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Air conditioner and Heater


Moderate temperature throughout the year.

For all species including high/low temperature sensitive species.


[ Spring (below 15 degree C) ] Indoor heating

[ Spring (above 15 degree C) ] Indoor or Outdoor

[ Summer (below 25 degree C) ] Indoor or Outdoor

[ Summer (above 25 degree C) ] Indoor air conditioning

[ Autumn (above 15 degree C) ] Indoor or Outdoor

[ Autumn (below 15 degree C) ] Indoor heating

[ Winter (above 15 degree C) ] Indoor or Outdoor

[ Winter (below 15 degree C) ] Indoor heating


Cultivate indoors while the lowest outdoor temperature is below 15 degree C and the highest outdoor temperature is above 25 degree C.

Cultivate indoors using the air conditioner or the heater while the outdoor temperature is below 15 degree C or above 25 degree C. Keep the temperature between 15 and 25 degrees.

Open windows for a good ventilation while the outdoor temperature is between 15 and 25 degree C, for example, during the daytime in winter and the night in summer.


[ Important points ]

As the room temperature near the windows will be almost same as the outside temperature, it is good to hang curtains over the windows.

It is known that some species do not flower without touching cold air.