Humidity and lenses

In Queensland we have high humidity problems in the summer, what is the best way to stop this affecting the lenses.
I have a 50mm lenses that has fungi in it, and I am worried about the other ones.
I saw once a special cupboard with a smal heater in it for that.
Is there anything else or better?
TIA
I have a 50mm lenses that has fungi in it, and I am worried about the other ones.
I saw once a special cupboard with a smal heater in it for that.
Is there anything else or better?
TIA