Solar Water Heater of home

    Solar water heater consists of joint style water heater and split water heater. The two heaters with different water supply. Union style solar water heater is currently on the market-oriented products, mainly to drop water supply. Split solar water heater is currently on the market a new product, the price should be slightly higher than the joint style, mainly to the central water supply.
    The advantages of solar water heaters in conjunction style installed in the roof, no indoor area, and affordable. Its drawback is that because there is no taking the time to layer must find time in using cold water, to use hot water. If the pipeline under the then long, then let the cold water the more, therefore more suitable for solar water heaters in conjunction style for more than four household use.
    Split solar water heater is the dual circulation of its strengths, its vacuum tube water, is not affected by thermal expansion and contraction of water can increase the service life of vacuum tubes. In addition, the split vacuum tube water heaters and hot water cylinder installed separately, collector tube can be attached in any roof, railings and other outdoor location of any plane, not to destroy the residential appearance. Its drawback is that solar energy products, cylinder installed in the room will occupy a certain space, split solar water heater is more suitable for duplex buildings, villas and other higher residential space. Currently, the market split solar water heaters are rare, only Tsinghua sun, the Guangdong-Hong launch split solar water heaters.
Experts suggest:
1. Look at the materials used in products made with foam insulation water heater, life is only 3 to 4 years, while the polyurethane is used more than 15 years; import and export of silk mouth and storage tanks used to drinking standards, and the latter the contrary, the addition, storage tank welding process also makes use of non-significantly longer product life.
2. Look at key parts of a key component of domestic solar water heater is the all-glass vacuum tube solar collectors (the vacuum), vacuum tube quality directly affects the performance of domestic solar water heaters. Purchase should be carefully observed the coating on the glass vacuum tube, solar cells, which is called solar selective absorbing coating layer coating, as the manufacturers of different manufacturing process, coating color will be different, but usually black , dark blue or dark gray, the color quality and good coating uniformity, film no scratches, no peeling or shedding phenomenon, the glass section and no stones or tumors phenomenon, supporting the supporting pieces of glass placed in correct, not loose .
3. Look at ease of use with automatic selection of Sheung Shui, sealing and automatically display the water level, water temperature of the product, not buy the kind of water storage tanks full of water after the overflow out of the water heater. To the rain and snow can also use solar water heaters, photovoltaic complementary products should be purchased.
4. To see the best selection of quality after-sales service of insurance products. Because domestic solar water heaters are durable consumer goods, and usually installed in the roof, once a fault, the user is difficult to themselves, so after-sales service must be protected. At present, solar power, the market machine free warranty period is generally 3 to 5 years