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Unlike other solar water heaters our drain back design eliminates overheating which contributes greatly to scaling and sediment buildup. In addition it has freeze protection and does not require periodic glycol (antifreeze) changes which can cost from $75 to $100 every 3 to 4 years. A TechSun system includes a stainless steel heat exchanger that is not only higher performing than a copper heat exchanger but it is also easier to clean possible scale buildup.
The most important components of our system are from Europe. The collector absorber and glass is from Germany, the stainless steel heat exchanger is from Sweden and the ball valves are from Italy. We are Texas' largest solar water system distributor and only buy the best.
Solar water heating is not just about durability and performance but since the system is also openly occupying at least a 7' x 7' section of the roof, aesthetics is very important. Techsun's collectors are the most visually pleasing collectors on the market. With no visible piping around the collector and solar prismatic glass they appear as a skylight on the roof.
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