whole house dehumidifier will keep your humidity down, even on days when you don't need humidity.

    Without seeing your house. Can't give you a recomendation as to what will work best for heating and cooling. You'll need a contractor to comeout and let you know what they can or can not do for your house.

    As you said, radiant will provide the better comfort in heating.
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  3. #3
    Join Date
    Apr 2008
    Location
    Rochelle Il / Chicago
    Posts
    169
    Lennox G71 "V" with XC21 and Humidatrole.
    backed with lennox Pure Air and A.A.humidafier.
    Operated by Lennox's new Touch screen.

    This system will dehumidify, humidify, cool, heat and purify air in your home.

    Nice to know Dave's got your back

    Check it all out.

  4. #4
    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here.

    You can find the rules for posting and qualifications here.

    Further infractions may result in loss of posting privileges.
    Last edited by beenthere; 09-02-2013 at 05:12 PM. Reason: Non Pro * member

  5. #5
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,331
    William christ, this is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary or ask questions of the OP here.

    You can find the rules for posting and qualifications here.

    Your post has been deleted.
    Further infractions may result in loss of posting privileges.
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

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