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Frequently Asked Questions



With almost all thermostats it is possible to set a program. This has the advantage that after setting a program, the temperature is automatically controlled by the thermostat. With a (floor) heater that works with low temperature heat, the advice is to keep the temperature as constant as possible. A low temperature heater needs time and a lot of energy to reach the desired temperature. By using a program on the thermostat, the interim change of temperature is reduced.

Cold days

On cold days, you may want some extra heat. We collected some tips for using heat effectively and sustainably. 


On hot days you can use free cooling. This consumption is not metered. We collected some tips, so you can optimize the use of cooling.

Using underfloor heating

An underfloor heating system provides an even temperature throughout the home day and night. Underfloor heating heats at a low temperature and comes on more slowly than a traditional radiator. The same applies to cooling via underfloor cooling. For the cooling and heating system to work optimally, Vaanster recommends that the temperature be lowered as a minimum at night or when you leave home for a short time.