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)Assumed solar contribution (0–1)Operating days per year

Preliminary estimate

Heat required per day: 20.3 kWh
Current annual cost: ₹57,833
Estimated annual saving: ₹40,483

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