Added on 10/07/08
We've taken our externally cooled conicals and added a heater for constant temperature control anytime of year. The included Dual-Controller will simultaneously control both the cooling unit and the heater. A 40 watt heater is wrapped around the...
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We've taken our externally cooled conicals and added a heater for constant temperature control anytime of year. The included Dual-Controller will simultaneously control both the cooling unit and the heater. A 40 watt heater is wrapped around the cone, between the stainless conical and the insulation, and has no contact with the beer. We added the heating after years of experience with our externally cooled conicals. When a ferment starts, heat is generated by the yeast as they ferment. This heat is actually retained by the foam insulation. For this reason, the cooling will often be needed to maintain your set-temperature, even during winter time. However, as the ferment begins to slow down and as the reading on your hydrometer drops close to 1.020, heat will stop being generated by the yeast and the ferment will eventually cool to ambient (room) temperature. If the ambient temperature is cooler than the temperature range your yeast will work in, the yeast will drop out of solution. The... See less 
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