This is the control mounted on your wall to regulate the temperature in your home.
There are programmable and non programmable models to choose from. By choosing a programmable thermostat you can save 5% to 15% a year on your heating bill by turning your thermostat back 10 degrees for 8 hours a day. In the summer, you can follow the same strategy by keeping your home warmer while you are away and lowering the temperature only while you are there.
See the New Prestige
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Vision 8000
Focus 5000
Chronotherm IV
The Common Misconception: A Furnace Works Harder Than Normal to Warm Your Home Back To A Comfortable Setting After The Thermostat Has Been Set Back Resulting In Little Or No Savings
Answer: In fact, as soon as your house drops below its normal temperature, it will lose energy to the surrounding environment more slowly. The lower the interior temperature, the slower the heat loss. So the longer your house remains at a lower temperature, the more energy you save, because your house has lost less energy than it would have at a higher temperature. The same concept in the summer-higher interior temperature will slow the flow of heat into your house, saving energy on air conditioning.