The new NIBE PV-T collector removes the requirement of a ground or bore hole collector array. It produces two types of energy - thermal energy and electricity - through a solar panel. This can then be used to operate a ground source heat pump.
Jonny Hancock, Product Manager at NIBE Energy Systems (UK), said: “The NIBE PV-T collector is an alternative, innovative and silent heat source for use with NIBE ground source heat pumps. The installation of a PV-T array can be utilised as a direct alternative or supplement to a traditional borehole or surface collector, while delivering the same levels of efficiency. It is also an excellent solution for when an air/water solution is not desirable.
“PV-T panels are equipped with PV cells at the front that convert sunlight into electricity. The rear consists of a thermal heat exchanger that extracts aerothermal energy from the ambient air. The operation of the heat exchanger is therefore comparable to that of an air/water heat pump, without the requirement of a mechanical fan.
“A PV-T system therefore works 100% silently. Depending on the heating requirements, they can replace traditional boreholes or ground arrays, minimising disruption and removing the need for extensive ground works which can be impractical on some sites.”
The PV-T collector is designed so that the heat exchanger always provides sufficient energy for the heat pump, even on cloudy days and at night. In warmer months, the heat extracted by the collector helps cool the PV aperture surface, improving generation efficiency.
The system has also been designed to provide additional comfort in the summer through passive cooling – increasing efficiencies and maximising carbon savings. It can also be used in newbuild properties to provide an efficient solution where noise is a concern and space is at a premium.
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