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Annual Estimator · Seasonal Breakdown · BEE 2026

Cassette AC Running Cost
Calculator (Annual & Seasonal)

Plan your yearly HVAC budget with precision. See how summer heatwaves, monsoon humidity, and winter low-usage affect your cassette AC electricity costs across all 12 months.

Summer +30% Load
Monsoon Baseline
Winter -70% Load
5-Year Projection
₹45,000
Avg Annual Cost
1.5T inverter · 10 hrs/day
60%
Summer Share
Apr–Jun = highest bills
₹12,600
Inverter Savings
vs non-inverter yearly
3.2 yrs
Payback Period
Inverter upgrade ROI
4.8/5

Rated 4.8 out of 5 by 2,340+ users — India's most trusted AC bill calculator

Verified ratings
Reviewed by Sulaiman Sekh — HVAC ExpertS.R EnterpriseHitachi Authorized

8+ years practical experience in AC / Plant Installation, Maintenance and Repair. HVAC Expert at S.R Enterprise under the authorized dealership of Hitachi. All data is verified against 2026 BEE Tariff Orders and manufacturer specifications.

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10 hrs/day
8/unit

Configure settings and click Calculate to see running costs.

How This Calculation Works

Commercial HVAC calculations use verified BEE 2026 data and industry-standard formulas.

1

Select Tonnage

Choose 1, 1.5, 2, or 3 Ton cassette AC capacity.

2

Pick Inverter/Non-Inverter

Inverter models save significantly across all seasons.

3

Set Runtime & Rate

Enter daily hours and your city electricity rate.

4

View Seasonal Split

Summer (+30%), monsoon (baseline), winter (-70%) breakdown.

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Know your annual cost? Now reduce it.

Inverter cassette ACs and smart usage patterns can cut your running cost by 30–40%.

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