ventilation heat transfer

  1. J

    Passive warm air ventilation through ceiling into other rooms

    Hello We have a new build that relies on Solar PV for hot water and an Air Source Heat Pump for the underfloor heating downstairs. The home is very, very warm downstairs but upstairs not quite so. The cooler rooms are given a burst of warmth using a fan heater to take the edge away. I...
    • Jaymark
    • Thread
    • colder room cross ventilation passive ventilation ventilation heat transfer warm air
    • Replies: 2
    • Forum: Your Projects
  2. R

    Any expereinces with Single Room Heat Recovery?

    I'm renovating a drafty old house (draughtproofing, interior wall insulation, new windows, etc.) and installing an ASHP to run radiators. I'm now looking towards the kitchen more specifically. I'm aware of the need to have good ventilation and air exchange in the kitchen, but am reluctant to...
    • RFw3Duwrd7Yu
    • Thread
    • heat recovery heating ventilation ventilation heat transfer
    • Replies: 3
    • Forum: Building
  3. H

    Ventilation heat transfer

    I have a naturally very warm room below (and one metre offset) a naturally cold bathroom. I've lifted the floorboards and there is an clear simple route between the two rooms. Does anyone have any ideas regarding transfering some of the warm air to the bathroom .... Either forced or by simple...
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