What Does a Water Softener Cost a 34 Bathroom House? Three or four bathroom homes usually need a medium to high capacity water softener. These systems are made to accommodate increased water consumptions of high mineral content of hard water. Such systems cost between 1,500 and 4,000 money depending on the brand, type of system, and installation needs. Most individuals who own larger houses and want to know how much a water softener fits in their home size are the ones who enquire how much is a water softener before it is time to decide on the correct system to use. Homes that use more water would require a system with a larger grain capacity that would allow them to soften the water without necessarily undergoing a regeneration cycle frequently. Read more:https://houseura.com/blog/how-much-is-a-water-softener/