
Complete AC electricity cost guide for Siliguri. Monthly bill, units consumed, and money-saving tips based on West Bengal tariff of ₹7.8/unit.
Quick Answer
₹1,966
Monthly Cost
252
Units/Month
₹7.8
Per Unit Rate
A 1.5-ton 5-star inverter AC running 8 hours/day in Siliguri costs approximately ₹1,966 per month at the West Bengal electricity rate of ₹7.8/unit. A 3-star non-inverter AC would cost ₹2,808/month — that's ₹842 more every month.
₹8.2
Per Hour
₹1,966
Monthly
252
Units/Month
Temperature: Siliguri reaches 35°C in peak summer. Every 1°C above 35°C increases AC consumption by ~2.5%.
Usage Hours: Siliguri averages 8 hrs/day in April – June. More hours = proportionally higher bills.
Star Rating: 5-star inverter ACs consume ~43% less electricity than 3-star models. At 8 hrs/day, this saves ₹842/month.
Electricity Rate: West Bengal's rate of ₹7.8/unit directly multiplies your consumption cost.
Room Size & Insulation: Poorly insulated rooms in Siliguri lose cool air fast, increasing AC runtime by 15–25%.
AC Age & Maintenance: Dirty filters increase consumption by 10–15%. Annual servicing saves ₹500–1,000/month in Siliguri.
Siliguri's Himalayan breeze is a natural gift. Use it from 5 PM onwards. Many homes here only need AC for 3–4 months.
Set AC to 24–26°C — each degree above 18°C saves ~6% on your Siliguri bill. That's 24–36% savings at 26°C vs 18°C.
Use ceiling fan with AC — allows 2°C higher setpoint with same comfort, saving 12–14% on electricity.
Clean filters every 3 weeks in April – June — Siliguri's humid subtropical climate clogs filters faster.
Seal room gaps and use thermal curtains — reduces AC load by 15–20% in Siliguri's heat.
Upgrade to 5-star if you use AC more than 6 hours daily — the high electricity rate in Siliguri ensures fast payback.
Daikin 1.5 Ton 5-Star Inverter
Save ₹650/month vs 3★
Voltas 1.5 Ton 5-Star Inverter
Save ₹580/month vs 3★
LG 1.5 Ton 5-Star AI Inverter
Save ₹560/month vs 3★
We compared 50+ models across ISEER, star rating, and real electricity cost. See the top picks that save ₹7,000+ per year on your bill.
See Best Energy-Efficient 1.5T ACs 2026Siliguri is located in West Bengal, which has a domestic electricity tariff of ₹7.8 per unit (kWh) as per the 2026 tariff revision. For a typical household running a 1.5-ton AC for 8 hours per day, the AC alone accounts for 40–60% of the total electricity bill during peak summer months (April – June).
Siliguri's Humid Subtropical climate means average summer temperatures of around 35°C. Siliguri has a pleasant climate due to Himalayan foothills. Summers are warm but not extreme. ACs run 7–9 hrs/day. This directly impacts how hard your AC works — in extreme heat, the compressor runs at higher capacity for longer durations, consuming significantly more electricity.
Choosing the right AC for Siliguri is critical. A well-sized 5-star inverter AC is the most energy-efficient choice. The standard rule is 0.0667 tons per square foot, but in Siliguri's heat, add 10–15% buffer tonnage for rooms above ground floor or with direct sun exposure.
For Siliguri residents, the BEE 5-star rating is a financial decision, not just a label. A 5-star inverter AC saves approximately ₹5,054/year compared to a 3-star model. Given Siliguri's 8-hour daily usage, the return on the ₹5,000–8,000 premium is achieved within 12–18 months.
₹7.8/unit
West Bengal Tariff
April – June
Peak Season
35°C
Avg Summer Temp
8 hrs
Avg Daily Usage
₹1,966
1.5T 5★ Monthly
₹842/mo
3★ vs 5★ Saving
Looking for the most energy-efficient 1.5 Ton AC in Siliguri?
We compared 50+ models across ISEER, star rating, and real electricity cost. See the top picks that save ₹7,000+ per year on your bill.
See Best Energy-Efficient 1.5T ACs 2026 →