Description
✅ 1 Year Comprehensive + 5 Years PCB + 10 Years Inverter Compressor
Blue Star's industry-leading warranty — 10-year compressor cover is the longest in the split AC category.
❄️ Blue Star 1.5 Ton 5 Star Inverter. ISEER 5.65. DigiQ Penta. PM2.5 Filter. 698 kWh/yr. IA518EXU.
The Blue Star IA518EXU is the 5-Star efficiency model in Blue Star's inverter lineup — ISEER 5.65 with just 698 kWh annual consumption, 5-in-1 Convertible Cooling, DigiQ Penta Sensors for continuous multi-parameter monitoring, integrated PM2.5 filter for Delhi NCR air quality protection, 100% copper condenser, Blue Fins anti-corrosion coating, R32 eco-friendly refrigerant, 4-way air swing, Turbo Cool, Comfort Sleep, Self Diagnosis, and the full 10-year compressor + 5-year PCB warranty. For medium rooms up to 150 sq. ft.
5 Star vs 3 Star — what the difference actually costs over a Delhi NCR summer
The IA518EXU (5 Star, ISEER 5.65) consumes 698 kWh/year vs the IA322DXU 2-ton (3 Star, ISEER 4.38) at 1131 kWh/year. At ₹8–10/unit, that's approximately ₹3,500–4,330 less per year in electricity. The 5-Star IA518EXU's higher purchase price is typically recovered within 2–3 years through electricity savings — making it the better long-term investment for daily-use rooms, particularly WFH setups running 8+ hours daily during the April–October cooling season.
⚙️ Dual Inverter + ISEER 5.65 — the efficiency case for 5-Star
- ISEER 5.65 is in the top tier for 1.5-ton inverter ACs — the Indian Seasonal Energy Efficiency Ratio measures real-world efficiency across a full Indian cooling season, not just lab peak conditions
- 698 kWh/year means approximately ₹5,600–6,980 annual electricity cost at Delhi NCR commercial rates — roughly ₹560–700/month during the 8-month cooling season
- The dual inverter compressor maintains the set temperature through micro-speed adjustments rather than cycling on and off — the combination of high ISEER and inverter operation delivers the lowest electricity bills possible in this capacity class
- 5-in-1 Convertible Mode further reduces consumption during partial occupancy and mild-weather days — ISEER 5.65 at full capacity already saves significantly; converting down to 60–80% capacity during moderate conditions saves more
- 10-year compressor warranty at 5-Star efficiency means lower running cost and maximum protection — the combination that delivers the lowest total cost of ownership across a 10-year service life
5-in-1 Convertible — the right capacity for every condition
Adjusts effective cooling capacity across 5 levels — 40%, 60%, 80%, 100%, and an enhanced mode for extreme heat. During Delhi NCR's shoulder seasons (March, October) when temperatures are moderate, running at 60–80% capacity reduces electricity consumption significantly while maintaining comfortable temperatures. Combined with 5-Star base efficiency, the IA518EXU in Convertible Mode during moderate days delivers electricity savings that compound meaningfully across a full season.
DigiQ Penta Sensors — 5-parameter continuous monitoring for precision cooling
DigiQ simultaneously monitors room temperature, ambient outdoor conditions, refrigerant load variations, compressor performance, and system safety — cross-referencing all five parameters to optimise cooling and protect the system every second of operation. This multi-sensor approach delivers more consistent room temperature than single-sensor inverter ACs and provides the data foundation for Self Diagnosis to accurately identify any fault codes when maintenance is needed.
PM2.5 Filter — built-in air quality protection for Delhi NCR winters
The IA518EXU includes an integrated PM2.5 filter that captures fine particulate matter as part of its filtration system — not a separately purchased add-on. Delhi NCR's AQI regularly reaches 200–400 during October–February, with PM2.5 concentrations that penetrate indoors through ventilation gaps. The PM2.5 filter works continuously while the AC runs, providing a degree of indoor air quality protection alongside cooling. For families with young children, elderly, or respiratory conditions, this built-in filtration is meaningfully valuable during winter months when the AC runs in dry/fan mode.
100% Copper Condenser + Blue Fins — durability built for Indian outdoor conditions
Copper condenser for efficient heat exchange and full on-site repairability. Blue Fin anti-corrosive coating on the outdoor condenser protects against Delhi NCR's combination of industrial pollution, monsoon humidity, and dust. Uncoated aluminium fins degrade within 3–4 years in Indian urban environments, reducing heat exchange efficiency progressively — Blue Fins maintain performance across the AC's full service life. R32 refrigerant with one-third the global warming potential of older R410A completes the eco-conscious specification.
Turbo Cool
Maximum compressor and fan speed for rapid initial temperature pull-down — cools a hot, closed 150 sq. ft. room significantly faster than standard Auto mode. Essential for Delhi NCR where rooms heat to 38–42°C during sealed afternoon periods.
Comfort Sleep Mode
Automatically adjusts cooling across the night cycle — preventing the over-cooling in early morning hours when outdoor temperatures drop, which causes the morning stiffness and disrupted sleep that standard fixed-temperature overnight cooling creates.
4-Way Air Swing
Independent horizontal and vertical louver control distributes cooled air evenly across the full 150 sq. ft. room — no cold spots near the unit and no uncooled corners near windows and walls. Essential for consistent comfort throughout the room.
Self Diagnosis
Displays error codes on indoor unit and remote for instant fault identification — faster service resolution. With DigiQ's 5-sensor monitoring feeding Self Diagnosis, fault identification is more precise than single-sensor ACs.
Energy Saver Mode
Optimises compressor cycling for minimum electricity consumption during mild temperatures. At ISEER 5.65 base efficiency plus Energy Saver Mode during moderate conditions, this is among the lowest-running-cost 1.5-ton ACs available.
R32 Refrigerant
Global warming potential of 675 — one-third of the R410A it replaces — with equal or better efficiency performance. Future-ready for upcoming refrigerant regulations while delivering the same reliable cooling today.
🎯 Ideal for
| Brand | Blue Star |
| Model | IA518EXU |
| Type | Inverter Split AC |
| Capacity | 1.5 Ton |
| Energy rating | 5 Star |
| ISEER | 5.65 |
| Annual consumption | 698.63 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
5 Star. 698 kWh. PM2.5 Filter. 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
