For available storage units in Windsor Heights, call StorageMart at 515.276.7757 or visit 6600 Hickman Rd. First month free on select units, get instant quotes online today! Climate controlled storage units in Windsor Heights provide warm air in the winter and cool air during the summer. These types of storage units keep the air circulating to help remove dust and debris from the air, keeping your items more clean and fresh while in storage. Drive-up unit access allows you to park your vehicle directly in front of your storage unit door for quick and easy moving. If you ever need to access your belongings just stop by during our convenient gate access of 6am to 10pm.