This product controls the temperature inside the beehive. You set the inside thermostat for fan to come on. It's preset to come on at 90 degrees. There is also a cold outside air shutoff wich is preset to 88 degrees. This protects the brood from having cold air brought into the hive.
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We developed this high quality product to help control the high humidity in bee hives that cause so many problems. Problems like molds, insects and diseases are made worse by high humidity. Controlling temperatures can also increase honey yields by freeing up bees from activities like bearding and allow them to forage for nectar and pollen.