Best energy efficient 1.5 ton inverter Split AC – 2021 (Top 10)

Inverter ACs are the most energy efficient air conditioners, choosing right air conditioner is a difficult and time consuming task, BEE has labelled appliances in the category of star rating, where 5 star is the best, For detail understanding on star rating, please click here. While manufacturer offers lots of features apart from energy efficiency which makes us more confusing. Therefore we have complied list of all best air conditioners available in this category considering price, feature and reputation of manufacturer, For basic detail on Air conditioners performance parameters like tonnage, COP, EER, SEER etc, please click here.

For most affordable 1.5 ton inverter ac click here, for Best energy efficient 1.5 ton window AC click here, For All weather air conditioners of 1.5 TR click here, For best air cooler click here, For Best energy efficient ceiling fans click here

Lets look for the best Air conditioners in most energy efficient category :

1.Toshiba 1.5 Ton 5 Star Inverter Split AC (Copper, Prodig.i3,RAS-18PKCV2G-IN, Gloss White), ISEER -5.6, Annual unit consumption*: 704 Units. Approx price 51000

  • Split AC with inverter compressor: Variable speed compressor which adjusts power depending on heat load. It is most energy efficient and has lowest-noise operation
  • Manufacturer Warranty : 1 year on product, 1 year on condenser, 5 years on compressor
  • Copper Condenser Coil: Better cooling and requires low maintenance
  • Special Features: Antibacterial_Coating; Dust_Filter
  • Refrigerant gas: R32. Environment friendly – no ozone depletion potential and low global warming potential
  • IAQ Filter: Toshiba’s IAQ technology inhibits the reproductive ability of harmful bacteria and viruses. With Toshiba IAQ, your family can breathe easy.
  • Self Cleaning: Keeps the filter dry to prevent any odor & mold formation, resulting in low cost of maintenance
  • Magic Coil: Aqua Resin Coated Coil that reduces the accumulation of dust, making the coil last longer

Pros :

  1. Reputed manufacturer.
  2. Excellent ISEER 5.6, best in industry
  3. Self cleaning filter and well design.
  4. Quite operation with 35dB.

Cons

  1. Use of R32 Gas, slightly flammable,
  2. Air purification should be better.
  3. Compressor warranty 5 years, while others are having 10 years warranty

2. Blue Star 1.5 Ton 5 Star Inverter Split AC (Copper, IC718YCTU, White) ISEER -5.41, Annual unit consumption*: 754 Units. Approx price 49000

  • Split AC with inverter compressor: Variable speed compressor which adjusts power depending on heat load. It is most energy efficient and has lowest-noise operation
  • Manufacturer Warranty : 1 year on product, 1 year on condenser, 10 years on compressor
  • Copper Condenser Coil, Evaporator coil Blue Fin
  • Dust Filter, Active Carbon, Silver ion
  • Refrigerant gas: R32. Environment friendly – no ozone depletion potential and low global warming potential
  • Precision temperature control (0.5 Deg C)
  •  additional + 4 Years Extended Warranty (On Chargeable basis, on PCB/Controller, IDU and ODU coil, Gas Charging, on request through Blue Star service. Terms and Conditions apply)

Pros :

  1. Reputed Indian manufacturer.
  2. Excellent ISEER 5.41, one of best in industry
  3. Good filtration system with active carbon
  4. Compressor warranty of 10 years.
  5. additional 4 year warranty available with additional price

Cons

  1. Use of R32 Gas, slightly flammable,
  2. Cost is on higher side.
  3. Slightly higher noise of 49 dB

3.    Daikin 1.5 Ton 5 Star Inverter Split AC (Copper FTKF50TV White), ISEER -5.33, Annual unit consumption*: 767 Units. Approx price 46199



  • Split AC with inverter compressor: Variable speed compressor which adjusts power depending on heat load.
  • It is most energy efficient and has lowest-noise operation 1.5 Ton
  • Manufacturer Warranty: 1 Year on Product, 1 Year on Condenser, 10 Years on Compressor
  • Copper Condenser Coil: Better cooling and requires low maintenance. Operating current 5.8
  • Stabilizer Inside, Econo Mode, Indoor Unit Quiet Operation, Coanda Airflow, Power Chill Operation
  • Refrigerant gas: R32 – Environmental friendly – no ozone depletion potential

Pros :

  1. Reputed manufacturer.
  2. Excellent ISEER 5.33
  3. 10 Year Warranty on Compressor

Cons

  1. Use of R32 Gas, slightly flammable,
  2. Air purification should be added

4.      Sanyo 1.5 Ton 5 Star Dual Inverter Wide Split AC (Copper SI/SO-15T5SCIC White, ISEER -4.7, Annual unit consumption*:841, Units. Approx price 32490

  • Split AC with latest dual inverter compressor: variable speed compressor which adjusts power depending on heat load. It is most energy efficient and has lowest-noise operation
  • In-built PM 2.5 filter and anti dust filter which purifies air and improves air quality
  • Percent copper condenser coil: better cooling and requires low maintenance; refrigerant gas: R32. – no ozone

Pros :

  1. Energy efficient AC at low price
  2. Japanese technology
  3. Air purification is OK.

Cons :

  1. Compressor warranty low at 5 year.
  2. Product is costly
  3. Use of R32 Gas, slightly flammable.
  4. Not very popular

5.      LG 1.5 Ton 5 Star Wi-Fi Inverter Split AC (Copper LS-Q18SWZA White, Voice Control), ISEER -4.73, Annual unit consumption*: 835 Units. Approx price 45500

  • Split AC with inverter compressor: variable speed compressor which adjusts power depending on heat load. It is most energy efficient and has lowest-noise operation
  • Warranty: 1 year on product (comprehensive), 10 years on compressor (compressor with Gas Charging T&C)
  • Copper with ocean black protection: Prevents from Rust & Corrosion | Increase Durability | Uninterrupted Cooling | Increase Durability
  • LG ThinQ (Wi-Fi) Voice Control (Works with Alexa, Google Assistance)
  • Special features: DUAL Inverter; Ocean Black fin; antibacterial filter; dehumidifier; 4 way; EZ clean filter; Magic display; Himalaya cool; Stabilizer Free Operation (120V~290V); Auto clean; Low Gas Detection; Hi-Grooved Copper
  • Refrigerant gas: R32. Environment friendly – no ozone depletion potential and low global warming potential

Pros :

  1. Reputed Manufacturer
  2. Auto clean and good filteration
  3. Voice control feature.
  4. 10 year compressor warranty

Cons :

  1. Product can be cheaper.
  2. Use of R32 Gas, slightly flammable

6.      TCL Elite iECO 1.5 ton 5 Star AI Ultra-Inverter wi-fi enabled Split AC (Copper, TAC-18CSD/V5S, White, Smart Connectivity), ISEER -4.79, Annual unit consumption*: 841 Units. Approx price 37990




  • AI Ultra-Inverter Compressor: : Variable speed compressor which adjusts power depending on heat load. It is Highly energy efficient and has low noise operation. Technology designed by TCL for ultra-low frequency operation ensures upto 50% energy saving.
  • Warranty: 1 year on product, 1 year on condenser, 10 years on compressor,3 years on PCB
  • Copper: Increases the durability of air conditioner as having the titan gold condenser and evaporator.
  • Refrigerant gas: R32. Environment friendly – – No ozone depletion potential and low global warming potential
  • Dust Filter: ensures that the air inside your home is always free from various harmful particles and make your home safe
  • Smart Connection: TCL AI Ultra-Inverter AC is Google Assistant enabled smart AC that interconnects between the same brands android TV and AC. It also enables operating the smart AC from anywhere across the globe with TCL Home App.
  • Silver Ion Filter: TCL AI Ultra-Inverter AC with Silver Ion Filter ensures that the air inside your room if free from bacteria and Fungi

Pros :

  1. Energy efficient AC at low price
  2. Compressor warranty 10 years.
  3. Good Air purification.
  4. Smart AC.

Cons

  1. Use of R32 Gas, slightly flammable.
  2. Not very popular

7.      Daikin 1.5 Ton 5 Star Wi-Fi Inverter Split AC (Copper FTKR50TV White), ISEER -4.7, Annual unit consumption*: 824 Units. Approx price 51110


  • Split AC with inverter compressor: Variable speed compressor which adjusts power depending on heat load. It is most energy efficient and has lowest-noise operation
  • Manufacturer Warranty: 1 Year on Product, 1 Year on Condenser, 10 Years on Compressor
  • Copper Condenser Coil: Better cooling and requires low maintenance
  • Wi-Fi control for app based connectivity, Alexa Compatible, Stabilizer Inside, Power Chill operation, Room temperature display
  • Refrigerant gas: R32 – Environmental friendly – no ozone depletion potential

Pros :

  1. Reputed manufacturer.
  2. Avg ISEER 4.7
  3. Wifi facility.
  4. 10 Year Warranty on Compressor

Cons

  1. Use of R32 Gas, slightly flammable
  2. Better Air purification should be added

8.      LG 1.5 Ton 5 Star Inverter Split AC (Copper, KS-Q18SNZD, White, Low Refrigerant Detection), ISEER -4.73, Annual unit consumption*: 835 Units. Approx price 44500

  • Split AC with inverter compressor: Variable speed compressor which adjusts power depending on heat load. It is most energy efficient and has lowest-noise operation
  • Warranty: 1 Year (Comprehensive), 10 Years (Compressor with Gas Charging T&C) I 5 Years warranty on PCB (Purchase made in the period 19th February 2020 to 30th June 2020)
  • Copper with ocean black protection: Prevents from Rust & Corrosion; Increase Durability ; Uninterrupted Cooling
  • Magic Display, HD Filter, 2 Way Air Swing, DUAL inverter, 100% Copper, Ocean black protection, Himalaya Cool, Smart diagnosis system, comfort Air
  • EZ Clean Filter, Gold Fin, Stablizer Free Operation(145~290V), Cools @ 52° C, Auto clean, Auto clean

Pros :

  1. Reputed Manufacturer
  2. Auto clean and good filteration
  3. Copper with protection
  4. 10 year compressor warranty

Cons

  1. Product is costly compared to others.
  2. Use of R32 Gas, slightly flammable.

9.     TOSHIBA 1.5 Ton 5 Star Inverter Split AC (Copper, RAS-18N3KCV-IN+RAS-18N3ACV-IN, Gloss White) ISEER -4.69, Annual unit consumption*: 818 Units. Approx price 51100

  • Split AC with inverter compressor: Variable speed compressor which adjusts power depending on heat load. It is most energy efficient and has lowest-noise operation
  • Manufacturer Warranty : 1 year on product, 1 year on condenser, 5 years on compressor
  • Copper Condenser Coil: Better cooling and requires low maintenance
  • Special Features: Antibacterial_Coating;Dust_Filter
  • Refrigerant gas: R410A. No ozone depletion potential
  • IAQ Filter: Toshiba’s IAQ technology inhibits the reproductive ability of harmful bacteria and viruses. With Toshiba IAQ, your family can breathe easy.
  • Self Cleaning: Keeps the filter dry to prevent any odor & mold formation, resulting in low cost of maintenance
  • Magic Coil: Aqua Resin Coated Coil that reduces the accumulation of dust, making the coil last longer
  • Power Select: By limiting the maximum current and power consumption to 100%, 75% or 50%, it ensures lower energy consumption, longer compressor life and higher savings

Pros :

  1. Reputed manufacturer.
  2. Use of R410 Gas, non flammable Air purification is good.
  3. Self cleaning and air purification.
  4. Power control feature

Cons

  1. Compressor warranty low at 5 year compared to other manufacturer.
  2. Lower ISEER of 4.69
  3. Costly product.

10.      Panasonic 1.5 Ton 5 Star Inverter Split AC (Copper CS/CU-NU18VKYW White), ISEER -4.66, Annual unit consumption*: 1013 Units. Approx price 45990

  • Split AC with inverter compressor: Variable speed compressor which adjusts power depending on heat load. It is most energy efficient and has lowest-noise operation
  • Manufacturer Warranty : 1 year on product, 1 year on condenser, 10 years on compressor
  • Copper Condenser Coil: Better cooling and requires low maintenance
  • Special Features: Dust_Filter, Dehumidifier, Auto Air Swing, Auto Restart

Pros :

  1. Reputed Manufacturer
  2. Simple design.
  3. 10 year compressor warranty

Cons

  1. Product is costly
  2. Lower ISEER of 4.66
  3. Use of R32 Gas, slightly flammable.

11. Carrier 1.5 Ton 5 Star Inverter Split AC (Copper ESKO NEO HYBRIDJET INV R32CAI18EK5R39F0 White), ISEER -4.62, Annual unit consumption*: 871 Units. Approx price 44000

  • Split AC with inverter compressor: Variable speed compressor which adjusts power depending on heat load. It is energy efficient and has lowest-noise operation
  • Manufacturer Warranty : 1 year on product, 1 year on condenser, 10 years on compressor
  • Copper Condenser Coil: Better cooling and requires low maintenance
  • Special Features: Dust_Filter; Air_Purifier; Dehumidifier
  • Equipped with additional PM 2.5 filter which improves the quality of air by filtering PM 2.5 and other air pollutants up-to some extent.
  • Refrigerant gas: R32, RATED AMP(Amp): 7.3

Pros :

  1. Reputed manufacturer
  2. Compressor warranty 10 years.
  3. Good Air purification.

Cons

  1. Lower efficiency ISEER 4.62
  2. Use of R32 Gas, slightly flammable.
  3. Higher price considering efficiency.

*As per BEE label

List of other Most energy efficient Air conditioners (1.5Tons)

Sr. NoMakeModelISEER (Wh/Wh)Nominal
Marketing capacity (Ton)
Electricity
Consumption (kWh/year)
1TOSHIBARAS-18PKCV2G-IN +
RAS-18PACV2G-IN
5.61.5704.35
2BLUE STARIC718YCTU5.411.5754.85
3VOLTAS45025755.41.5755.41
4CARRIERCAI18DN6R39F0 +
CI186R3BC90
5.41.5756.38
5VOLTAS45028225.41.5756.67
6VOLTAS45028235.41.5752.57
7DAIKINFTKZ50TV16U+RKZ50TV16U5.41.5756.78
8DAIKINFTKF50TV16U+RKF50TV16U5.331.5766.89
9DAIKINJTKJ50TV16U+RKJ50TV16U5.21.4744
10SANYOSI-15T5SAIA / SO-15T5SAIA5.21.5786.48
11DAIKINFCMF50ARV16 +
RZMF50BRV16
5.21.4744.87
12SANYOSI-15T5SCIB/SO-15T5SCIB5.21.5786.48
13CARRIERCAI19SX5R30F05.21.6843.82
14HAIERHSU19P-JS5A(INV)5.111.5802.12
15MITSUBISHISRK18YVS-W65.11.5810.2
16TOSHIBARAV-SE561UP-IN1+RAV-TE561AP-IN5.051.6842.27
17PANASONICS-18PU2Y5/U-18PS2Y55.041.4767.67
18HITACHIRSA518CBEA51.5816.15
19HITACHIRSOS518ACEA51.5816.08
20MITSUBISHI ELECTRICMSY-GR18VF51.5804.45


Worried about the cost of ACs, Please check below for value for money 1.5 ton split energy-efficient air conditioners click Here

For 1.5 Ton Windows AC’s Click Here

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