| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | apartment heating | Sweden | Floor heating systems are popular in apartments due to the cold climate | 1 |
| 2 | central heating | Sweden | Typically powered by fossil fuels and is an integral part of housing infrastructure | 1 |
| 3 | heating systems | Sweden | Heating systems are a crucial part of homes during cold winters | 1 |
| 4 | indoor heating | Sweden | Emphasis on insulating homes and using radiators for efficient indoor heating | 1 |