Stove, comprising: - a frame, delimiting a reception volume; - a combustion chamber, arranged outside of the reception volume, and comprising a burner supplied with combustion air to produce a flame; - a tank with fuel, arranged in the reception volume; - fixing means, arranged to fix the combustion chamber to the frame so as to leave a gap zone between the combustion chamber and the frame; - a feed pipe, comprising a part extending in the gap zone, and arranged to connect the tank with fuel to the combustion chamber so as to feed the burner with fuel; - a discharge duct (C e), arranged in the reception volume for discharging combustion flue-gases out of the frame; - a discharge pipe, comprising a part extending in the gap zone, and arranged to connect the combustion chamber to the discharge duct (C e) so as to discharge the combustion flue-gases from the combustion chamber; - a heat exchanger, arranged in the reception volume to transfer heat energy from the combustion flue-gases to ambient air of a first room to be heated circulating in the reception volume, characterized in that the heat exchanger comprises a separation plate arranged to delimit first and second transfer surfaces (S1, S2); and in that the stove further comprises: - first circulation means, arranged to make the ambient air circulate from the first room to be heated into the reception volume via the first transfer surface of the heat exchanger, the first circulation means being intended to expel the ambient air heated by the first transfer surface to the first room to be heated; - second circulation means, arranged to make the ambient air circulate from the first room to be heated into the reception volume via the second transfer surface of the heat exchanger, the second circulation means being intended to expel the ambient air heated by the second transfer surface to a second room to be heated. - a frame, delimiting a reception volume; - a combustion chamber, arranged outside of the reception volume, and comprising a burner supplied with combustion air to produce a flame; - a tank with fuel, arranged in the reception volume; - fixing means, arranged to fix the combustion chamber to the frame so as to leave a gap zone between the combustion chamber and the frame; - a feed pipe, comprising a part extending in the gap zone, and arranged to connect the tank with fuel to the combustion chamber so as to feed the burner with fuel; - a discharge duct (C e), arranged in the reception volume for discharging combustion flue-gases out of the frame; - a discharge pipe, comprising a part extending in the gap zone, and arranged to connect the combustion chamber to the discharge duct (C e) so as to discharge the combustion flue-gases from the combustion chamber; - a heat exchanger, arranged in the reception volume to transfer heat energy from the combustion flue-gases to ambient air of a first room to be heated circulating in the reception volume, - first circulation means, arranged to make the ambient air circulate from the first room to be heated into the reception volume via the first transfer surface of the heat exchanger, the first circulation means being intended to expel the ambient air heated by the first transfer surface to the first room to be heated; - second circulation means, arranged to make the ambient air circulate from the first room to be heated into the reception volume via the second transfer surface of the heat exchanger, the second circulation means being intended to expel the ambient air heated by the second transfer surface to a second room to be heated.