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Honeycomb Solar Thermal Collector

Last Updated: 09/18/17

The Honeycomb Solar Thermal Collector (HSTC) uses a honeycomb insulating layer to minimize heat loss by suppressing convection.

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Procurement Info

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  • No federal source identified
Life Cycle Cost Savings
The Public Buildings Service's Green Proving Ground evaluated honeycomb solar thermal collectors. A honeycomb insulating layer allows solar energy to enter the collector while reducing heat loss from he energy collecting surface. In solar hot water systems without a storage, honeycomb systems should outperform other flat plates, particularly in cold climates. It is critical to have a trained installer, however, to address unique featuers of solar hot water systems. The honeycomb technology is up to 8% more efficient than flat-plate collectors. Payback depends on how cold the climate is, the price of natural gas, and the fraction of the total hot water energy load that is displace by the solar hot water system, among other factors.
Guiding Principles
Contributes to meeting The Guiding Principles for High Performance and Sustainable Buildings