The boiling temperature of the liquid can be changed by changing the pressure on the liquid:

The rate of heat consumption (BTU/hr ) has the unit of _____:

A Btu is a unit of heat energy:

The heat content of a substance is called ________:

A heat exchanger in an HVAC system or home furnace uses _____ to transfer heat.

When the temperature of the substance is reduced to -273 C or 0 K molecular movement in the substance:

_____ separates the steam side of the heating system from the condensate side:

The space heater does heat the air:

Economizers typically increase overall boiler efficiency by _____ :

1 boiler horsepower = ______ Btuh

Air is drawn through the combustion chamber by an Induced Draft fan or blower to maintain a ______ pressure:

The Celsius scale is divided into _______ degrees, from the freezing point of water to the boiling point