Controlling the Heating System Programmable Thermostats: the key to efficient heating One way to help reduce energy use is by turning the thermostat temperature down in the winter and up in the summer.
(Controlling the Heating System Programmable Thermostats: the key to efficient heating One way; is; by turning the thermostat temperature down in the winter and up in the summer)
Controlling the Heating System Programmable Thermostats: the key to efficient heating One way
is
by turning the thermostat temperature down in the winter and up in the summer