Description
✅ 1 Year Comprehensive + 5 Years PCB + 10 Years Inverter Compressor
Blue Star's industry-leading warranty — same long-term coverage across the full inverter AC range.
❄️ Blue Star 1.5 Ton 3 Star Inverter. ISEER 4.35. 5-in-1. DigiQ Penta. PM2.5 Filter. IA318EXU.
The Blue Star IA318EXU is the 3-Star mid-range model in Blue Star's 1.5-ton inverter lineup — ISEER 4.35 with 897 kWh annual consumption, 5-in-1 Convertible Cooling for occupancy-based energy savings, DigiQ Penta Sensors for multi-parameter monitoring, integrated PM2.5 filter for Delhi NCR air quality protection, 100% copper condenser, Blue Fins anti-corrosion, R32 eco-friendly refrigerant, 4-way air swing, Turbo Cool, Comfort Sleep, Self Diagnosis, and the full 10-year compressor + 5-year PCB warranty. Made in India.
IA318EXU (3 Star) vs IA518EXU (5 Star) — which 1.5-ton Blue Star to choose
The IA318EXU (ISEER 4.35, 898 kWh/year) has a lower upfront price than the IA518EXU (ISEER 5.65, 698 kWh/year). The 5-Star model saves approximately 200 kWh/year — roughly ₹1,600–2,000/year at Delhi NCR electricity rates. If you run the AC 6–8 hours daily during the full April–October season, the 5-Star model's extra cost is typically recovered in 2–4 years. For rooms used less than 4 hours/day or buyers prioritising upfront cost, the IA318EXU is the better-value choice. Both carry identical PM2.5 filter, DigiQ Penta Sensors, and 10-year compressor warranty.
⚙️ Dual Inverter + ISEER 4.35 — strong mid-range efficiency for everyday cooling
- ISEER 4.35 at 3-Star puts the IA318EXU in the upper band of 3-Star inverter ACs — significantly more efficient than the bottom of the 3-Star range (~3.5 ISEER)
- 898 kWh/year costs approximately ₹7,200–8,980/year at Delhi NCR commercial rates — roughly ₹720–900/month during the 8-month cooling season
- Dual inverter compressor varies speed continuously — eliminates the temperature swings and peak power draws of fixed-speed ACs while maintaining consistent comfort at lower noise levels
- 5-in-1 Convertible Mode further reduces consumption during partial occupancy and mild-weather days — the 898 kWh/year figure assumes full capacity operation; real-world consumption in Convertible Mode is meaningfully lower
- Same 10-year compressor + 5-year PCB warranty as the 5-Star model — buyers get maximum long-term protection at the 3-Star price point
5-in-1 Convertible — tailor capacity to occupancy, not just temperature
Adjusts effective cooling capacity across 5 levels — 40%, 60%, 80%, 100%, and enhanced mode for peak heat. A 1.5-ton AC in a single-occupancy bedroom on a mild Delhi evening in September doesn't need full 1.5-ton output. Running at 60–80% in these conditions reduces the actual electricity drawn and extends compressor life by reducing load cycles. For rooms with variable occupancy — guest bedrooms, home offices sometimes shared, living areas at different times of day — Convertible Mode makes the IA318EXU genuinely adaptive.
DigiQ Penta Sensors — 5-parameter monitoring for precise and protected operation
DigiQ continuously monitors room temperature, ambient outdoor conditions, refrigerant load variations, compressor performance, and system safety — cross-referencing all five simultaneously to optimise cooling output and protect the system. Standard inverter ACs use a single temperature sensor and react to one variable. DigiQ's five-parameter approach means the AC responds to the complete picture of room and system conditions — more consistent comfort and faster Self Diagnosis fault identification when maintenance is needed.
PM2.5 Filter — built-in air quality protection for Delhi NCR conditions
Integrated PM2.5 filter captures fine particulate matter during AC operation — not a separately purchased accessory. Delhi NCR's AQI regularly reaches 200–400 during October–February, with PM2.5 particles penetrating indoors. The filter works continuously while the AC runs — including in dry/fan mode during winter months, providing a degree of air quality improvement in rooms where the AC operates as a fan-only year-round unit. For families with children, elderly, or respiratory sensitivities, this built-in protection provides everyday benefit beyond just summer cooling.
100% Copper + Blue Fins — built for Delhi NCR outdoor durability
Copper condenser for efficient heat exchange and full field-repairability — copper can be brazed on-site when damaged, aluminium cannot. Blue Fin anti-corrosive coating on the outdoor condenser protects against Delhi NCR's industrial pollution, monsoon humidity, and UV exposure that degrades uncoated aluminium fins within 3–4 years. Maintaining fin integrity means the heat exchange efficiency stays consistent across the AC's 10-year compressor warranty period — not gradually declining as the outdoor unit corrodes.
Turbo Cool
Maximum compressor and fan speed for rapid initial pull-down — cools a 150 sq. ft. room that's been sealed and heating during Delhi's afternoon peak significantly faster than Auto mode. Essential for the daily return-home cooling scenario.
Comfort Sleep Mode
Adjusts operation through the night cycle to follow the natural drop in ambient temperatures — prevents the over-cooling in early morning hours (typically 3–5am when Delhi temperatures drop 6–10°C) that disrupts sleep and causes the morning stiffness common with fixed overnight temperature settings.
4-Way Air Swing
Independent horizontal and vertical louver control distributes cooled air evenly across all parts of the 150 sq. ft. room — no cold spot near the unit and no uncooled zone near windows. Essential for consistent comfort in rooms with diagonal furniture layouts.
Self Diagnosis
Displays error codes on indoor unit and remote for instant fault identification. Combined with DigiQ's 5-sensor monitoring, fault identification is more precise and faster to resolve than single-sensor ACs — reducing service call time and downtime during peak summer.
Energy Saver Mode
Optimises compressor cycling for minimum power consumption during periods when the room is already close to the set temperature — evening and night operation when ambient temperatures are lower and full capacity isn't needed.
R32 + Eco-Friendly
R32 refrigerant has one-third the global warming potential of the older R410A it replaces, with equal or better thermodynamic efficiency. Future-ready for upcoming refrigerant transition regulations while delivering reliable cooling performance today.
🎯 Ideal for
| Brand | Blue Star |
| Model | IA318EXU |
| Type | Inverter Split AC |
| Capacity | 1.5 Ton |
| Energy rating | 3 Star |
| ISEER | 4.35 |
| Annual consumption | 897.8 kWh/year |
| Cooling area | Up to 150 sq. ft. |
| Compressor | Dual Inverter |
| Refrigerant | R32 (Eco-Friendly) |
| Condenser | 100% Copper + Blue Fins |
| Convertible modes | 5-in-1 |
| Sensors | DigiQ Penta (5-sensor system) |
| Air filter | PM2.5 Filter |
| Air swing | 4-Way |
| Turbo Cool | Yes |
| Sleep Mode | Comfort Sleep |
| Energy Saver | Yes |
| Self Diagnosis | Yes — error code display |
| Indoor noise level | 51.1 dB |
| Colour | White |
| Country of origin | Made in India |
🛡️ Industry-leading warranty coverage
1.5 Ton Inverter. PM2.5 Filter. DigiQ. 10-Year Compressor. Order today.
Order before 2 PM for 24-hour delivery across Delhi NCR. Authorised Blue Star dealer — best price guaranteed.
Product image shown is for reference only. Actual serial number and manufacturing date may vary. Made in India.
Please Note: The image shown is for reference purposes only. Actual product details, including the serial number and manufacturing date, may vary.
Made in india
