● Basic portable water softener ($200-$500) ● Mid-range portable water softener ($500-$1000) ● High-end portable water softener (more than $1000) The price of a portable water softener varies depending on factors such as brand, model, function and capacity.

The main function of a water softener is to convert hard water into soft water. Hard water contains high concentrations of calcium and magnesium ions, which are easy to form scale in pipes, boilers and household appliances, affecting the efficiency and life of the equipment.