this product is not suitable as a main heating deviceno chimney connection requiredpleasant radiant heatmobile use thanks to castorsmobile, gas-powered heat generator with strong heating output despite low consumptionefficient use of energy through constant heat distributionthe device works independently of electricity and does not require an external smoke extractorThanks to piezo-electric ignition, oxygen deficiency protection and thermocouple, it offers the highest level of safety K Pro 3400W anthracite gas catalytic heater HGO3400/2