Common Types of Solar Water Heating Equipments
It is believed that solar water heating equipments are â€˜intelligentâ€™ devices because they do not create any pressure on the natural resources for accomplishing their work. Nevertheless, after purchase some consumers do complain that they are not getting optimum value of their money. One of the common reasons behind this is that they end up buying Drainback Solar Water Heating Systems in place of Evacuated Tube Solar Hot Water Systems, or Passive Solar Water Heating Systems instead of Tankless Water Heating Systems. In precise, they buy solar water heating systems that are not fit for their purpose. Now if you are intending to buy one such equipment, learn about the common types of solar water heating devices before making a deal. Start reading!
Drain back Solar Water Heating System
Distilled water acts as the heat transfer fluid in Drainback Solar Water Heating System. It is completely non-pressurized equipment which uses gravitational force to drain the water to the storage cylinder and the heat exchanger as and when required. Since no heat transfer liquid other than distilled water is used in this equipment, it does not require periodical replacement like most antifreeze systems. â€˘
Active Open Loop Solar Water Heating System
Those at the the gas company Dublin suggest that consumers who are looking for economical solar water heating systems can always consider the Active Open Loop Solar Water Heating System. There is no heat exchanging component in this equipment. In addition, the system functions on normal line pressure. The temperature of the heat sensor is regulated by a differential controller. Thus, in occasions when the temperature of the solar collected rises up, the differential controller sets a circulating pump in action to draw cold water. However, another model of this solar heating system is there which has an in-built photovoltaic panel in place of differential pump for setting the circulating pump in action. Owing of its passive mechanism, this device happens to be the most energy efficient equipment as there is no heat loss even during nights.
The major component of the Evacuated Tube Solar Collecting System is a collection of glass tubes that comprise of metallic cylinders installed inside them. These metallic cylinders act as heat absorbing component. Further, the metallic heat absorbers are attached with the glass tubes with the help of a fin. The coating of this fin contributes further towards the entire arrangement by absorbing solar energy simultaneous with curbing heat loss due to radiation. This solar water heating equipment is a better choice for commercial purposes. However, a caution here is that areas that are wind-prone are not ideal for installing roof based Evacuated Tube Solar Collecting System.
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It is believed that solar water heating equipments are ‘intelligent’ devices because they do not create any pressure on the natural resource...