1.   The summer heat is coming on.

2.   Feel to make sure that heat is coming out.

3.   First came heat.

4.   For water, he still goes to a nearby spring, and heat still comes from firewood culled from the forest at the back of the house.

5.   Heat comes from a large masonry stove.

6.   Heat comes from radiators Teasley salvaged from a remodeled Western Carolina University dorm.

7.   Heat comes from wood- or coal-burning stoves.

8.   His heat came from firewood he cut.

9.   I certainly expect the heat to come my way.

10.   I am hearing some sloshing of water in the pipes when the heat comes on, which did not occur before.