Evacuated Tube System

The Joule Acapella Solar systems’ unique tube design ensures a very high zero-loss collector efficiency figure of 85% based on the absorber. The unique method used by Joule for fixing the evacuated tubes into the collector results in a significantly lower heat loss coefficient of 1.529w/m²K.

The evacuated tube systems have an easy to install frame that ensures that the collectors are securely fixed and mounted onto the roof efficiently and correctly every time.

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