5.3. Solar Space-Heating Systems
Because of the reduction of the world fossil-fuel reserves and strict environmental protection standards, one main research direction in the construction field has become the reduction of energy consumption, including materials, technology, and building plans with lower specific energy need, on one hand, and equipment with high performance on the other hand.

Figure 5.7 Closed circuit with two storage tanks and heat exchanger system.

Figure 5.8 Solar system for DHW and swimming pool water heating.
Thermal energy obtained ...
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