One person buying a bottle of water a day in Ireland spends about €547.50 a year , according to Refill Ireland. That is €3,285 over six years. An ArkkZ reverse osmosis system costs €439 today, with fi...

Quick answer: In hard water areas, limescale builds up inside your boiler and your home appliances. That layer of scale makes them work harder. Your energy cost goes up and so does your maintenance bi...