A setback thermostat gives the user the option of changing the temperature setting automatically at night and also during the work day when the occupants have left the house. A setback thermostat can help reduce overall household energy consumption.
The more you reduce the thermostat setting, the greater the possibility for savings.
Generally, a drop of 2°C (3.6°F) will lead to some savings and little risk. Some householders reduce temperatures 4°C – 6°C (7°F – 11°F). However, temperature differences this large create potential comfort and moisture problems.
Research from the Canadian Centre for Housing Technology shows that winter setbacks for the houses tested would result in heating cost savings of five to fifteen per cent. The highest savings came with a setback of 6°C (11°F).
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