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Many individuals misunderstand how thermostats operate, leading to common misconceptions. A frequent point of confusion is the belief that setting the thermostat to a higher temperature will heat a space more quickly. In reality, cranking the temperature up simply makes the system work longer to reach that target. The furnace will run at its maximum capacity until it reaches the set temperature, as there are no intermediate settings in typical home appliances.

Moreover, while modern digital thermostats have more advanced features, they essentially serve the same fundamental purpose as simpler models. Newer models may connect to the internet and come with programmable settings, but their operation remains linked to the traditional on-off mechanism connected through simple wiring.