How Thermostats Work!
Thermostats control nearly all types of heating and cooling
equipment, keeping room temperatures within a set range. By doing
so, they ensure comfort, cut energy waste, and offer considerable
convenience.
A thermostat has a temperature sensor and an activating switch. Some
are mechanical, others electronic. Not all thermostats work with all
types of furnaces and heaters; a forced-air thermostat, for example,
won't necessarily work with a heat pump. Most thermostats are either
manual, electronic or "line-voltage" (used with electric baseboard
and wall mounted heating).
Programmable, electronic thermostats couple sensors with circuitry
to do the job. Typical programmable thermostats can handle both
heat-only systems-such as forced-air, steam, hot water, and, in some
cases electric-and complete air-conditioning systems. Most are like
minicomputers that can automatically align heating and cooling to
changing daily needs, eliminating unnecessary energy usage and
reducing energy costs.
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