Ключевые слова:
Solid-fuelled devices|Thermal efficiency|Firebacks|Hearths|Domestic|Convection heaters|Throats (chimneys)|Testing conditions|Width|Hot-water boilers|Heating equipment|Marking|Design|Fuel consumption|Throat restrictors (chimneys)|Thermal output|Flues|Dimensions|Performance|Performance testing|Volume|Heaters|Boilers|Thermal testing|Test equipment|Solid fuel heating|Burners