PV + Heat Pump cost-effective

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Solar heat combined with a heat pump payback period 5-6 years

Solar heating in combination with a ground source heat pump is cost-effective for the on-site heating of buildings according to the VTT technical research centre of Finland. (report)

Researchers explored the use of hybrid solutions to enhance the efficiency of heat and electricity production in buildings.

A hybrid solution combining a ground heat pump with solar heating turned out to be the most efficient solution with the lowest life-cycle costs.

Solar powered air conditioning

The goal of the project was to produce energy close to the consumption site by using hybrid solutions in order to generate electricity and/or heat/cold for the buildings in question.

Solar power was particularly efficient when combined with ground heat. The payback period is 5 to 6 years.

Energy storage

  • The local district heating network can be used for the temporary storage of surplus heat produced by buildings
  • Or, if the heat is stored in a water tank, the energy can be saved for 6 months. Enough energy for hot summers (air conditioning) of cold winter (heat)

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