The device can periodically supply heat using hot water.
Sometimes this may not be enough, and you may have to supply additional heat to ward off the cold.
In 1928, an agreement was reached with Calgary Power to supply light, heat, and power to the town for the first time.
A single nuclear reactor was intended to supply heat to two X211 engines.
They used their own converter to supply heat.
"You wouldn't think that only ten years ago that little thing supplied enough heat."
In the brilliant design of the automated warehouse, the furnace supplied heat for the winter months and electricity all year long.
The power generator that supplied heat to the stable whined softly.
An integrated solar heating system supplies heat through the concrete floors of the new addition.
These supplied heat to eight boiler units, four associated with each reactor.