The word(s) "heat" appears 16 time(s) in 15 verse(s) in Quran in Muhammad Pickthal translation.

(1) On the day when it will (all) be heated in the fire of hell, and their foreheads and their flanks and their backs will be branded therewith (and it will be said unto them): Here is that which ye hoarded for yourselves. Now taste of what ye used to hoard.

(2) Those who were left behind rejoiced at sitting still behind the messenger of Allah, and were averse to striving with their wealth and their lives in Allah's way. And they said: Go not forth in the heat! Say: The fire of hell is more intense of heat, if they but understood.

(3) And We utterly confounded them, and We rained upon them stones of heated clay.

(4) And Allah hath given you, of that which He hath created, shelter from the sun; and hath given you places of refuge in the mountains, and hath given you coats to ward off the heat from you, and coats (of armour) to save you from your own foolhardiness. Thus doth He perfect His favour unto you, in order that ye may surrender (unto Him).

(5) Whoso desireth that (life) which hasteneth away, We hasten for him therein what We will for whom We please. And afterward We have appointed for him hell; he will endure the heat thereof, condemned, rejected.

(6) And that thou thirstest not therein nor art exposed to the sun's heat.

(7) O ye who believe! Let your slaves, and those of you who have not come to puberty, ask leave of you at three times (before they come into your presence): Before the prayer of dawn, and when ye lay aside your raiment for the heat of noon, and after the prayer of night. Three times of privacy for you. It is no sin for them or for you at other times, when some of you go round attendant upon others (if they come into your presence without leave). Thus Allah maketh clear the revelations for you. Allah is Knower, Wise.

(8) And tilled fields and heavy-sheathed palm-trees,

(9) Nor is the shadow equal with the sun's full heat;

(10) Unto Him is referred (all) knowledge of the Hour. And no fruits burst forth from their sheaths, and no female carrieth or bringeth forth but with His knowledge. And on the day when He calleth unto them: Where are now My partners? they will say: We confess unto Thee, not one of us is a witness (for them).