FAQ - Heating products

Hot-water bottles start off too hot and then cool down too fast while heating pads provide sustained, even and controllable heat.
What could be more inviting that a soft, warm bed in a pleasantly cool bedroom? Scientists recommend a cool room (16-18°) with fresh air and a comfortably warm bed (20-30°) for a healthy sleeping environment.

All Sanitas underblankets have overheating protection and switch off automatically in case of fault. They are guaranteed safe when used correctly.
All electrically operated products and the electrical wiring and installations in buildings generate electrical and magnetic fields. However, the electrical and magnetic fields generated by heating pads, underblankets, electric blankets and foot warmers are well below the legal values specified in Germany and the recommended values of the World Health Organisation (WHO).

  • Electric field strength: maximum 5000 V/m
  • Magnetic field strength: maximum 80 A/m
  • Magnetic flux density: maximum 100 microtesla
The maximum possible final temperature depends on many factors. They include the product (heating pad, foot warmer, heating underblanket, electric blanket), its design (with or without automatic switch-off) and the room temperature.

It is only possible to give average temperatures measured under standardised conditions at a room temperature of 20 °C (+/- 5 °C).

Different measurement conditions are defined for every product.
This means that the individual values cannot be compared.

  • Heating pads:  70℃ - 75℃
  • Heating underblankets: 60°C - 65°C
  • Electric blankets:  40℃ - 50℃
  • Footwarmers:  45°C - 50°C

Depending on the model, how it is used and the ambient temperature it may take up to 15 minutes after it is switched on at the highest setting before the product (heating pad, electric blanket or footwarmer) feels warm. The maximum end temperature is reached after about 30 minutes. Footwarmers can be placed on carpet or similar insulating objects for faster heating.

Depending on the model of hating underblanket and the environmental conditions (room temperature, mattress, bed covering), it may take up to 30 minutes after it is switched on at the highest setting before the heating underblanket feels warm. The heating underblanket must be completely covered at all times to prevent heat dissipation. The maximum end temperature is reached after about 60 minutes at the earliest.
The electric and magnetic fields emitted by electrical products can interfere with the operation of your pacemaker.

However, they are well below the permissible limits:

  • Electric field strength:  maximum 5000 V/m
  • Magnetic field strength: maximum 80 A/m
  • Magnetic flux density:  maximum 100 microtesla

Therefore, please ask your doctor and the manufacturer of your pacemaker before using this product.