What language relating to heat and cold does Bradbury use in the passage about Montag returning to bed and hiding the book?

Looking through the section I believe you're questioning, I only find language relating to cold.

He made more soft sounds. He stumbled towards the bed and shoved the book clumsily under the cold pillow. He fell into bed and his wife cried out, startled. He lay far across the room from her, on a winter island separated by an empty sea.

Is this the section you are reffering to?