The word(s) "heaven" appears 275 time(s) in 267 verse(s) in Quran in Muhammad Habib Shakir translation.

(11) Whatever is in the heavens and whatever is in the earth is Allah's; and whether you manifest what is in your minds or hide it, Allah will call you to account according to it; then He will forgive whom He pleases and chastise whom He pleases, and Allah has power over all things.

(12) Allah-- surely nothing is hidden from Him in the earth or in the heaven.

(13) Say: Whether you hide what is in your hearts or manifest it, Allah knows it, and He knows whatever is in the heavens and whatever is in the earth, and Allah has power over all things.

(14) Is it then other than Allah's religion that they seek (to follow), and to Him submits whoever is in the heavens and the earth, willingly or unwillingly, and to Him shall they be returned.

(15) And whatever is in the heavens and whatever is in the earth is Allah's; and to Allah all things return

(16) And whatever is in the heavens and whatever is in the earth is Allah's; He forgives whom He pleases and chastises whom He pleases; and Allah is Forgiving, Merciful.

(17) And hasten to forgiveness from your Lord; and a Garden, the extensiveness of which is (as) the heavens and the earth, it is prepared for those who guard (against evil).

(18) And let not those deem, who are niggardly in giving away that which Allah has granted them out of His grace, that it is good for them; nay, it is worse for them; they shall have that whereof they were niggardly made to cleave to their necks on the resurrection day; and Allah's is the heritage of the heavens and the earth; and Allah is aware of what you do.

(19) And Allah's is the kingdom of the heavens and the earth, and Allah has power over all things.

(20) Most surely in the creation of the heavens and the earth and the alternation of the night and the day there are signs for men who understand.