A liquid fuel-fired furnace installation is composed of at least one fuel tank (1), a fuel evaporation plate (2), a fuel vapor distribution plate (3) and a valve cutting-off the vapor flow, whereas the fuel tank (1) is connected with an evaporation plate (2) via a conduit (7), and the evaporation plate (2) is equipped with a vapor outlet (8) connected with a cut-off valve (4) and a vapor distribution plate (3) is connected with an inlet stub pipe (11), and in its upper part the plate has holes (12) though which the fuel vapors are exhausted. The installation is characterized by having fuel (P) delivered gravitationally via the conduit (7) into the evaporation plate (2) according to the connected vessels rule, which assures that an aerial layer is left over the fuel table (13).