BESTACBRAND
DU Tech Team
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Calculate My AC Electricity Bill
Find out exactly what your AC costs per month. Pick your brand, star rating, tonnage & state — we'll show you the real rupee amount.
Enter Your AC Details
Your Estimated Bill
Annual: ₹18,992/year
Monthly kWh
226 units
Effective Watts
942W
ISEER Rating
5.60
₹7/unit rate
Delhi
🎉 Savings vs 3-Star AC
₹750/month
₹8,996 saved annually
2026 Tariff Insight
In Delhi, electricity costs ₹7/unit. Running your 1.5 Ton 5-Star daikin AC for 8 hrs/day costs approximately ₹53/day.
Why This Calculator is India's Most Accurate
Most online calculators use a flat ₹6/unit. We use your actual state tariff plus your actual brand's BEE-certified efficiency.
State-Specific Tariffs
18 Indian states with 2026 electricity slab rates. Delhi, Maharashtra, TN, UP, Karnataka and more — all updated for April 2026.
Brand-Specific ISEER
Each brand has different real-world ISEER values. Daikin, LG, Voltas, Hitachi — we use actual BEE-certified efficiency data.
Engineering Formula
Bill = (Tonnage × 3.517 kW ÷ ISEER) × Hours × Days × Tariff. The same formula used by certified energy auditors.
DU Tech Team Verified
20+ years in aeronautics and mechanical engineering. Our heat load and efficiency formulas are aerospace-grade precise.
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What to Do With Your Bill Result