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That's what the air exchange unit is for. It brings fresh air in and exhausts stale air, passing the heat from the stale air to the fresh air as it does so. I w
by walthamstow 3y ago
That's what the air exchange unit is for. It brings fresh air in and exhausts stale air, passing the heat from the stale air to the fresh air as it does so. I would love one in my 1970-built house.
In the types of old houses described in your link, this type of thing was designed to be done by one or more open fires, which drew fresh air in through cracks and crevices and exhausted up the chimney.