Pengguna DFDVX37


Usia keanggotaan:	2 tahun (since 25 Nov 2021)
Jenis:	Pengguna terdaftar
Situs web:	http://www.ensuntec.com
Bio:	Solar water heaters -- sometimes called solar domestic hot water systems -- can be a cost-effective way to generate hot water for your home. They can be used in any climate, and the fuel they use -- sunshine -- is free. How They Work Solar water heating systems include storage tanks and solar collectors. There are two types of solar water heating systems: active, which have circulating pumps and controls, and passive, which don't. Active Solar Water Heating Systems There are two types of active solar water heating systems: Direct circulation systems Pumps circulate household water through the collectors and into the home. They work well in climates where it rarely freezes. Indirect circulation systems Pumps circulate a non-freezing, heat-transfer fluid through the flat panel solar collectors and a heat exchanger. This heats the water that then flows into the home. They are popular in climates prone to freezing temperatures. Passive Solar Water Heating Systems Passive solar water heating systems are typically less expensive than active systems, but they're usually not as efficient. However, passive systems can be more reliable and may last longer. There are two basic types of passive systems: Integral collector-storage passive systems These consist of a storage tank covered with a transparent material to allow the sun to heat the water. Water from the tank then flows into the plumbing system. These work best in areas where temperatures rarely fall below freezing. They also work well in households with significant daytime and evening hot-water needs. Thermosyphon systems Water is heated in a collector on the roof and then flows through the plumbing system when a hot water faucet is opened. The majority of these systems have a 40 gallon capacity. Storage Tanks and Solar Collectors Most solar water heaters require a well-insulated storage tank. Solar storage tanks have an additional outlet and inlet connected to and from the collector. In two-tank systems, the solar collector water heater preheats water before it enters the conventional water heater. In one-tank systems, the back-up heater is combined with the solar storage in one tank.

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