
with at the different times you have chosen and then leave it
alone to do its job. The best way to do this is to set a lower
temperature first, for example 18°C, and then adjust the
temperature gradually up or down by one degree each day until
you are comfortable with the temperature. The higher a
temperature setting required will result in more energy and fuel
cost.
If your heating system uses radiators, there will usually be only
one programmable room thermostat on each floor to control the
house. But you can still have different temperatures in individual
rooms by installation of thermostatic radiator valves (TRVs) on
individual radiators. If you don’t have TRVs, you should choose
a temperature that is reasonable for each floor or the whole
house. If you do haveTRVs, you can choose a slightly higher