I live in Buffalo, NY so it obviously gets cold up here during the winter months. I prefer to keep my steeping bottles in the garage because we have 3 dogs and 2 cats and I don't want them knocked over. My question, is it too cold out there to be effective or does that not matter? My garage is not heated nor is it insulated so the temp in there stays around 40 degrees, give or take. It never gets below freezing in there though.