New Delhi, Dec. 22 -- Heating a large room often feels straightforward on paper. You check the square footage, match it with a heater's capacity, and expect consistent warmth. Yet, in reality, two rooms of identical size can behave very differently when heated. One warms up quickly and stays comfortable, while the other feels uneven, draughty, or stubbornly cold. This difference can be confusing, especially when the same heater is used in both spaces. The reason lies not in the room size alone, but in how heat interacts with structure, layout, and airflow.

Large rooms magnify these differences because heat has more space to move, escape, or settle unevenly. Understanding why this happens helps you place and use heaters more effectively, ...