The working principle of wall-mounted solar water heater is to use a flat plate collector, and the fins in the flat plate collector can convert solar radiation into heat, thus increasing the temperature in the collector. Using the characteristics of low density of hot water and high density of cold water, an underwater thermal cycle is formed through circulation. This is how the wall-mounted solar water heater is heated. Generally, the working medium in the flat plate collector is a low-temperature resistant liquid, which can usually keep-40 degrees Celsius without freezing, so there are not too many restrictions on the use temperature.
Is the wall-mounted solar water heater easy to use?
As a relatively new product, wall-mounted solar water heater has not been widely accepted for the time being. The wall-mounted solar water heater overcomes the shortcomings of traditional water heaters and is more competitive in some parts.
1. Advantages
Wall-mounted solar water heater is anti-freezing, anti-explosion, anti-leakage and anti-scaling. These are all things that traditional water heaters cannot do.
1) anti-freezing: due to the special properties of the liquid in the flat plate collector in the wall-mounted solar water heater, it can operate normally at low temperature without fear of freezing;
2) Explosion-proof: The traditional water heater may burst at high temperature, while the wall-mounted solar water heater can withstand high temperature with its patented technology;
3) Leak-proof: The traditional water heater is connected with a water tank and a vacuum tube. If the pipeline leaks, the whole water heater will collapse, and the flat heat exchange will make the water heater run completely, so don't worry about water leakage; 4) Scale prevention: If the ice scale on the vacuum tube is thick, it will lead to heat transfer failure, and the new solar water heater can realize flat heat transfer, that is, run without water.
5) In addition, the wall-mounted solar water heater is not limited by the floor height, as long as the balcony is exposed to light; Installing on the balcony also saves indoor space.
2. Deficiencies
1) Less manufacturers. Wall-mounted solar water heater is a new product, people don't know much about it, and there are few manufacturers. It is not as convenient to buy a high-quality wall-mounted solar water heater as a traditional one.
2) the price is high. Because of its patented technology, the production cost is high and there are few manufacturers, which naturally leads to high prices.
3) low temperature. The maximum temperature is lower than that of traditional solar water heaters.
4) It is greatly influenced by the outside world. For example, in rainy days and winter, there is little sunshine, and wall-mounted solar energy has no heat source, so it often needs electricity to burn.
5) There are requirements for the size of the water tank. Because it is hung on the balcony outside, considering the bearing problem, according to the national standard, the water tank capacity of the wall-mounted solar water heater cannot exceed 80L.
Which brand of wall-mounted solar water heater is good?
At present, there are ten well-known wall-mounted solar water heater brands on the market (in no particular order):
Himin solar energy 1
China well-known trademark, China well-known trademark, the first brand of solar water heater.
2. Linuo Ruite Solar Energy (Sino-German joint venture: China Linuo+Germany Ruite)
China famous trademark, China famous trademark, first-line brand.
3. Huayang Solar Energy
China famous brand, China famous trademark. first-line brand
4. Solar rain and solar energy
China famous trademark, China famous trademark, first-line brand.
5. Brilliant solar energy
China famous trademark, China famous trademark, first-line brand.
6. Tsinghua Sunshine Solar Energy
China famous brand, first-line brand.
7. Yijianeng Solar Energy
China famous brand, first-line brand.
8. Four Seasons Muge Solar Energy
China is a well-known trademark and a strong brand.
9. Sang Le Solar Energy
China famous trademark, Shandong famous trademark, strong brand.
10. Pu Tian solar energy
China well-known trademark, Beijing famous brand and regional strong brand.
4 wall-mounted solar water heater price
Wall-mounted solar energy is more expensive than ordinary water heaters because there are few manufacturers and the production cost is high.
As far as the current market is concerned, the price of most wall-mounted solar water heaters is between 3000 yuan and 4000 yuan. There are also 4,000-5,000 yuan, with good quality and convenient installation. When buying wall-mounted solar water heaters, some well-known brand enterprises will provide perfect after-sales service.
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