the ordinary light sockets.



THE TWO SURE WAYS OF HEATING

There is only one efficient and healthful method of heating a house,
and that is with a hot-air furnace. I have that on the authority of a
man who sells hot-air furnaces, and he ought to know.

Substitute "steam or hot water" for "hot-air furnace," and we have the
assurance of the man across the way who sells boilers and radiators.

The beauty of it is that each proves his case to one's entire
satisfaction--not only that his own system is a marvel of perfection,
but that the other systems are dangerous to health and breeders of
unhappiness and really ought (though he wouldn't like to say so) to be
prohibited by law.

So we shall have to decide the question for ourselves. If we err, we
can still abuse the dealer, or the architect, or the contractor, for
letting us make a mistake.



THE HOT-AIR FURNACE

The hot-air furnace costs least to install. (We leave stoves out of
consideration.) It is also supposed to be easiest to manage. That, in
a sense, is true. A good furnace will act pretty well even under