| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | central heating | Singapore | Uncommon due to the warm climate, with a stronger emphasis on air conditioning for climate control | 1 |
| 2 | heating element | Singapore | Rarely used due to the tropical climate, often considered unnecessary | 1 |
| 3 | space heater | Singapore | Less common due to the generally warmer climate and smaller living spaces | 1 |