Guides: grants, solar, heating and electrics
Clear answers to the most common questions about heat pumps, air conditioning, solar panels and electrics, written by Cofany, an installer based in the Vienne (86), France.
What grants are available for a heat pump in 2026?
In 2026, an air-to-water or ground-source heat pump in France may qualify for MaPrimeRénov', CEE premiums and reduced VAT, subject to conditions; air-to-air heat pumps are not covered by MaPrimeRénov'.
Read the guideSolar panels in the Vienne in 2026: are they still worth it?
Yes, solar panels are still worthwhile in the Vienne in 2026 when sized for self-consumption: the premium is gone and surplus buy-back is very low.
Read the guideReversible air conditioning or air-to-water heat pump: which should you choose?
Choose an air-to-water heat pump to heat the whole house through radiators or underfloor heating and make hot water, and reversible AC to heat and cool room by room.
Read the guideDo you need a new consumer unit for a heat pump or solar panels?
Not always: what matters is supply capacity, room for a dedicated circuit and suitable protection; the consumer unit is only redone depending on the installation's condition.
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