Active Solar Water Heater System Tutorial

Active Solar Water Heater System Tutorial


In terms of solar energy applications, solar water heating is the most inexpensive and effective. Active Solar Water Heater System systems can range up to $6,000 or higher depending on size, but they can also fall under $2,000; and federal and usually state tax incentives and rebates can drop that price by 3050% and sometimes more. Very costefficient deal!!


So how do you get active on your active solar water heating system? First you need to know a bit about them.


Solar energy collectors for hot water systems come in Two different designs: flatplate solar collector, Vacuum tube solar collector. By far, the most popular choice is the flat plate collector, which involves a flat metal plate, painted black to absorb sunlight, resting beneath a sheet of glazing. Beneath this plate runs tubes containing cool water or a transfer fluid that collects in turn the heat that the plate has collected.


vacuum tube collectors come in a few variations, which you can explore here. They all, however, follow the basic premise of metal (usually copper) fins or tubes running up and down inside a larger collector tube. These metal fins absorb the heat caught by the larger collector and a transfer fluid travels through the tube, in turn takes the heat from the metal absorbers and transfers it to the water within a storage tank. While all these steps seem unnecessary, vacuum tube collectors are able to reach much higher temperatures (often too high) than their counterparts.


How Active Hot Water Systems Work


Essentially the system works as follows: First the fluid is pumped up into the rooftop collectors where it is heated. It is then sent through a heat exchanger typically attached to or near a storage tank where that heat is passed on to the home water supply. From the tank the hot water can be drawn by demand into the house.


Tankless solar water heaters are very much possible and many are in use. The advantage of having a storage tank, however, is that hot water can be made available at night as well. For this reason, water storage tanks are heavily insulated and located indoors (often right next to a conventional water heater used as backup when the solar collectors aren collecting).


Solar hot water heaters can be connected directly into your existing water system and, besides the extra tank, do very little to upset life within the home during installation. To learn more about installing an active solar hot water system at your home, get nohassle free estimates, as well as enlightening conversation, with local solar thermal installers..