Why are radiators below window? ...

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possibly if some opened the porthole the warm nouns would push out the cold

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Lol, well-mannered question.

Almost every radiator within my house is under a porthole ?.?

Do they give sour radiation, if they do then thats why :D

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Answers:    Good question.The probable answers:

1. The engineers who have to set them up inside houses needed light and that be still at a premium in the 20s and the 30s (or sooner?) when water radiators be invented. They needed the lights from the windows.

2. Cold comes surrounded by from the windows and doors. Everybody said that be the best site to put it in. The bookshelf from the window sill give it a natural alcove/roof to save it out the way. Physics of warmness rising - they already knew that consequently.

To this day, the baseboard heaters can still be found under- window, where else.

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