Savings calculators

Estimate before you invest.

Transparent formulas. Your assumptions. No contact details required.

Solar Water Heater Heat Pump Water Recovery Off-Grid Solar

Daily hot water (L)Inlet temperature (°C)Outlet temperature (°C)Energy tariff (₹/kWh)Current heater efficiency (0–1)COP at your conditions (from verified datasheet)Operating days per year

Preliminary estimate

Current annual cost: ₹1,20,623
Heat pump annual cost: ₹32,741
Estimated annual saving: ₹87,882

Based entirely on the assumptions you entered. Not an engineering design or guarantee. Request a detailed report.