Now, for the heavy hitters. A whole-house filtration system treats every drop from every tap—showers, toilets, washing machines. This is the king of convenience, but it does carry a price.
Expect to pay $500 to $2,000 for the equipment, plus $200 to $600 for professional installation. Yes, it’s an investment. But if your water has hard minerals or that “swimming pool” smell, this is the only way to win the war.