| Clue | Source | Date |
|---|---|---|
| A hotelier tinkered with air conditioner (3,6) | ||
| A hotelier tinkered with something needed in cold weather (3,6) | ||
| Warming appliance | The New Yorker | 19 Aug 2019 |
| Winter warmer | LA Times Daily | 08 Sep 2016 |
| Winter warmer | ||
| Small room-warming device | ||
| Solution for poor insulation, perhaps | ||
| Solution for poor insulation, perhaps | ||
| Barrel-shaped device |