Air source heat pumps, a heating and cooling system.

As part of the renovation process, the school is upgrading the heating and cooling system.

Earlier this year, a computerized system was installed to manage the heating and cooling systems of the store to save on energy.

The other, in the top layer of the thermostat, controls the heating and cooling systems.

The design calls for a "green building," with a heating and cooling system that will use ground water as its main source of energy.

The heating and cooling systems and other functions can be controlled by telephone.

Have you ever heard of a house that doesn't need a heating or cooling system?

Knowing some basic information about how heating and cooling systems work may help you deal with system mishaps by yourself.

But by far the biggest advance is in heating and cooling systems for old houses.

To prevent water condensation, the heating and cooling system must be properly insulated.