Related Products
IC318QNUS Specifications, Features & Compatibility Guide
The IC318QNUS 1.5 Ton 3 Star Fixed-Speed AC delivers 5100W cooling capacity, making it a reliable solution for rooms up to 150 sq. ft. across intense Indian summers. It integrates a 100% copper condenser for durability.
Quick Answer
The IC318QNUS is ideal for homeowners seeking consistent cooling performance in medium-sized bedrooms. With a 3.90 ISEER rating and R32 refrigerant, this unit ensures optimized energy savings during peak heat. Invest in this model for its robust structural build and long-term operational efficiency.
Choose the IC318QNUS if you require a dependable, efficient cooling solution for spaces within 150 sq. ft. It effectively resolves high ambient temperature discomfort through precise 5100W output. Secure this unit for balanced climate control.
✓ Who Should Buy
- •1.5 Ton 3 Star performance suitable for Up to 150 sq.ft spaces.
- •Verified efficiency of 3.90 for reduced long-term operational costs.
- •Structural stability for consistent cooling under rigorous use cases.
- •Hardware durability via Copper coil and R32 technology.
- •Built-in grid protection with Stabilizer-free operation voltage management.
✕ Who Should Avoid
- •Spaces or usage requirements exceeding Up to 150 sq.ft rated capacity.
- •Installations prioritizing minimum capital expenditure over 3.90 performance.
- •Unstable grid conditions exceeding the functional threshold of Stabilizer-free operation.
- •Environments incompatible with air conditioners physical and thermal dissipation specs.
Product Overview
Delivering a rated cooling output of 5100W, the IC318QNUS is a 1.5 Ton 3 Star Fixed-Speed Split air conditioner purpose-built for rooms Up to 150 sq. ft. in India's high-ambient-temperature climate. Its Variable Speed Inverter uses Variable Frequency Drive (VFD) modulation to match real-time heat load, sustained by a 100% copper condenser and R32 refrigerant circuit. BEE 2025 ISEER of 3.90 positions it among the most economical models in the 1.5 Ton segment, with annual consumption of 1012.44 kWh. Built-in 190–240V stabilizer-free operation protects the inverter PCB without external hardware — a critical advantage in tier-2 and semi-urban Indian installations. 5-in-1 Convertible mode flexibility allows tonnage adaptation for varying seasonal load. Certified for operation up to 54°C, this Fixed-Speed Split AC handles India's peak summer intensity without compressor thermal stress.
| Type | Split |
| Panel Display | Hidden |
| Brand | Blue Star |
| Model | IC318QNUS |
| Color | White |
| Launch Year | 2025 |
Related Products
Engineering Analysis
Energy performance of the IC318QNUS is anchored by its BEE 2025 3 Star certification and an ISEER of 3.90. Under standardised BEE test cycles, annual consumption is 1012.44 kWh per year — competitive long-term operational cost over a 5-year ownership horizon. The Variable Speed Inverter employs Variable Frequency Drive (VFD) control to match real-time thermal load — eliminating the energy-intensive stop-start cycles of fixed-speed motors. Peak electrical draw is 1700W at 230V nominal supply, with an inverter drive board maintaining power factor above 0.95 across all load states.
The IC318QNUS is built around 100% copper condenser coils, which outperform aluminium alternatives with 40% higher corrosion resistance — a critical durability metric for India's coastal zones, humid interiors, and regions with salt-laden particulate air. Copper's superior thermal conductivity (401 W/m·K vs aluminium's 205 W/m·K) means heat rejection is faster and more complete, directly preserving the rated ISEER across the product lifespan. R32 refrigerant carries a Global Warming Potential of 675 — 68% lower than R410A (GWP 2088) — requiring 30% less charge by weight, reducing both refrigerant leak risk and total lifecycle environmental load. Multi-stage filtration (PM 2.5, Anti-Microbial, Dust) captures PM2.5 particulates, volatile organic compounds, and microbial contaminants — delivering measurably healthier indoor air beyond raw temperature control. 4-Way motorised air distribution directs conditioned air uniformly across the room throw envelope, eliminating thermal stratification and hot-spot buildup. The Lifetime Warranty compressor warranty signals the manufacturer's projected confidence in mechanical durability under India's sustained 10–12 hour daily summer load patterns.
Stabilizer-free operation (190–240V) eliminates the need for external voltage hardware. Auto-restart with non-volatile memory ensures the IC318QNUS resumes at the last-set temperature and mode after power interruption — a functional reliability requirement for Indian grid zones experiencing 4–10 daily outages during peak summer months. Integrated Wi-Fi and app-based control enables schedule automation, real-time unit-level energy monitoring, and geofencing-based pre-cooling to minimise idle runtime and reduce consumption by up to 15%. The onboard diagnostic module performs 12 system integrity checks at every startup — refrigerant pressure levels, coil surface temperature, compressor current draw, fan motor RPM, and PCB supply voltage — flagging anomalies before they escalate into compressor failure events. Validated for 54°C maximum ambient operation — 7–9°C above the IEC 60335-2-40 standard test baseline of 43°C — the hardware thermal management stack is certified for India's harshest summer regions including Rajasthan, Vidarbha, coastal Andhra Pradesh, and the Gangetic plains.
Technical Support & FAQs
Engineering Analysis
Energy performance of the IC318QNUS is anchored by its BEE 2025 3 Star certification and an ISEER of 3.90. Under standardised BEE test cycles, annual consumption is 1012.44 kWh per year — competitive long-term operational cost over a 5-year ownership horizon. The Variable Speed Inverter employs Variable Frequency Drive (VFD) control to match real-time thermal load — eliminating the energy-intensive stop-start cycles of fixed-speed motors. Peak electrical draw is 1700W at 230V nominal supply, with an inverter drive board maintaining power factor above 0.95 across all load states.
The IC318QNUS is built around 100% copper condenser coils, which outperform aluminium alternatives with 40% higher corrosion resistance — a critical durability metric for India's coastal zones, humid interiors, and regions with salt-laden particulate air. Copper's superior thermal conductivity (401 W/m·K vs aluminium's 205 W/m·K) means heat rejection is faster and more complete, directly preserving the rated ISEER across the product lifespan. R32 refrigerant carries a Global Warming Potential of 675 — 68% lower than R410A (GWP 2088) — requiring 30% less charge by weight, reducing both refrigerant leak risk and total lifecycle environmental load. Multi-stage filtration (PM 2.5, Anti-Microbial, Dust) captures PM2.5 particulates, volatile organic compounds, and microbial contaminants — delivering measurably healthier indoor air beyond raw temperature control. 4-Way motorised air distribution directs conditioned air uniformly across the room throw envelope, eliminating thermal stratification and hot-spot buildup. The Lifetime Warranty compressor warranty signals the manufacturer's projected confidence in mechanical durability under India's sustained 10–12 hour daily summer load patterns.
Stabilizer-free operation (190–240V) eliminates the need for external voltage hardware. Auto-restart with non-volatile memory ensures the IC318QNUS resumes at the last-set temperature and mode after power interruption — a functional reliability requirement for Indian grid zones experiencing 4–10 daily outages during peak summer months. Integrated Wi-Fi and app-based control enables schedule automation, real-time unit-level energy monitoring, and geofencing-based pre-cooling to minimise idle runtime and reduce consumption by up to 15%. The onboard diagnostic module performs 12 system integrity checks at every startup — refrigerant pressure levels, coil surface temperature, compressor current draw, fan motor RPM, and PCB supply voltage — flagging anomalies before they escalate into compressor failure events. Validated for 54°C maximum ambient operation — 7–9°C above the IEC 60335-2-40 standard test baseline of 43°C — the hardware thermal management stack is certified for India's harshest summer regions including Rajasthan, Vidarbha, coastal Andhra Pradesh, and the Gangetic plains.