the.com/sunporch

A room invented so you can watch weather instead of touching it.

means An enclosed, window-lined room attached to a house, built to let in light and a view of outdoors while keeping out wind, bugs, and rain.

from A straightforward American compound of 'sun' and 'porch,' emerging as home design evolved the open-air porch into a glassed-in version — the porch domesticated, given windows so it could be used year-round instead of just in fair weather.

origin
popularized with victorian glassed verandas for sunlight therapy
real function
insulating buffer that cuts heating and cooling costs
myth
not legally a room, so it rarely counts in square footage
peak use
houseplants that failed everywhere else thrive here
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