1. Centralized heating: urban heating Applicable residences: ordinary residences, office buildings
Principle: Use urban heating network, regional heating network or centralized heating boiler room as heat source heating.
Advantages: The technology is relatively mature, safe and reliable, and the use price is relatively cheap.
Disadvantages: 1. The heating time and temperature cannot be controlled by yourself, and the heating comfort is poor.
2. The heat sink is not beautiful and takes up space, affecting the decoration effect.
3. Difficulty in charging is an unsolvable problem, especially the low occupancy rate in new communities, which leads to the inability to heat.
4. When the temperature of the heat sink reaches 80 degrees, dust will be generated, causing the walls above the heating to be covered with dust.
5. There is no heat source before and after the heating period, and heating charges are increasing year by year.
6. The heating pipeline facilities must be maintained, repaired and replaced for a long time.
2. Household coal-fired boiler: Home heating
Advantages:
1. Free heating time.
2. The heating stove can provide domestic hot water at the same time.
Disadvantages:
1. It requires someone to be on duty at home, which is relatively dirty and tiring, and has low comfort.
2. The service life of the heating furnace is about 6 years, and the renewal cost shall be borne by the owner.
3. The combustion dust is serious and there is air pollution problem.
4. The pipeline radiator occupies the area inside the sleeve, affecting the beauty.
3. Hot and cold air-conditioning machine: fast heating
Principle: Use electric heating.
Advantages:
1. It is ready to use and heats up quickly.
2. Easy to install and can be removed.
Disadvantages:
1. Generates dryness and static electricity, which is not conducive to human health.
2. The cost is high.