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  1. J

    Passive warm air ventilation through ceiling ducting into cooler rooms. Advice needed.

    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 have...
  2. 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
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