its horses for courses,
every one wants a fermentation room let alone a fridge, but i could never use a fridge as one even a big one is to small for my lot and secondly i have no space what so ever of a second fridge any where in the house and no where outside for it either
i have used brew pads and brew belts but their costs are higher than a aquarium heater 25watts compared to 100w-250watts, which even though leccie is still cheap its a lot of money for me and my hobby to use and there fore not exceptable, we also only use them in the winter time as the house is normally colder than many and even then we only use it for the first fermentation which is normally over in a couple of weeks