| THEREDSEA | Water reeds (wild) in heat flourish (3,3,3) |
| REPECHAGE | In rowing, a race where runners-up in heats compete for a place in the final (9) |
| QUALIFIER | As prisoner for a long time one's kept in heat |
| TAKESHAPE | Shimmering in heat, peaks assume definite form |
| SWELTERED | Suffered in heat |
| AUTHENTIC | Actual cut in heat production (9) |
| MICROWAVE | Bird between two big roads in heat |
| ATHENIANS | Greeks struggling in heat since about noon |
| IANTHORPE | Retired swimmer beats pro in heat (3,6) |
| INSULATOR | Substance that keeps in heat or cold |
| SUNSCREEN | Star from The Shield offers protection to one of those getting tanned in Heat (9) |
| PANAMAHAT | Both parents touring North Australia, energy fading in heat, getting protection from sun (6,3) |
| AUTOCROSS | In Britain, motor-racing over a course of rough grass, performed singly or in heats (9) |
| GETSHOTOF | Eliminate in heats a lot (ten to go) |
| THATCHER | Artisan who makes roofs from long straw, wheat straw or water reed; or, the prime minister to be portrayed by Gillian Anderson in series four of The Crown (8) |
| PONDERED | Thought to be a water reed of a new kind (8) |
| THATCH | Rural cottage roof constructed from long straw, combed wheat reed or water reed using a traditional craft dating back to the Bronze Age (6) |
| HOB | Leaders in heat of battle in hot spot |
| AGA | A source of heat largely in heat-retaining stove (3) |
| SUBZERO | Returning Australian coach hugs Clarke and Warner in the end for scoring less than duck in Heat! (3-4) |