Most simply, who would then pay for the heat and hot water?

Up to 90 percent of the energy used in this process is for heat, not light, production.

How can you pay for water and heat with that price?

Hot water near the surface of Earth can be used directly for heat.

Most people seemed happy to trade the rain for the heat.

But no, as a matter of fact, black is an excellent color for heat.

He has an argument with the others about the lack of food and the fact they have no fire for heat.

A small fire could be set in the center of the floor for heat and cooking.

"I had to turn a few people away who use it for heat, and that's very hard to do."

I opened the door and waited for the heat to hit me.