Energy & Utilities
Energy Efficiency (SEER) Calculator
Lets users plan and optimise energy efficiency (seer) instantly with formula, steps and examples — no manual math.
Enter your details
BTU/hr
₹/kWh
Your result
Annual energy use
900 kWh
12000 BTU/hr at SEER 16 for 1200 h/yr = 900 kWh (₹7,200).
Annual running cost
₹7,200
About this calculator
SEER (Seasonal Energy Efficiency Ratio) = seasonal BTU output ÷ watt-hours input. Annual kWh = BTU/hr × hours ÷ (SEER × 1000). Higher SEER means lower running cost — a 20 SEER unit uses ~20% less than a 16.
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