How This Calculation Works
Limescale (calcium carbonate) acts as a thermal insulator. Just 1.6mm of buildup can decrease heat transfer efficiency by up to 12%.
European Limescale Cost Estimator
Hard water significantly reduces the efficiency of your heating appliances. Search for your municipality below or enter your water hardness manually.
Water Hardness (mg/L)150 mg/L
Energy Price (€/kWh)€0.30
Limescale Cost Estimator
Estimated Extra Energy Cost
€8.1 / yr
Appliance Lifespan Reduction
5% faster wear
Annual Descaling Products
€36 / yr
5-Year Cumulative Cost Projection (€)
€45
€90
€136
€183
€232
Financial Impact Warning
At 150 mg/L, households in this region lose an estimated €41 every 5 years purely to mineral scaling inefficiency.