A water softener is a great addition to any home for many reasons and is particularly useful in areas where water hardness is particularly high. There are updated Energy Saver pages and consumer guides on water softeners and hard water online, but here's a quick list:
Save money on cleaning products
Improve the efficiency of your water heater
Help treat skin conditions
Reduce cleaning time
Cleaner laundry and dishes
Tastier food and drink
Protect your appliances
Luxurious baths and showers
Streak-free car washes