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Heating System requirements for New House

Shifty_ONeillShifty_ONeill Member Posts: 1
Heating system requirements for house to near passive house standard. Would the following be enough:

1. A stove with back boiler and rads for space heating

2. Mechanical Heat Recovery Ventilation unit

3. Solar Tubes and Electric immersion for DHW

What would you suggest?


  • SWEISWEI Member Posts: 7,356
    Somebody has to do the math

    and figure out your design loads for both heating and cooling.  Then add up all the internal sources and factor in the 100% MUA requirements.  Almost certainly will want the ERV, may need a boost from a small heat pump or other sources on that air, depending...
  • Paul48Paul48 Member Posts: 4,046
    30 years ago

    I worked on a framing crew. We built a passive solar house that was a twin to one built in Nova Scotia. I never got a chance to see the mechancals of the house, but I can tell you that the construction is nothing like conventional. There's nothing difficult about it, but the engineering done beforehand has to be top-notch. Right from the site work, to positioning of the house and its orientation to the sun. There can't be any guesswork involved. 
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