Читать книгу The Self-Sufficiency Handbook - Alan Bridgewater - Страница 24

In times past, piped or on-grid gas seemed like a miracle fuel. It was once used for lighting but now is used primarily for heating and cooking. Though just a few years ago public gas was once considered a low-cost option and a good choice for central heating, reduced supplies rapidly forced costs up.

ADVANTAGES

• Though initial installation costs are relatively high, the system (the boiler and pipes) will last more or less indefinitely once in place.

• Public gas is instant and very convenient.

• Gas is relatively safe as long as it is installed by trained specialists.

• Gas is always there on demand; you don’t have to remember to order it.

DISADVANTAGES

• You have to be linked to the grid, which is not viable in some isolated areas.

• Gas prices have risen to the extent that it could become a prohibitively expensive option.

• You have to pay a standing charge no matter what your consumption is.

• Gas is potentially very dangerous because it is both toxic and explosive.