AC Electricity Cost in Mumbai
(2026)
Complete AC electricity cost guide for Mumbai. Monthly bill, units consumed, and money-saving tips based on Maharashtra tariff of ₹8.5/unit.
Quick Answer
₹2,677
Monthly Cost
315
Units/Month
₹8.5
Per Unit Rate
A 1.5-ton 5-star inverter AC running 10 hours/day in Mumbai costs approximately ₹2,677 per month at the Maharashtra electricity rate of ₹8.5/unit. A 3-star non-inverter AC would cost ₹3,825/month — that's ₹1,148 more every month.
AC Electricity Cost Calculator
₹8.9
Per Hour
₹2,677
Monthly
315
Units/Month
AC Cost Breakdown in Mumbai
Factors Affecting Your AC Electricity Cost
Temperature: Mumbai reaches 35°C in peak summer. Every 1°C above 35°C increases AC consumption by ~2.5%.
Usage Hours: Mumbai averages 10 hrs/day in March – June. More hours = proportionally higher bills.
Star Rating: 5-star inverter ACs consume ~43% less electricity than 3-star models. At 10 hrs/day, this saves ₹1,148/month.
Electricity Rate: Maharashtra's rate of ₹8.5/unit directly multiplies your consumption cost.
Room Size & Insulation: Poorly insulated rooms in Mumbai 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 Mumbai.
How to Reduce Your AC Electricity Bill
In Mumbai's monsoon, use Dry Mode instead of Cool Mode — it removes humidity without over-cooling, saving 20–30% on units.
Set AC to 24–26°C — each degree above 18°C saves ~6% on your Mumbai 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 March – June — Mumbai's tropical wet climate clogs filters faster.
Seal room gaps and use thermal curtains — reduces AC load by 15–20% in Mumbai's heat.
Upgrade to 5-star if you use AC more than 6 hours daily — the high electricity rate in Mumbai ensures fast payback.
Best ACs to Save Electricity
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★
Find the Most Energy-Efficient AC for Your Usage
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 2026Related Guides & Calculators
Frequently Asked Questions
AC Electricity Cost in Mumbai — Complete 2026 Guide
Mumbai is located in Maharashtra, which has a domestic electricity tariff of ₹8.5 per unit (kWh) as per the 2026 tariff revision. For a typical household running a 1.5-ton AC for 10 hours per day, the AC alone accounts for 40–60% of the total electricity bill during peak summer months (March – June).
Mumbai's Tropical Wet climate means average summer temperatures of around 35°C. Mumbai's high humidity makes it feel hotter than it is. Monsoon season demands strong dehumidification. Look for ACs with Dry Mode or Monsoon Mode. 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 Mumbai 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 Mumbai's heat, add 10–15% buffer tonnage for rooms above ground floor or with direct sun exposure.
For Mumbai residents, the BEE 5-star rating is a financial decision, not just a label. A 5-star inverter AC saves approximately ₹6,885/year compared to a 3-star model. Given Mumbai's 10-hour daily usage, the return on the ₹5,000–8,000 premium is achieved within 12–18 months.
₹8.5/unit
Maharashtra Tariff
March – June
Peak Season
35°C
Avg Summer Temp
10 hrs
Avg Daily Usage
₹2,677
1.5T 5★ Monthly
₹1,148/mo
3★ vs 5★ Saving
- In Mumbai, use a 5-star inverter AC — the 10-hour daily usage ensures fast payback on the star-rating premium.
- Set thermostat to 24–26°C. In Mumbai's climate, 25°C with a ceiling fan feels as cool as 21°C without one.
- Schedule AC servicing before March. A well-maintained AC uses 10–15% less electricity in Mumbai's dusty summer.
- If your Mumbai home gets direct afternoon sunlight, use reflective window film — it reduces AC load by 10–20%.
Looking for the most energy-efficient 1.5 Ton AC in Mumbai?
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 →