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AC Running Cost Per Hour Calculator:
Exact ₹/hour for any AC

AC Running Cost Per Hour Calculator (India 2026) — No signup required, instant result. Pre-loaded with all state electricity tariffs.

Instant ₹/hour result
All state tariffs
1★ to 5★ ratings
BEE 2026 accurate
₹0.63
5★ cost per hour
1.5T at ₹6/unit
₹1.22
1★ cost per hour
1.5T at ₹6/unit
18 states
Tariffs covered
2026 rates
5 sizes
Tonnage options
0.8T to 2.0T

AC Running Cost Per Hour Calculator

5

Running Cost Per Hour

7.35

1.5T 5★ · Delhi · 1.05 kW

Star Rating
₹/Hour
₹/Day (8h)
Monthly (8h)
1
14.18
113.4
3,402
★★2
12.39
99.1
2,974
★★★3
10.50
84.0
2,520
★★★★4
8.92
71.4
2,142
★★★★★5
7.35
58.8
1,764
1.5T · ₹7/unit (Delhi)

How is AC running cost calculated?

Formula: Cost/Hour = Tonnage × Star Efficiency Factor × Electricity Rate
Example: 1.5T 5★ = 1.5 × 0.7 × ₹7 = ₹7.35/hour
Star efficiency factors: 1★=1.35, 2★=1.18, 3★=1.00, 4★=0.85, 5★=0.70 (relative to 3-star baseline)

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Use our free how much electricity does an AC consume per hour, AC energy cost per hour and 1.5 ton AC power consumption per hour to instantly find out your exact electricity cost — no signup required.

How to Reduce AC Cost

Set 24–26°C — saves 18–36% vs 18°C
Use 5-star inverter AC — saves 30–40%
Use ceiling fan alongside — saves 12–14%
Service every 3 months — saves 10–15%
Seal room gaps — saves 15–20%