Supermax (short for: super-maximum security) is the name used to describe control-unit prisons, or units within prisons, which represent the most secure levels of custody in the prison systems of certain countries.
Consumer Complaints and Reviews. Outrageously expensive for services not provided: $690 - the cost to purchase your own, high-quality softener and RO filtration plus 1 year of filters and salt. $5,770 - the cost of a 3-year contract with Culligan to rent their basic softener and RO filtration with service.
Soft water will also improve water heater efficiency and leave no water spots on glassware in the dishwasher. A water softener company will charge $915 to install a good quality water softener system for a small house with one and a half bathrooms. If you have plumbing experience and tools, you can buy the unit and the installation kit for $495, the water softener installation cost, and save 45 percent. Carefully read the directions before deciding whether to install it yourself so that you understand everything that's involved.