The heat was penetrating, warming, and once again she wasn't sure, couldn't tell whether the water warmed his skin, or vice versa.

The heat had penetrated now through his cloak and tunic.

The heat of her body, its musk, penetrated him.

The heat finally penetrated deep enough for him to stand up and turn his back to the fire.

The heat and the thick, acrid smoke penetrated the entire clearing.

She felt the heat of his hands penetrate her clothing, felt the tension building within him.

The sun was now straight above him in the sky, and its heat penetrated the crowns of the trees.

He was so close I could feel the heat from his body penetrate mine.

While the heat can penetrate through the walls, the most direct route to the interior is through the windows.

The heat rose from the deck and penetrated the soles of his shoes.