warm air

  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. Karlos12

    Johnson & Starley Aquair Heat Interface - replacement for current system

    Hi everyone Having recently moved to a new house, we're looking to replace a ~20 year old J&S economaire warm air unit with a gas fired combi & J&S Aquair. This will allow us to make use of the ducting in the house and provide us with on demand hot water. My reservations about this mainly...
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