Chamber vacuum sealers are built for commercial use, but they can be used for household purposes as well. Compared to external vacuum sealers, they are larger in size, more powerful, and expensive. If you’re choosing between the two, consider the option that best fits your household needs. Get the high-powered alternative if you like sealing perishables, leftovers, and liquids. An external vacuum sealer will do just fine if you don’t have to use it every day.