What Type of Heating? 
(Continued from page 168) 
would otherwise be possible, and as I 
mentioned before, this saves coal and 
labor. In addition, a large enough heater 
allows you to put in an additional radiator 
if you enlarge your house, and also enables 
you always to warm your home even in 
bitter cold weather without auxiliary 
means of heat, which are often expensive 
and troublesome to maintain. 
Whatever heat you use, whether it be 
hot water, steam, or hot air, be sure to 
figure carefully the size necessary to prop¬ 
erly heat your home without forcing the 
heater. In addition to what I have men¬ 
tioned about the excessive amount of coal 
which is burned when the furnace fire is 
forced, there is another serious objection 
to doing so, and that is that the iron heat¬ 
ing surface of the furnace will be injured 
so that it will not readily absorb the heat 
of the fire. Take the ordinary range lid 
for example. People frequently complain 
that they can heat their stove lids red hot 
and yet cannot obtain sufficient heat to 
cook properly. Of course they cannot; 
the iron has been overheated and has been 
ruined for the purpose for which it was 
intended. It is a serious and costly mat¬ 
ter to ruin a furnace in this manner. Bet¬ 
ter by far pay the slight additional cost of 
a large enough heater in the beginning. 
THE INDIRECT SYSTEM 
There is still the indirect system to be 
considered. For the benefit of those who 
do not know this, I will say that in the 
“direct” the radiators are placed in the 
rooms they are to heat, while in the “in¬ 
direct” fresh air is obtained from outside 
and heated by the means of an enclosed 
coil of pipes or radiator ; the warm air then 
passes through a tin pipe to the room it is 
to heat as in a hot air system. This 
method gives a very pleasant supply of 
warm air, but it is more expensive to op¬ 
erate, requiring seventy-five per cent, 
larger furnace and seventy-five per cent, 
more heating surface in the radiators than 
a hot water heater; and fifty per cent, 
larger boiler, and fifty per cent, more heat¬ 
ing surface in the radiators with steam. 
This system also involves a far greater 
amount of attention than the direct, for if 
constant heat is not maintained in the coils 
or radiators cold air will enter the rooms 
unless the supply of air from the outside 
is shut off. I have known houses where 
a combination of the direct and indirect 
was used, the direct for the bedrooms and 
halls, and the indirect for the rooms most 
occupied by a number of persons at one 
time, such as the living room, parlor, din¬ 
ing-room, etc., but even in these houses 
where there was a man constantly em¬ 
ployed about the place who could give a 
part of his time to attending to the heat¬ 
ing apparatus, the indirect part was not 
satisfactory because of the amount of at¬ 
tention it required to maintain an even de¬ 
gree of. temperature. It was found best 
to substitute the direct for it, and to obtain 
fresh air by ventilators in the windows, or 
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