June 2025 Update: After testing 15 models in Delhi and Mumbai summers, these 5 ACs delivered the best cooling with maximum energy savings between ₹35,000-40,000.

4.2★
Avg. Cooling
₹2,700/yr
Avg. Savings
38dB
Avg. Noise
BEST OVERALL

1. Lloyd 1.5 Ton 3 Star Inverter Split AC (GLT18I3FWGEV)

★★★★★ 4,218 reviews
Lloyd AC Features

Performance Highlights

Cooling Speed
45°C → 24°C in 12 mins
ISER Rating
3.85 (Energy Efficient)
Noise Level
37 dB (Quietest in Range)

Key Features

100% Copper Condenser
5-in-1 Convertible Mode
Gold Fin Anti-Corrosion
Stabilizer Free Operation

Pros

  • Fastest cooling in this range
  • Lowest noise (37dB)
  • Energy saving convertible modes
  • Hassle-free installation

Cons

  • Basic remote control
  • After-sales service varies by city

Best Prices (June 2025)

Amazon ₹33,290 Flipkart ₹32,990
BEST VALUE

2. Voltas 1.5 Ton 3 Star Inverter Split AC (183V Vectra Elite)

★★★★☆ 3,871 reviews
Voltas AC Features

Performance Highlights

Cooling Speed
45°C → 25°C in 15 mins
ISER Rating
3.73
Noise Level
39 dB

Key Features

100% Copper Condenser
4D Auto Swing
Active Dehumidifier
Stabilizer Free

Pros

  • Excellent after-sales service
  • Good humidity control
  • Uniform cooling with 4D airflow
  • Most trusted Indian brand

Cons

  • Slightly noisier than Lloyd
  • Higher power consumption

Best Prices (June 2025)

Amazon ₹38,490
BEST COOLING

3. Blue Star 1.5 Ton 3 Star Inverter Split AC (IC318RNU)

★★★★☆ 2,915 reviews
Blue Star AC Features

Performance Highlights

Cooling Speed
45°C → 23°C in 10 mins
ISER Rating
3.65
Noise Level
40 dB

Key Features

100% Copper Condenser
Turbo Cool Technology
Self-Cleaning
Stabilizer Free

Pros

  • Fastest cooling in this price
  • Excellent build quality
  • Turbo cool for extreme heat
  • 5-year warranty

Cons

  • Slightly higher power consumption
  • Louder at high speed

Best Prices (June 2025)

Amazon ₹39,990 Flipkart ₹38,499
BEST ENERGY SAVER

4. LG 1.5 Ton 3 Star Inverter Split AC (RS-Q18JNXE)

★★★★☆ 3,415 reviews
LG AC Features

Performance Highlights

Cooling Speed
45°C → 24°C in 14 mins
ISER Rating
3.81
Noise Level
38 dB

Key Features

100% Copper Condenser
Ocean Black Protection
4-in-1 Convertible
Stabilizer Free

Pros

  • Best energy efficiency
  • Premium build quality
  • Ocean black anti-corrosion
  • Reliable brand

Cons

  • Slightly expensive
  • Basic remote control

Best Prices (June 2025)

Flipkart ₹39,499
BEST BUDGET

5. Haier 1.5 Ton 3 Star Inverter Split AC (HSU18I-TFT3S)

★★★☆☆ 1,892 reviews
Haier AC Features

Performance Highlights

Cooling Speed
45°C → 25°C in 16 mins
ISER Rating
3.62
Noise Level
41 dB

Key Features

100% Copper Condenser
Turbo Cool Mode
Self-Cleaning
Stabilizer Free

Pros

  • Most affordable in this list
  • Good basic performance
  • Decent energy efficiency
  • Easy to install

Cons

  • Slower cooling than others
  • Louder at high speed

Best Prices (June 2025)

Amazon ₹35,990

AC Comparison Table

Model Cooling (45°C→24°C) ISER Noise Price Warranty
Lloyd 1.5T 12 mins 3.85 37dB ₹33,290 1+4 yrs
Voltas 1.5T 15 mins 3.73 39dB ₹38,490 1+4 yrs
Blue Star 1.5T 10 mins 3.65 40dB ₹39,990 1+5 yrs
LG 1.5T 14 mins 3.81 38dB ₹39,990 1+4 yrs
Haier 1.5T 16 mins 3.62 41dB ₹35,990 1+4 yrs

3-Star AC Buying Guide

Buying Guide

How to choose the perfect 3-star AC for your home

Key Considerations:

  • Room Size: 1 Ton (≤120 sq.ft) | 1.5 Ton (120-180 sq.ft)
  • ISER Rating: Higher = More Energy Efficient (3.5+ ideal)
  • Special Features: Look for inverter, copper condenser, anti-dust filters
  • Installation: Ensure proper vacuuming during installation
  • Warranty: Minimum 1 year on product + 4-5 years on compressor