Next, each merit demerit is explained.

The 1 "a difference in fire power"
If the efficiency of the quantity of heat of gas is compared, propane is proud of a twice [ about ] as many calorie as town gas.
As for about 24000kcal and town gas, it is said the calorie per cubic meter that propane is 12000kcal.
It becomes naturally so strong fire power.
Therefore, it is said that a restaurant etc. uses propane specially also in the area which can use town gas.
- At fire power, it is a victory of propane.

The 2 "the earliness of the restoration at the time of disaster"
Since the structure using gas is very simple, installation and the restoration of propane are early.
It is said that it is the propane which electricity, water service, a telephone, and town gas were pressed down, and was restored first of all in case of the Great Hanshin Earthquake.
Conversely, as well as the time of disaster, since town gas buries and uses a gas pipe in the earth, if the confirming safe conditions even of after disaster are completely impossible, it cannot be used.
Therefore, restoration is considerably overdue.
- At restoration speed, it is a victory of propane.

The 3 "a difference in the cost at the time of construction"
Although propane installs an institution at the time of construction, expense hardly starts this.
It is because the company of propane has intense competition and discount and service competition are violent.
Therefore, a gas company takes over initial expense in order to have you install.
It is like "the main part of 0 yen" of a cellular phone.
Conversely, extraction in 宅 is needed from the gas pipe of underground [ town gas ].
Naturally expense starts this and it must pay it by itself.
- At an initial investment, it is a victory of propane.

The 4 "a difference in the gas bill"
From town gas, the gas bill became high, was troubled instead of propane, and the talk is often heard.
Conversely, the talk of having become town gas and having been troubled has not been heard from propane.
Generally propane is high compared with that of town gas, and at least double differs from 1.5 -.
Depending on a home, thousands of yen are different every month.
Considering monthly cost, the town gas is rightly cheaper.
- At a running cost, it is a victory of town gas.

Addition "popularity"
There is no customer of lease who cares about the difference in gas mostly.
Since gas is using propane in the rental, there is almost no room of selection.
Therefore, the person who does not know the difference in gas is almost the case.
With the customer of dealing, town gas is popular.
It is because the monthly gas bill is different too, so you gain when it sees by a long eye.
けど which is not related to those who make it all electrification.
With the owner of an apartment or an apartment, propane is popular.
It is because a tenant pays the monthly gas bill, so there is little initial investment at the time of the construction of a housing and it is only merits for the owner.
- They are 勝敗つ or ず if popular.

About lease, it gains town gas for those who borrow, and propane can say profit for those who lend.
However, since there is a merit for a merit except [ both ] it, advantageous disadvantage cannot generally be said.
Please make it reference of housing 選び.