What do families in various countries use for heating?

People who often watch Japanese dramas may know such a scene: in winter, a family sits at a table to keep warm, while watching TV and chatting. Japanese quilts are also called warm tables. The modern warm table is a square low table covered with a quilt. There is an electric heater under the table, which is usually attached to the table structure. The warm table is placed on a thin mat. You sit on the mat and put your legs and feet and even your whole body under the warm table to keep warm. When the weather gets warmer, you can take away the quilt and turn the warm table into an ordinary low table. With the development of economy, the electric heating table with infrared heating has become the mainstream.

So, why was it burned? Due to frequent earthquakes in Japan, houses have to be built light, but this structure is not conducive to heating engineering and warmth. In addition, Japan is poor in resources and consumes too much energy for heating, which is not suitable for central heating.

The penetration rate of central heating (cooling) system in Japan is only 6%, which is relatively low in developed countries. Kanto region with Tokyo as the center. By 20 18, there are only 83 central heating enterprises, most of which operate cogeneration thermal power stations to provide steam and hot water for many office buildings in this area. Central heating in Japan is limited to buildings such as office buildings, and the proportion of houses is relatively low.

In Russia, 8 1% of households use central heating facilities, and about 2 million employees participate in the construction, maintenance and management of related systems. The heating system consumes about 25.5 billion tons of coal every year, accounting for 33% of the total energy consumption; The natural gas consumption is 654.38+0.90 billion cubic meters, accounting for 465.438+0% of the total energy consumption.

Every year around June 65438+1 October1,the temperature is below 8 degrees Celsius for five consecutive days, and relevant institutions start to start the heating system. Kindergartens, primary and secondary schools and medical institutions are the first heating objects, followed by student dormitories. In half a month, all heating was realized one after another.

USA: Diversified Home Heating

The United States is a sparsely populated country with the highest household heating rate in the world. Except for schools, hospitals and other public places, American families have no central heating. However, for some rented houses, federal and local laws require landlords to heat according to the temperature on time to ensure the interests of tenants.

The United States uses a variety of energy sources to keep warm in winter. At present, there are about 65,438+170,000 households in the United States. According to the Census Bureau, nearly 90% of American households use natural gas and electricity for heating. Nearly 50% of them use natural gas for heating because the price is the cheapest. About 39% households use electric heating. Although the price of electric heating is much higher than that of natural gas, it is still relatively cheap among various heating methods. The remaining 6% households use heating oil for heating, 5% households use propane for heating, and about 2.5 million households use wood and heating.