GESA Chaleur - Pra-Bosson / La Tour-en-Trême
GESA Chaleur - Pra-Bosson / La Tour-en-Trême General information The heating plant "GESA Chaleur - Pra-Boson" of Gruyère Energie Sa was equipped by Schmid Ag with a UTSR-8000 visio boiler of the latest generation and can heat up to 8...