Panasonic 1.5 Ton 4 Star Premium WiFi Inverter Smart Split AC CS/CU-NU18BKY4WX
OUT OF STOCKThe Panasonic 1.5 Ton 4 Star Premium WiFi Inverter Smart Split AC CS/CU-NU18BKY4WX offers dependable cooling and balanced power consumption, featuring 4 Star. Annual Energy Consumption: 759.55 KWh. ISEER Value: 5.20 Energy Rating.
With smart airflow louvers and efficient inverter modulation, it maintains steady ambient comfort while keeping upfront purchase costs reasonable.
- check_circleAffordable upfront purchase price with modern variable-speed inverter tech
- check_circleMaintains consistent room temperature without noisy on/off compressor clicking
- check_circleCopper condenser coils ensure reliable heat exchange
- help_outlineConsumes approximately 15-20% more electricity than a 5-star unit during long daily runs
Best price for closest match Panasonic Premium 1.5 Ton 4 Star Inverter Split AC (White)
₹43,990 at
Product Features:
- 4 Star. Annual Energy Consumption: 759.55 KWh. ISEER Value: 5.20 Energy Rating
PreferredAMAZON
Products like Panasonic 1.5 Ton 4 Star Premium WiFi Inverter Smart Split AC CS/CU-NU18BKY4WX
SHOPCLUES
(Pack of 2) Panasonic 9W Round B22 LED Bulbs Bright White Light, Energy Efficient & Long-Lasting Illumination
₹189
₹500Free shippingAs on 5:58:32pm 01-11-2026
SHOPCLUES
(Pack of 2) Panasonic 9W Round B22 LED Bulbs Bright White Light, Energy Efficient & Long-Lasting Illumination
₹249
₹500Free shippingAs on 5:58:32pm 01-11-2026
CROMA
Panasonic EU 7 in 1 Convertible 1.5 Ton 3 Star Inverter Split Smart AC with Voice Assistance (Copper Condenser, CS/CU-EU18BKY3FM)
₹28,994
₹56,000PANASONIC INV/AC 1.5T EU18BKY3FM W 3SAs on 5:35:53pm 30-10-2026
CROMA
Panasonic EU 7 in 1 Convertible 1.5 Ton 3 Star Inverter Split Smart AC with Voice Assistant (Copper Condenser, CS/CU-EU18BKY3XFM)
₹29,994
₹57,000PANASONIC INV/AC 1.5T EU18BKY3XFM W 3SAs on 5:35:53pm 30-10-2026
CROMA
Panasonic EZ 7 in 1 Convertible 1.5 Ton 3 Star Hot & Cold Inverter Split Smart AC with Voice Control (2025 Model, Copper Condenser, CS/CU-EZ18BKYXFM)
₹32,994
₹59,700PANASONIC INV/AC 1.5T EZ18BKYXFM HNC W3SAs on 6:22:09pm 30-10-2026
PreferredAMAZON
Panasonic 2026 Model CS/CU RU18CKY 3 8 1 Convertable Efficient Cooling 1.5 Ton Inverter Split AC
₹33,990
₹53,500As on 5:44:43pm 01-11-2026
PreferredAMAZON
FLIPKART
Panasonic 2026 Model Auto Cool Crystal Clean Higher Airflow 2 Way Swing 1 Ton 3 Star Inverter Split AC (White)
₹34,990
₹46,500Bank Offer | Annual Power Usage: 576.31 Units | Room Size: 80 to 130 sq. ft.As on 5:57:10pm 01-11-2026
PreferredAMAZON
FLIPKART
Panasonic 2026 Model DustBuster Tech Matter Enabled AI Higher Airflow 2 Way Swing 1 Ton 3 Star Inverter Split AC (White)
₹35,990
₹47,500Saver Deal | Bank Offer | Annual Power Usage: 593.89 kWh | Room Size: 80 to 130 sq. ft.As on 5:58:30pm 01-11-2026
PreferredAMAZON
FLIPKART
Panasonic 2026 Model Auto Cool DustBuster Tech Higher Airflow 2 Way Swing 1.5 Ton 3 Star Inverter Split AC (White)
₹36,990
₹53,000Saver Deal | Bank Offer | Annual Power Usage: 877.07 kWh | Room Size: 130 to 180 sq. ft.As on 5:57:10pm 01-11-2026
FLIPKART
Panasonic 2026 Model DustBuster Tech Matter Enabled AI Higher Airflow 1 Ton 4 Star Inverter Split AC (White)
₹37,990
₹51,000Bank Offer | Annual Power Usage: 514 kWh | Room Size: 80 to 130 sq. ft.As on 5:58:30pm 01-11-2026
FLIPKART
Panasonic 2026 Model DustBuster Tech Matter Enabled AI Higher Airflow 2 Way Swing 1.5 Ton 3 Star Inverter Split AC (White)
₹37,990
₹54,000Saver Deal | Bank Offer | Annual Power Usage: 877.74 kWh | Room Size: 130 to 180 sq. ft.As on 5:57:10pm 01-11-2026
PreferredAMAZON
FLIPKART
Panasonic 2025 Model 1.5 Ton 4 Star Inverter Split AC (White)
₹38,262
₹55,600Only 1 left | Bank Offer | Annual Power Usage: 858.17 Units | Room Size: 130 to 180 sq. ft.As on 5:55:07pm 01-11-2026
PreferredAMAZON
Panasonic CS/CU KN18CKY 1.5 Ton 2 Star Fixed Speed Split AC
₹38,960
₹52,000As on 5:29:38pm 01-11-2026
PreferredAMAZON
Panasonic 2025 Model " Efficient Cooling Advanced Technology CS/CU KN18BKY " 1.5 Ton 3 Star Fixed Speed Split AC (White)
₹39,380
₹55,400As on 5:57:12pm 01-11-2026
PreferredAMAZON
Panasonic 2026 Model 1.5 Ton 3 Star Inverter Split AC (White)
₹39,440
₹57,000As on 5:57:11pm 01-11-2026
FLIPKART
Panasonic 2026 Model DustBuster Tech Matter Enabled AI Heavy Duty Cooling Higher Airflow 1.5 Ton 3 Star Inverter Split AC (White)
₹39,990
₹55,500Only few left | Bank Offer | Annual Power Usage: 908.45 Units | Room Size: 130 to 180 sq. ft.As on 5:57:10pm 01-11-2026
CROMA
Panasonic EU 8 in 1 Convertible 1 Ton 3 Star Inverter Split Smart AC with Google & Alexa Voice Assistant (2026 Model,Copper Condenser, CS/CU-EU12CKY3FM)
₹40,990
₹53,000PANASONIC INV/AC 1T EU12CKY3FM 3S WAs on 5:58:31pm 01-11-2026
FLIPKART
Panasonic 2026 Model DustBuster Tech Matter Enabled AI Higher Airflow 1 Ton 5 Star Inverter Split AC (White)
₹40,990
₹55,000Bank Offer | Annual Power Usage: 460.65 kWh | Room Size: 80 to 130 sq. ft.As on 5:56:48pm 01-11-2026
CROMA
Panasonic VU 7 in 1 Convertible 1.5 Ton 5 Star Inverter Split Smart AC with Voice Assistant (Copper Condenser, CS/CU-VU18AKYF)
₹40,994
₹72,900PANASONIC INV/AC 1.5T VU18AKYF W 5SAs on 5:58:32pm 27-10-2026
PreferredAMAZON
Panasonic 1.5 Ton 3 Star Hot and Cold Inverter Split AC (White)
₹41,990
₹59,500As on 5:57:11pm 01-11-2026
RELIANCEDIGITAL
Panasonic 1.5 Ton 3 Star Premium Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, DustBuster, 55 degree Celsius Operation, Copper Condenser, 8in1 Convertible, 4-Way, CS/CU-EU18CKY3XFMH, 2026 Model, White)
₹43,490
₹59,500* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:58:45pm 01-11-2026
FLIPKART
Panasonic 2026 Model DustBuster Tech Matter Enabled AI Higher Airflow 1.5 Ton 4 Star Inverter Split AC (White)
₹43,990
₹59,500Saver Deal | Bank Offer | Annual Power Usage: 759.55 kWh | Room Size: 130 to 180 sq. ft.As on 5:57:11pm 01-11-2026
RELIANCEDIGITAL
Panasonic 1 Ton 5 Star Premium Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, DustBuster, 55 degree celsius Operation, Copper Condenser, 8in1 Convertible, 4-Way, CS/CU-EU12CKY5FM, 2026 Model, White)
₹43,990
₹60,000* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:57:28pm 01-11-2026
PreferredAMAZON
Panasonic 1.5 Ton 3 Star Hot and Cold Inverter Split AC (White)
₹44,190
₹62,000As on 5:54:03pm 01-11-2026
CROMA
Panasonic EU 8 in 1 Convertible 1.5 Ton 3 Star Inverter Split Smart AC with Voice Assistant (2026 Model, Copper Condenser, CS/CU-EU18CKY3XFMH)
₹44,290
₹59,500PANASONIC INV/AC 1.5T EU18CKY3XFMH 3S WAs on 5:58:31pm 01-11-2026
RELIANCEDIGITAL
Panasonic 1.5 Ton 4 Star Premium Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, DustBuster, 55 degree celsius Operation, Copper Condenser, 8in1 Convertible, 4-Way, CS/CU-EU18CKY4XFM, 2026 Model, White)
₹45,990
₹63,500* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:57:11pm 01-11-2026
PreferredAMAZON
Panasonic 2026 Model EU Temperature Sensors Works 54 C Crystal Clear Indoor Outdoor 1.5 Ton 5 Star Inverter Split AC
₹46,280
₹57,000As on 5:55:36pm 01-11-2026
RELIANCEDIGITAL
Panasonic 1.5 Ton 3 Star Hot & Cold Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, -10 55 degree Celsius Operation, Copper Condenser, 8in1 Convertible, 4-Way, PM 0.1 Filter, CS/CU-EZ18CKYXFM, 2026 Model,White)
₹47,490
₹62,000* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:58:45pm 01-11-2026
CROMA
Panasonic EU 8 in 1 Convertible 1.5 Ton 4 Star Inverter Split Smart AC with Google & Alexa Voice Assistant (2026 Model, Copper Condenser, CS/CU-EU18CKY4XFM)
₹47,490
₹63,500PANASONIC INV/AC 1.5T EU18CKY4XFM 4S WAs on 5:57:11pm 01-11-2026
PreferredAMAZON
Panasonic EU MirAie Matter 55 C Tested EcoTough Outdoor 1.5 Ton 5 Star Inverter Split AC
₹47,790
₹67,500As on 5:55:36pm 01-11-2026
PreferredAMAZON
FLIPKART
Panasonic 2026 Model DustBuster Tech Matter Enabled AI Higher Airflow 1.5 Ton 5 Star Inverter Split AC (White)
₹47,990
₹63,500Saver Deal | Only 2 left | Annual Power Usage: 681.01 kWh | Room Size: 130 to 180 sq. ft.As on 5:57:10pm 01-11-2026
CROMA
Panasonic WU 8 in 1 Convertible 1.5 Ton 4 Star Inverter Split Smart AC with Google & Alexa Voice Assistant (2026 Model, Copper Condenser, CS/CU-WU18CKY4XFM-P)
₹49,290
₹67,500PANASONIC INV/AC 1.5T WU18CKY4XFM-P 4S WAs on 5:57:11pm 01-11-2026
FLIPKART
Panasonic 2025 Model 1.5 Ton 5 Star Inverter Split AC (White)
₹49,293
₹70,500Only few left | Bank Offer | Annual Power Usage: 759.55 Units | Room Size: 130 to 180 sq. ft.As on 5:58:30pm 01-11-2026
RELIANCEDIGITAL
Panasonic 1.5 Ton 5 Star Premium Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, DustBuster, 55 degree celsius Operation, Copper Condenser, 8in1 Convertible, 4-Way, CS/CU-EU18CKY5XFM, 2026 Model, White)
₹49,990
₹67,500* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:58:37pm 01-11-2026
RELIANCEDIGITAL
Panasonic 1.5 Ton 4 Star Premium Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, nanoe+AQI, DustBuster, 55 C Operation, Copper Condenser, 8in1 Convertible, 4-Way, CS/CU-WU18CKY4XFM-P, 2026 Model, Grey)
₹49,990
₹67,500* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:57:11pm 01-11-2026
CROMA
Panasonic EU 8 in 1 Convertible 1.5 Ton 5 Star Inverter Split Smart AC with Voice Assistant (2026 Model, Copper Condenser, CS/CU-EU18CKY5XFM)
₹51,490
₹67,500PANASONIC INV/AC 1.5T EU18CKY5XFM 5S WAs on 5:58:37pm 01-11-2026
CROMA
Panasonic EU 8 in 1 Convertible 1.5 Ton 5 Star Inverter Split Smart AC with Wi-Fi Supported (2026 Model, Copper Condenser, CS/CU-EU18CKY5XFM-G)
₹52,990
₹70,500PANASONIC INV/AC 1.5T EU18CKY5XFMG W 5SAs on 5:55:37pm 01-11-2026
PreferredAMAZON
Panasonic 2026 Model EU MirAIe 55 C Tested Eco Tough Outdoor Unit 2 Ton 3 Star Inverter Split AC
₹53,530
₹72,500As on 5:48:53pm 01-11-2026
PreferredAMAZON
FLIPKART
Panasonic 2026 Model DustBuster Tech Matter Enabled AI Higher Airflow 1.91 Ton 3 Star Inverter Split AC (White)
₹53,990
₹66,500Bank Offer | Annual Power Usage: 1153.74 kWh | Room Size: 180 to 230 sq. ft.As on 5:57:10pm 01-11-2026
PreferredAMAZON
RELIANCEDIGITAL
Panasonic 1.5 Ton 5 Star Premium Wi-Fi Inverter Smart Split AC (Matter-MirAIe, AI, nanoe+AQI, DustBuster, Copper Condenser, 8in1 Convertible, 4-Way, CS-CU-HU18CKY5XFMH-P, 2026 Model, Grey)
₹54,990
₹72,500* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:57:11pm 01-11-2026
FLIPKART
Panasonic 2026 Model DustBuster Tech Matter Enabled AI nanoe AQI Higher Airflow 1.5 Ton 5 Star Inverter Split AC (Grey)
₹55,990
₹72,500Saver Deal | Bank Offer | Annual Power Usage: 704.45 kWh | Room Size: 130 to 180 sq. ft.As on 5:56:49pm 01-11-2026
RELIANCEDIGITAL
Panasonic 2.0 Ton 3 Star Premium Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, DustBuster, 55 degree Celsius Operation, Copper Condenser, 8in1 Convertible, 4-Way, CS/CU-EU24CKY3FM, 2026 Model, White)
₹56,990
₹72,500* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:57:11pm 01-11-2026
CROMA
Panasonic HU 8 in 1 Convertible 1.5 Ton 5 Star Inverter Split Smart AC with Voice Assistant (2026 Model, Copper Condenser, CS/CU-HU18CKY5XFMH-P)
₹57,690
₹72,500PANASONIC INVAC 1.5T HU18CKY5XFMH-P 5S WAs on 5:55:37pm 01-11-2026
PreferredAMAZON
FLIPKART
Panasonic 2026 Model DustBuster Tech Matter Enabled AI Higher Airflow 2 Ton 4 Star Inverter Split AC (White)
₹60,990
₹79,500Only 3 left | Bank Offer | Annual Power Usage: 908.9 Units | Room Size: 180 to 230 sq. ft.As on 5:57:11pm 01-11-2026
CROMA
Panasonic EZ 8 in 1 Convertible 2 Ton 3 Star Hot & Cold Inverter Split Smart AC with Google & Alexa Voice Assistant (2026 Model, Copper Condenser, CS/CU-EZ24CKYFM)
₹63,390
₹75,500PANASONIC INV/AC 2T EZ24CKYFM 3S WAs on 5:58:31pm 01-11-2026
RELIANCEDIGITAL
Panasonic 2.0 Ton 4 Star Premium Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, DustBuster, 55 degree Celsius Operation, Copper Condenser, 8in1 Convertible, 4-Way, CS/CU-EU24CKY4FM, 2026 Model, White)
₹63,990
₹79,500* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:56:49pm 01-11-2026
RELIANCEDIGITAL
Panasonic 2.0 Ton 5 Star Premium Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, Crystal Clean, 55 degree Celsius Operation, Copper Condenser, 8in1 Convertible, 4-Way, CS/CU-EU24CKY5FM, 2026 Model, White)
₹67,990
₹83,500* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:58:17pm 01-11-2026
CROMA
Panasonic EU 8 in 1 Convertible 2 Ton 5 Star Inverter Split Smart AC with Voice Assistant (2026 Model, Copper Condenser, CS/CU-EU24CKY5FM)
₹71,290
₹83,500PANASONIC INV/AC 2T EU24CKY5FM 5S WAs on 5:58:18pm 01-11-2026
RELIANCEDIGITAL
Panasonic 2 Ton 5 Star Premium Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, Crystal Clean, 55 C Operation., Copper Condenser, 8in1 Convertible, 4-Way, CS/CU-ZU24CKY5FM, 2026 Model, White)
₹74,990
₹90,500* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:58:37pm 01-11-2026
PreferredAMAZON
Panasonic 2026 Model MirAie Google Alexa Condenser High Airflow CS/CU ZU24CKY5FM 2 Ton 5 Star Inverter Split AC
₹76,890
₹90,500As on 5:29:09pm 01-11-2026
RELIANCEDIGITAL
Panasonic 2.5 Ton 3 Star Premium Wi-Fi Inverter Smart Split AC (Matter/MirAIe, AI, 55 degree Celsius Operation, CrystalClean, Copper Condenser, 8in1 Convertible, 4-Way, PM0.1 Filter, CS/CU-QU30CKYFM, 2026 Model, White)
₹80,990
₹95,500* This Panasonic AC image is for illustration purpose only. Actual image may vary.As on 5:56:33pm 01-11-2026
CROMA
Panasonic QU 8 in 1 Convertible 2.5 Ton 3 Star Inverter Split Smart AC with Google & Alexa Voice Assistant (2026 Model, Copper Condenser, CS/CU-QU30CKYFM)
₹85,590
₹95,500PANASONIC INV/AC 2.5T QU30CKYFM 3S WAs on 5:19:12pm 01-11-2026
PreferredAMAZON
Universal Remote Compatible Panasonic Remote Converi7 1.5 Ton 3 Star Inverter Split AC
₹295
₹999As on 5:46:34pm 01-11-2026
PreferredAMAZON
Universal Remote comptible Panasonic Remote no 318 Converti7 1 Ton 2 Star Inverter Split AC
₹499
₹999As on 5:57:12pm 01-11-2026
The latest price information for best matches of Panasonic 1.5 Ton 4 Star Premium WiFi Inverter Smart Split AC CS/CU-NU18BKY4WX was updated on 5:58:45pm 01-11-2026.
Product Overview & Value Proposition
The Panasonic 1.5 Ton 4 Star Premium WiFi Inverter Smart Split AC (CS/CU-NU18BKY4WX) represents a sophisticated leap in residential climate control technology. Positioned as a premium smart appliance, this air conditioner is designed for users who demand a blend of intelligent automation, high-efficiency cooling, and advanced air purification. By integrating cutting-edge connectivity with robust mechanical engineering, Panasonic has created a device that serves as more than just a cooling unit; it is a comprehensive environmental management system for the modern home.
The primary value proposition of this model lies in its ability to adapt to varying environmental conditions and user preferences through its Matter-enabled smart ecosystem. As India's first Matter-enabled RAC powered by MirAie, it offers unparalleled interoperability within a smart home setup. This makes it an ideal choice for tech-savvy homeowners looking to integrate their cooling systems into a broader, automated lifestyle. Furthermore, its capacity and energy rating make it a strategic investment for medium-sized living spaces where both performance and operational cost-efficiency are paramount.
Targeting medium-sized rooms ranging from 120 to 170 square feet, this 1.5 Ton unit is engineered to handle significant heat loads while maintaining a controlled, comfortable indoor climate. Whether it is used in a master bedroom, a living area, or a home office, the Panasonic Premium WiFi Inverter Smart Split AC promises a personalized cooling experience that balances power with precision.
Core Specifications & Architecture
At the heart of the Panasonic CS/CU-NU18BKY4WX is a highly advanced Inverter Compressor. Unlike traditional fixed-speed compressors, this variable speed technology allows the unit to adjust its cooling capacity dynamically based on the actual heat load present in the room. This architectural choice is fundamental to achieving both the high cooling capacity and the energy efficiency levels specified for this model.
The technical breakdown of its cooling architecture includes:
- Cooling Capacity: 5100 W, providing robust thermal management.
- Airflow Volume: 703 CFM, ensuring rapid air circulation throughout the designated area.
- ISEER Value: 5.20, reflecting a high level of seasonal energy efficiency.
- Energy Rating: 4 Star, optimized for balanced performance and power consumption.
- Annual Energy Consumption: 759.55 kWh.
- Refrigerant: R32, an environmentally friendly gas with "Zero" Ozone Depletion Potential (ODP).
The internal components are built for longevity and thermal efficiency. The unit utilizes 100% Copper Tubing to facilitate faster and more efficient heat exchange. To protect the integrity of the system, the heat exchanger is treated with a ShieldBlu+ protection coating, which is specifically designed to prevent leakages and extend the operational life of the component. Additionally, the use of a Copper Condenser Coil ensures better cooling performance and reduces the frequency of required maintenance.
The electrical architecture is designed to be resilient, featuring stabilizer-free operation. The unit can function reliably across a wide operating voltage range of 100V to 290V, protecting the sensitive inverter electronics from voltage fluctuations without the need for an external stabilizer.
Performance, Usability & Everyday Experience
Real-world performance is where the Panasonic Premium WiFi Inverter Smart Split AC truly distinguishes itself. One of its most versatile features is the convertible cooling capability. Users can choose from 8 different cooling modes, allowing the compressor to adjust its performance from 40% capacity up to full capacity. This flexibility is essential for matching the cooling output to the specific room occupancy or size, ensuring that energy is not wasted when only minimal cooling is required.
For users seeking a "set and forget" experience, the AI Mode plays a critical role. This intelligent feature helps maintain consistent comfort conditioning by automatically adjusting settings to optimize both comfort and energy savings. This is complemented by the 4-way Swing function, which ensures that the 703 CFM airflow is distributed evenly across the room, eliminating hot spots.
The smart capabilities are a standout aspect of the usability profile. Being Matter-enabled and powered by MirAie, the unit offers seamless control via WiFi. This allows for remote management, scheduling, and integration with other smart home devices. The inclusion of a Hidden Temperature Display on the indoor unit provides a sleek, modern look while still offering essential information at a glance.
Air quality is another pillar of the everyday experience. The unit is equipped with a PM0.1 Filter, which is designed to provide "Healthy Cooling" by filtering out fine particulate matter. This ensures that the air being circulated is not just cool, but also clean. Furthermore, the Dust Buster technology enhances long-term performance by automatically cleaning the outdoor unit (ODU) coils every 8 hours of operation. This prevents dust buildup, which can otherwise degrade cooling efficiency and increase energy consumption over time.
In terms of acoustic comfort, the unit is designed to operate quietly. The indoor unit (IDU) maintains a noise level of 34 dB, which is conducive to sleep and focused work, while the outdoor unit (ODU) operates at 54 dB.
Design, Build Quality & Efficiency
The design philosophy of the Panasonic CS/CU-NU18BKY4WX emphasizes both aesthetic subtlety and rugged durability. The indoor unit features a clean design with a hidden temperature display, allowing it to blend into various interior decor styles without being visually intrusive. Despite its sophisticated features, the IDU remains relatively compact with dimensions of 104.0 cm x 24.9 cm x 29.6 cm and a weight of 12.0 Kg.
The outdoor unit is built to withstand harsh environmental conditions. It is capable of operating in ambient temperatures of up to 55 degrees Celsius, ensuring that cooling remains effective even during extreme heatwaves. The ODU dimensions are 78.0 cm x 28.8 cm x 54.2 cm, with a weight of 24.0 Kg. The build quality is reinforced by the ShieldBlu+ protection coating on the heat exchanger and the use of high-quality copper components, both of which contribute to a longer service life and resistance to environmental degradation.
Efficiency is woven into the very fabric of the machine. The combination of the Inverter Compressor, the 8-mode convertible feature, and the AI Mode ensures that the 759.55 kWh annual energy consumption is managed intelligently. The Dust Buster technology further supports efficiency by ensuring the ODU coils remain clean, maintaining optimal heat exchange throughout the product's lifespan. The use of R32 refrigerant also aligns the product with modern environmental standards, providing high efficiency with minimal ecological impact.
Pros, Cons & Buying Recommendation
Pros
- Advanced Smart Integration: Matter-enabled and MirAie powered for superior smart home connectivity.
- Highly Adaptable: 8 convertible cooling modes allow for precise control over energy and comfort.
- Extreme Heat Performance: Operates effectively in ambient temperatures up to 55°C.
- Air Purification: PM0.1 filter provides high-level air filtration for healthier indoor environments.
- Self-Maintenance: Dust Buster technology automates ODU coil cleaning every 8 hours.
- Durability: ShieldBlu+ coating and 100% copper tubing ensure long-term reliability.
- Voltage Resilience:
About the brand
Panasonic is a recognized consumer brand in India known for offering quality products, competitive pricing, and modern features across major verified retail channels.
verified_user PriceHunt regularly aggregates and compares live prices for Panasonic products across 50+ authorized online stores in India (including Amazon, Flipkart, Croma, Reliance Digital, and Vijay Sales) to help buyers find verified discounts, genuine dealer warranties, and side-by-side spec comparisons.
Specifications for Panasonic 1.5 Ton 4 Star Premium WiFi Inverter Smart Split AC CS/CU-NU18BKY4WX
| kitchenGeneral & Capacity | |
|---|---|
| AC Type | • Split AC with Inverter Compressor: Variable Speed Compressor Which Adjusts Cooling Capacity Depending on Heat Load. The Convertible Feature with 8 Different Cooling Modes Adjusts Cooling Performances Ranging from 40%* to HC* to Match Different Needs Basis Room Size or Occupancy, Enhancing Energy Efficiency and Providing Personalized Comfort with Minimal Effort. • Premium Wi-Fi Inverter Smart Split AC, India's 1st Matter Enabled RAC Powered by MirAie. Dust Buster Technology Auto Cleans ODU Coils After Every 8 Hours of Running to Provide Steady Cooling, Better Efficiency & Longer Life. 100% Copper Tubing Helps in Faster Heat Exchange. AI Mode Helps to Maintain Comfort Conditioning & Saves Energy. With an Ambient Operating Temperature of up to 55 Deg.C and Higher Airflow, Faster Cooling is Ensured Even in Extreme Heat Condition. |
| Capacity | (1.5 Ton): Suitable for Medium Sized Rooms (120-170 sq ft) |
| ac_unitCooling & Hardware | |
| Condenser Coil | Copper Condenser Coil: Better Cooling and Requires low Maintenance. Healthy Cooling: Equipped with PM0.1 Filter to Provide Clean Air. Longer Heat Exchanger Life: Special ShieldBlu+ Protection Coating to Prevent Leakages. |
| Refrigerant | Gas: R32 ? Environment Friendly - "Zero" Ozone Depletion Potential (ODP) |
| boltPower & Electrical | |
| Power & Battery | • Cooling Capacity of 5100 W & Ambient Operating Temperature: Upto 55 Degree Celsius with 4 way Swing. • Key Features- Stabilizer Free Operation with 100-290 V Operating Voltage Range |
| star_outlineGeneral Specifications | |
| Noise Level | IDU - 34 (db) & ODU: 54 (Db). |
| Item Dimensions & Weight | IDU - 104.0 cm x 24.9 cm x 29.6 cm (L x B x H) |
| ODU | • 78.0 cm x 28.8 cm x 54.2 cm (L x B x H) • 24.0 Kg |
| IDU | 12.0 Kg |
| smart_toyHighlights & Other Features | |
| Features | • Airflow of 703 CFM • Hidden Temperature Display • ?Included in the Box: 1 Indoor Unit • 1 Outdoor Unit • 1 Remote Controller • 1 Remote Controller Holder • 2 AAA Battery • Copper Pipes with IDU to ODU Connecting Cable (Length: up to 10 ft.) |
| ecoEnergy & Resource Efficiency | |
| Energy Rating | 4 Star. Annual Energy Consumption: 759.55 KWh. ISEER Value: 5.20 |
Price History & Analysis for Panasonic 1.5 Ton 4 Star Premium WiFi Inverter Smart Split AC CS/CU-NU18BKY4WX
Alternatives to Panasonic 1.5 Ton 4 Star Premium WiFi Inverter Smart Split AC CS/CU-NU18BKY4WX

Godrej 1.5 Ton 5 Star Split Inverter AC 5-in-1 Convertible AI Powered i-Sense
₹40,039
As on 1:36:41pm 11-09-2026
- Split Type
- 1.5 Ton Capacity
- 5.65 W/W Eer
- 5 Star BEE Rating Energy(star) Rating

Samsung 1 Ton 5 Star AR50H12D1ZH/AR50H12D1ZHNNA/AR50H12D1ZHXNA 2026 Model 5 Step Inverter Split AC (White)
₹40,490
As on 6:21:20pm 01-09-2026
- Split Type
- 1 Ton Capacity
- 5.78 W/W Eer
- 5 Star BEE Rating Energy(star) Rating

Godrej 2 Ton 3 Star Split Inverter AC 5-in-1 Convertible i-Sense Technology
₹40,120
As on 1:36:41pm 11-09-2026
- Split Type
- 2 Ton Capacity
- 4.39 W/W Eer
- 3 Star BEE Rating Energy(star) Rating

- Samsung Air Conditioners Powered With BESPOKE AI: Smart And Powerful ACs With Wi-Fi And Voice Control Offering 30% Additional Energy Savings With AI Energy Mode.
- Capacity (1.5Ton): Suitable For Medium Sized Rooms (120 To 150 Sq Ft)
- Energy Rating: 3 Star BEE Rating With Power Saving Mode
- ISEER Rating Of 4.43 W/W (better Than Industry Benchmarks

Godrej 2 Ton 3 Star HIC 24J3TS 2026 Model Inverter Split AC (White)
₹40,120
As on 3:53:49pm 21-05-2026
- Split Type
- 2 Ton Capacity
- 4.39 W/W Eer
- 3 Star BEE Rating Energy(star) Rating

- Split Type
- 1 Ton Capacity
- 5.78 W/W Eer
- 5 Star BEE Rating Energy(star) Rating

Blue Star 1.5 Ton 5 Star IE518PNU 2025 Model Inverter Split AC (White)
₹43,089
As on 3:53:49pm 21-05-2026
- Split Type
- 1.5 Ton Capacity
- 5.05 W/W Eer
- 5 Star BEE Rating Energy(star) Rating

LG 1.42 Ton 5 Star Inverter Split AC AI Convertible 6in1 AS-Q19YNZE2
₹45,490
As on 1:36:41pm 11-09-2026
- LG Split AC With Smart Inverter Compressor: Experience Powerful Cooling With LG Split AC, Featuring An Energy-efficient Inverter Compressor For Optimal Performance And Long-lasting Durability
- Capacity: 1.42 T Split AC - Suitable For Medium Sized Rooms (111 To 150 Sq.ft); Air Circulation: 653/1236 (In/Out) CFM
- Rated Cooling Capacity 5000 W & Ambient Temperature: 55? With 4 Way Air Swing
- Energy Rating: 5 Star Split AC - High Energy Efficiency

- Full Capacity 1 Ton Inverter Split AC : Variable Speed Compressor Provides Optimal Cooling Depending On Heat Load, Ranging From As Low As 50% To As High As 105% Of Capacity, Providing Powerful Cooling Combined With Higher Energy Efficiency For More Savings.
- Cooling Capacity - 3580W: Suitable For 120 To 150 Sq.ft Room Size; 10 Metre Long Reach Airflow; Cools Even At 55?C;
- BEE Star Rating: 3 Star. Annual Energy Consumption: 618.58 KWh. ISEER Value: 4.48; High Part Load (50%) Efficiency 4.65
- 100% Copper Evaporator & Condenser Coil: Better Cooling And Requires Low Maintenance. Anti-Corrosion Treatment On Heat Exchanger: Epoxy Resin Coating On Evaporator And Blue Fin Coating On Condenser Enhance Durability And Long Life With Trouble Free Performance.

- Hitachi Split AC With Inverter Compressor Delivers Faster Cooling And Lower Energy Consumption. The Variable-speed Compressor Intelligently Adjusts Its Power Based On The Heat Load, Ensuring Consistent And Uninterrupted Cooling. Powered By EEV Precision Cool Technology, It Accurately Monitors Cooling Requirements And Regulates Refrigerant Flow For Superior Performance And Enhanced Efficiency
- Capacity : 1 Ton AC Suitable For Small Sized Rooms ( Up To 110 Sq.ft), Delivering Efficient Cooling Even At 54?C. Features 4?Way Swing And 425 CFM IDU Airflow For Powerful, Uniform Cooling
- Energy Rating: 5 Star Best In Class Efficiency
- Annual Energy Consumption : 485.80
Panasonic 1.5 Ton 4 Star Premium WiFi Inverter Smart Split AC CS/CU-NU18BKY4WX vs. Blue Star 1.5 Ton 5 Star IE518PNU 2025 Model Inverter Split AC (White)
Compare live market pricing, specifications, and buying value against its closest competitor
User Reviews for Panasonic 1.5 Ton 4 Star Premium WiFi Inverter Smart Split AC CS/CU-NU18BKY4WX
Comments
Add Comment