best storage

I don’t have a “cool” room big enough for my brewed beer stock. The garage is getting warmer each month due to solar gain on the garage doors acting like a radiator. I’m concerned they are going to warm up and burst. does anyone have a neat trick for beer storage that does not entail bulky and...

After some opinions / advice. Are their any benefits other than aesthetic to using shrink caps on wine bottles? Wine is stored on its side in a cellar, building up stocks so these will sit for at least 6 months to a year. Are they worth the expense or would a wax coat work just as well?