Evacuated tube collectors

The most recent form of collector is the evacuated tube or vacuum tube system. It works by exploiting a vacuum around the collector which reduces heat loss from the system, making it especially suitable for more temperate climes. These units heat water from 60 to 80°C which is

Freiburg Solar Housing

Figure 5.11

Double-sided solar collector, Freiburg Solar House

Evacuated Tube Demo

sufficient for providing domestic hot water. They can continue to operate under cloudy conditions and should be linked to an insulated storage facility for continuity of supply. However, the installation cost is significantly higher than for flat bed collectors. (For more information see Smith, P.F. (2002) Sustainability at the Cutting Edge, Ch. 2, Architectural Press.)

Renewable Energy Eco Friendly

Renewable Energy Eco Friendly

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable.

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