Weather in Yexian County, Pingdingshan, Henan Province

First, the characteristics of solar water heaters:

1, solar energy can only rely on heating pipes in rainy days (that is, electric heating is as fast as boiling water) 1400- 1500 W, and the power is similar to that of air conditioning.

2. If well water is used for solar energy, its service life will be greatly reduced. Because there are too many minerals in well water, minerals will solidify when heated, which seriously affects the heat absorption effect of vacuum tubes. The so-called anti-scaling magnesium rod in the market is not ideal.

Before using solar energy, you must put the water in the solar energy on the shower head. Because this water is cold, hot water can only be produced if it is discharged, so it is a great waste.

4. At present, the solar water heater is not equipped with lightning protection facilities, and there is no formal statement by the installation team, and there is no unified regulation for installation.

Second, the advantages of solar water heater:

There is no need to use electricity or gas, as long as there is sunshine, which is environmentally friendly and energy-saving, saves money than electric water heaters, and there is no danger of air leakage. Many solar water heaters have the function of electric energy-assisted heating, which can boil water to solve the problem of hot water bathing even in rainy days.

Third, the shortcomings of solar water heaters:

The amount of hot water is limited, usually two or three people have no hot water after washing, so they need to use electricity to boil water again, and the waiting time is long. Electricity is also needed to boil water when the sun is insufficient in winter. Maintenance is also more troublesome, because the solar water heater is installed on the roof, and you have to go to the roof to maintain it. The price is higher, and the one-time investment is more, because there are both solar energy technology and electric auxiliary functions.

Four, the characteristics of electric water heater:

1, Safety: Although the current electric water heaters are off the grid and there are many safety measures, you should be careful when using them. When using the electric water heater, the power plug should be plugged as tightly as possible. If it is the first time to use the electric water heater, be sure to fill it with water before turning it on.

2. Convenience: the electric water heater should be electrically heated for a long time in advance. If you forget to heat it, you can't turn on the tap, and hot water will naturally come; If the size is not large, the family needs to stagger the time for bathing.

3. Energy-saving: Electric water heaters can only use electrically heated hot water, which is also a large electricity bill after years of use.

4. affordability: the price of electric water heaters is not high, and only a few brands are more expensive. Although the initial investment is small, the later use cost can not be ignored, and the service life of electric water heaters is only about 10 years.

Verb (abbreviation for verb) Advantages of electric water heater:

Many high-rise residents are not suitable for installing solar water heaters, but electric water heaters are not subject to height restrictions. Solar water heaters are greatly affected by the weather, so they can't be heated without the sun. But electric water heaters can be used in any weather. The price is cheap, and many landlords of rental houses will install such water heaters for tenants. It's hot when it's on, so don't wait.

Six, electric water heater shortcomings:

It's huge. This kind of water heater is usually installed in the bathroom, which is originally small, accounting for one-third of the height of the wall. Easy to expand. It is huge because you have to boil water in it, which will produce scale after a long time. If the scale is too thick, it will prolong the boiling time and consume more electricity. Although the scale removal device is built in now, it is still very troublesome to replace the anode magnesium rod every two years. There are great security risks. There is electricity and water in such a large water tank. Even if there is a power grid, there is no guarantee that there will be no leakage at all. Hot water is limited, you have to wait until it is used up before boiling water.

Which is better, electric water heater or solar water heater?

From the north and south, the south prefers to use electric water heaters. When netizens work in the south, almost every rented house is like this.

Judging from the cost of installing the heating system, the electric water heater is generally 60 liters, and the price is about 1800, while the installation cost of 18 solar water heater is about 3000. From this point of view, electric water heaters are still cheap.

In terms of later consumption and maintenance, electric water heaters generally need to heat and boil water for bathing, while solar water heaters do not. There is basically no electricity except for auxiliary electric heating in cold weather. So solar water heaters are superior.

From the safety point of view, if the power of the electric water heater is continuously turned off during bathing, an electric shock accident may occur. The auxiliary heating system of solar water heater is far away from the bathroom, so the chance of electric shock is very small.