MANUFACTURED GAS IN THE HOME. 
23 
VARIATION IN GAS DEMAND FOR HOUSE HEATING. 
The average monthly variation in heat used for doing the room 
heating, water heating, cooking, and garbage burning for the house 
described in the preceding section, in terms of u 1,000 cubic feet ” of 
manufactured gas, is as follows : 
1,000 cubic 
feet. 
January 130 
February . 110 
March 80 
April 50 
May 22 
June 10 
July 6 
1,000 cubic 
feet. 
August 6 
September 6 
October 24 
November 50 
December 66 
Annual total 560 
The water heating, cooking, and garbage burning during the sum- 
mer months average 6 u 1,000 cubic feet ” per month. The maximum 
monthly gas consumption for house-heating purposes is, therefore, 
130 less 6 equals 124 “ 1,000 cubic feet.” This shows that the maxi- 
mum monthly heating load is more than 20 times the average summer 
load. 
UNIVERSAL MANUFACTURED-GAS HOUSE HEATING NOT FEASIBLE. 
The actual operating experience gained in the more than 2,000 nat- 
ural-gas-using towns in complete house-heating service to a limited 
number of homes shows clearly the folly of attempting to render uni- 
versal house heating in any town with manufactured gas because of 
the peak-load characteristics and the small percentage of the total 
time that the manufacturing and distributing plant equipment would 
be used. 
Where house-heating service is to be developed with manufactured 
gas in any community on an extensive scale arrangements must be 
made for the individual consumer to carry the peak load with auxil- 
iary fuels, like oil or coke, since it will not be economical to make the 
enormous investment in manufactured-gas-plant equipment in order 
to render this extreme service. 
LIMITATIONS OF LONG-DISTANCE TRANSMISSION OF GAS. 
The experience gained in transmitting natural gas through pipe 
lines indicates clearly the limitations that must be faced in attempt- 
ing the distribution of manufactured gas from a central plant to a 
group of towns. No general statement can be made as to the divid- 
ing line between feasible distances and distances that will not be 
feasible since each case must depend on its own economic features. 
However, enough is known to show clearly that there has been an un- 
