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Freqently asked questions

Where can I find the safety distances for sauna heaters?
Answer: For each product, consult the User's Manuals and Brochures. Also, consult your nearest distributor.
Is the connection of an old control centre to a new sauna heater permitted?
Answer: No. The sauna heater and the control centre are always type approved with each other.
Is the connection of a new control centre to an old sauna heater permitted?
Answer: No. The sauna heater and the control centre are always type approved with each other.
What should the sauna door to be like?
Answer: The sauna door should always to be sealed. Thus, the door does not "leak" heat and mix the temperature of the sauna. Refrigerator doors have seals for the same reason.
Why does the sauna not heat up enough?
Answer: Heating up a sauna is dependent on various factors: for example ventilation, door tightness, sauna heater output, the thermal insulation.
What is the correct temperature when taking a sauna?
Answer: There is no correct temperature for a sauna; it depends on the preferences of the one taking the sauna. With heat storing sauna heaters, the sauna has a low temperature, and with wall sauna heaters, the sauna has higher temperatures. To achieve a high temperature, the sauna has to be heated up over a longer time.
Why is the use of ceramic stones not permitted in sauna heaters?
Answer: Ceramic stones will destroy the resistors and shorten their operating life considerably.
What is the best stone for sauna heaters?
Answer: The best stone is always tested by the sauna heater manufacturer. Helo recommends vulcanite mineral, this stone quality is appropriate for the sauna heater and it is safe.
How often is it necessary to reset the sauna heater stones in normal use?
Answer: The stones should be reset according to the following principle: if you use the sauna once a week, the stones should be reset once a year, if you use the sauna twice a week, the stones should be reset twice a year. When resetting the stones, broken and sand-surfaced stones are removed and replaced by new ones. This does not apply to sauna heaters in institutional use!
How do I calculate the sauna volume, when installing an electric sauna heater in the sauna?
Answer: Multiply the height by the width and length. Add the volume of cold surfaces to the previous result: i.e. calculate the stone and glass surface are and multiply by 1.5. The result is in cubic metres, you then add this to the volume of the sauna. Select a sauna heater output according to the result.
How do I calculate the volume of the sauna, when installing a wood burning sauna heater in the sauna?
Answer: Multiply the height by the width and length. Add the volume of cold surfaces to the previous result: i.e. calculate the stone and glass surface are and multiply by 2. The result is in cubic metres, you then add this to the volume of the sauna. Select a sauna heater output according to the result.
Can there be stone and glass surfaces in a sauna with a heat storing sauna heater?
Answer: Yes, but all the walls and ceiling must be thermally insulated.
When an electric sauna heater is installed in the sauna, how is the ventilation to be arranged?
Answer: The basic rule is the inlet is located above the sauna heater and the exhaust as low as possible in the sauna, below the sauna benches, on the opposite side. Thus the inside temperature is as even as possible.
When a wood burning sauna heater is installed in the sauna, how is the ventilation to be arranged?
Answer: The supply air valve should be next and below the sauna heater, the exhaust air valve should be in the ceiling.
Is it permitted to install the control centre in the sauna?
Answer: Familiarise yourself with the User's Manual and the Brochure. There are several models in the selection, which can be installed in the sauna room.
Why do you go into a "cold" sauna with a heat-storing sauna?
Answer: When a heat-storing sauna is used in the sauna, the sauna is not preheated; instead, the energy in the stones of the sauna heater is used for taking a sauna.
Why does the temperature shown in the electronic control centre differ from the sauna's own mechanical thermometer?
Answer: The electronic control centre is more accurate than the mechanical thermometer. The measurement locations are not the same.
Are there sauna-heater models where you do not have to go to a gloomy sauna and crouch down to turn the mechanical controller?
Answer: Yes, there are, most of the Easy centres are inexpensive and they can be connected to most sauna heater models. Helo has invested strongly in this, so you will also find other alternatives in the range.
Can you change spare parts, such as resistors yourself?
Answer: No. Only an authorised person is allowed to change spare parts according to the electricity regulations in force. See Contract Service Companies.
If the sauna heater breaks down, during the guarantee period, whom do I contact?
Answer: Contact the nearest contract service company.
Where can I find the nearest distributor?
Answer: See the section Distributors from our pages.
How long is the guarantee for sauna heaters?
Answer: The electric sauna heaters have a two-year guarantee; the spare parts have a one-year guarantee. Wood burning sauna heaters have a one-year guarantee.
Where can I buy spare parts for the sauna heater?
Answer: Contract service companies sell spare parts.
Where can I find a Helo guarantee service company?
Answer: See section Distributors / Contract Service Companies.
Do the service companies sell new sauna heaters as well?
Answer: Yes they do. They also provide installation service.
What do I do if there are problems with the sauna heater?
Answer: Call the nearest service company.
Where can I find a sauna heater fitter?
Answer: You can find a sauna heater fitter in the list of contract service companies.
Is a consumer allowed to install an electric sauna heater?
Answer: No. Only an authorised person is allowed to connect a sauna heater to the electrical network, according to the electricity regulations in force.
Is it wise to use thin insulation?
Answer: It is never wise to save on insulation, as a change will affect the output selection. Pay special attention to the ceiling. We always measure saunas fully thermally insulated. When using a Sauna-Satu, for example the minimum requirement is 60 mm in the walls.
Is it permitted to place an evaporator and an electric sauna heater into the same sauna?
Answer: No. The structures of a sauna room and a steam room are completely different. Both products are controlled separately, and this might cause a safety risk, and the sauna heater to fail.