Anthropogenic activities are increasing the amount of carbon dioxide (CO2) in the atmosphere. There is mounting experimental evidence that lifetime exposur

    • cynar@lemmy.world
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      3 days ago

      I don’t want it too cold when sleeping, and heating a room with an open window is wasteful and expensive.

      I’m personally planning on installing an air to air heat exchanger. Even a cheap one can get 75% recovery. Add in some air sensors to make it smart and it’s fairly fire and forget.