Underfloor heating for Passivhaus project

Underfloor heating for Passivhaus project

Heat Mat’s underfloor heating has been installed as a secondary heat source to complement an air-management system at Oyster Reach, Kent.

The development is designed to be low-energy and retain heat.

Oyster Reach is a group of contemporary apartments with views over Whitstable Bay. The small energy-efficient development is designed and constructed with a ‘fabric first’ approach to meet ‘Passivhaus’ standards.

Heat Mat’s Danish manufactured In-screed heating cables were chosen for the project. The VDE approved cables were installed under tiles and secured using fixing band, before being covered with 70mm of screed. NGT programmable thermostats, with energy saving capabilities, control each room.

Due to the well-insulated nature of the property, the underfloor heating generates a low output of approximately 130W/sqm. The system is designed to allow each room to store heat within the dense screed and top-up when the ambient air drops below the required temperature.

The apartments use electricity produced from renewable sources including Solar PV panels on the roof, supporting the underfloor heating when it is required and resulting in an extremely low running cost for the inhabitants.

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