What is normal for a temperature hysteresis (or "dead band") in a wine fridge? I am seeing 5F and more. It is a Vinotemp VT182.
Long story short I modified it to become a beer fermenting chamber and added heating capability. Due to it being winter out here it is operated in heat mode right now and the original controller is still used to measure and regulate temps. I didn't hack the micro controller part of it (yet ...). Currently it is set to 65F. Heat came on at 63F or 64F and now it's topped out at 69F, still heating. Since the heater is wimpy that means it may be always on until it gets warmer outside. No problem, just got me to wonder why the hysteresis is so large on these.
In case someone wants to know what's currently in there: American Wheat, Honey Porter, IPA and Pale Ale. It sure beats having all these buckets standing around in the downstairs room and having to run the pellet stove just for the fermenters.