Storage Unit Cost for Climate Control. You can expect your storage unit cost to go up by at least $25 to $30 per month for a climate-controlled unit.

More than one in 10 U.S. households rent a storage unit, signing on for a monthly bill that can suddenly jump in price. If you need one, here's how to keep costs down.

Expect to pay between $45 and $450 per month for a storage unit, depending on various factors, and expect those costs to go up every year. Beware of extra fees and check hours of access. Not all ...