Solid fuel heating apparatus, comprising an entrance aperture suitable for the entrance of comburent air, a combustion chamber configured for combustion of said solid fuel, an entrance pipe disposed between said entrance aperture and said combustion chamber , and an exit aperture for the fumes produced in said combustion chamber , said heating apparatus comprising a combustion control device to control solid fuel combustion, said combustion control device comprising: - measuring means suitable to directly supply an indication of the flow rate of said incoming comburent air and disposed in proximity to said entrance aperture , said measuring means comprising means to create a perturbation in the flow (F) of comburent air along said entrance pipe , configured to be passed through by the whole flow (F) of comburent air entering from the entrance aperture along the entrance pipe and a pressure gauge , applied to said entrance pipe , to measure the difference in pressure of said comburent air upstream and downstream of said perturbation means ; - control means of the electronic type associated to said measuring means to command motorized expulsion means , suitable to selectively force the expulsion of the fumes through said exit aperture of the fumes , and motorized feed means , configured to selectively feed said solid fuel into said combustion chamber ; wherein said control means comprise memorization means which include at least an electronic data base comprising one or more tables which comprise flow rate values of the incoming comburent air, measured experimentally for said solid heating apparatus in conditions of optimal combustion associated with a plurality of indexes correlated to the quality of the combustion in the combustion chamber of the solid heating apparatus , said control means being configured to command said motorized expulsion means and motorized feed means as a function of the outcome of a comparison between the indication of the air flow rate supplied on each occasion by the measurement means and the index correlated to the quality of the combustion in the combustion chamber associated in said tables with said indication of the air flow rate, wherein said control means are configured for verifying in continuous mode the actual flow rate of the comburent air introduced through the entrance pipe and to vary, if needed, the functioning power of the motorized expulsion means so as to keep the flow rate of the incoming comburent air constant, at the pre-established value, depending on the data included in the memorization means and further wherein said control means are configured for selectively adjust the flow rate of the solid fuel into the combustion chamber and are configured to establish the flow rate of the comburent air needed depending on the comparison carried out with the data included in the memorization means in order to optimize the combustion of the solid fuel inside the combustion chamber . - measuring means suitable to directly supply an indication of the flow rate of said incoming comburent air and disposed in proximity to said entrance aperture , said measuring means comprising means to create a perturbation in the flow (F) of comburent air along said entrance pipe , configured to be passed through by the whole flow (F) of comburent air entering from the entrance aperture along the entrance pipe and a pressure gauge , applied to said entrance pipe , to measure the difference in pressure of said comburent air upstream and downstream of said perturbation means ; - control means of the electronic type associated to said measuring means to command motorized expulsion means , suitable to selectively force the expulsion of the fumes through said exit aperture of the fumes , and motorized feed means , configured to selectively feed said solid fuel into said combustion chamber ; <EOS>