Begin with the room
Record the room dimensions, insulation, window condition and how you use the space. Take these details to the manufacturer or a qualified installer when asking about suitability. Source: editorial
Match the intended use
The Department of Energy recommends choosing a space heater of the proper size for the room and checking the sizing table supplied with the heater. Source: doe
Ask about the whole system
For installed radiant systems, design choices include the building, floor coverings and the system itself. A portable heater selection chart is not a substitute for an installed heating design. Source: radiant
Keep a room record
Write down the model name and the source of each sizing answer. Our room pages are prompts for this research, not model-specific capacity calculations. Source: editorial