Description
❄️ India's first inverter window AC from Blue Star. 1.5 Ton. Copper. Anti-bacterial filter. WIA318GXU.
The Blue Star WIA318GXU is a window AC that combines inverter efficiency with the ease of window installation — no outdoor unit, no pipe drilling, no wall modification. Inverter Rotary Scroll compressor with Convertible Mode and Turbo Cool, 100% copper condenser and evaporator coils, Hydrophilic Blue Fins, Anti-Bacterial Dust Filter for healthier indoor air, Self Diagnosis with error codes, Auto Restart with memory, Comfort Sleep Mode, stabilizer-free operation at 140V–280V, and R32 eco-friendly refrigerant. For medium rooms up to 150 sq. ft.
🪟 Window AC advantages that split AC can't match
WIA318GXU Window AC — choose this for
- No outdoor unit — single compact installation
- No wall drilling for refrigerant pipes
- Lower installation cost and complexity
- Rented properties — no structural modification
- Older buildings without outdoor unit space
- Same inverter efficiency as split models
Split AC — choose this instead for
- Lower noise (compressor placed outdoors)
- More flexibility in indoor unit placement
- Wider capacity range available
- When window space is limited or unavailable
⚙️ Inverter in a window AC — why this matters over fixed-speed window units
- Most window ACs in the market are fixed-speed — they run the compressor at full power until set temperature is reached, then switch off completely, creating temperature swings and high energy peaks at each restart
- The WIA318GXU's inverter rotary scroll compressor varies speed continuously — maintaining temperature with micro-adjustments rather than on/off cycling. Smoother temperature curve, lower noise during steady operation, and significantly lower running costs vs fixed-speed window ACs
- ISEER 3.33 at 1.5-ton window AC capacity is competitive — most fixed-speed 3-star window ACs run at ISEER ~2.7–3.0. The inverter advantage is approximately 10–20% lower electricity consumption for equivalent cooling
- Convertible Mode adjusts effective cooling capacity based on occupancy — further reducing power draw when the room is partially used or temperatures are mild
- The Rotary Scroll compressor design is more compact than traditional window AC compressors, enabling the inverter technology to fit in the window form factor without increasing unit size
100% Copper — condenser coil, evaporator coil, AND connecting tubes
Blue Star's specification covers all three copper components, not just the condenser. The evaporator coil (indoor) and the connecting tubes are also copper — most budget and mid-range ACs use aluminium for evaporator coils and copper only for the condenser. Full copper construction provides consistent heat exchange efficiency throughout the refrigerant circuit, superior corrosion resistance on the indoor coil (which is exposed to room-air humidity), and full repairability on-site. Hydrophilic Blue Fins on the coils prevent water and dust deposits, maintaining airflow and heat transfer efficiency over the AC's service life.
Anti-Bacterial Dust Filter — important for window ACs specifically
Window ACs draw outdoor air directly through the front-mounted filter — unlike split ACs which recirculate room air through the indoor unit. This means the WIA318GXU's filter is exposed to Delhi NCR's outdoor particulate, road dust, pollen, and monsoon mould spores with every cycle. The Anti-Bacterial filter captures and inhibits bacterial growth on the filter media itself — preventing the filter from becoming a source of biological contamination rather than protection. Particularly relevant for bedrooms and rooms where the AC runs overnight with windows sealed.
140V–280V stabilizer-free — the widest voltage range in the window AC category
At 140–280V, the WIA318GXU covers a significantly wider voltage range than most ACs (typically 170–250V or 155–265V). Delhi NCR older residential areas and commercial buildings frequently experience voltage drops below 170V during summer peak demand — at which point most ACs shut down or require stabilizer protection. The 140V lower limit means the Blue Star continues operating in conditions where competitors would cut out. No stabilizer purchase required, no voltage-related shutdowns during peak summer.
Turbo Cool
Maximum compressor and fan speed for rapid initial cooling — drops a hot, closed room to comfortable temperature significantly faster than Auto mode. Critical for rooms that have been sealed during Delhi's peak summer afternoon.
Auto Restart with Memory
After a power cut, the AC automatically restarts with the exact same temperature, fan speed, and mode settings that were active before the interruption — no manual reconfiguration. For Delhi NCR's summer power interruptions, this is a meaningful daily quality-of-life feature.
Comfort Sleep Mode
Intelligently adjusts operation for sleep comfort — reduces temperature fluctuations during the night cycle and follows the natural drop in ambient overnight temperature, preventing the over-cooling that causes morning discomfort.
Self Diagnosis
Displays error codes on the indoor unit and remote for instant fault identification — faster service resolution and less downtime. For a compact window unit where repair access is straightforward, self-diagnosis enables even faster fixes.
Compact Window Installation
66×43cm minimum window opening required — fits standard Indian bedroom and office windows without modification. No outdoor unit, no pipe drilling, no structural work. Significantly lower installation cost than split AC — and removable when relocating.
Energy Saver Mode
Optimises compressor operation for lower power consumption during mild-temperature periods — uses less electricity when the room is already close to the set temperature and full capacity isn't needed.
🎯 Ideal for
| Brand | Blue Star |
| Model | WIA318GXU |
| Type | Inverter Window AC |
| Capacity | 1.5 Ton (~5050 W) |
| Energy rating | 3 Star |
| ISEER | 3.33 |
| Annual consumption | 1173.28 kWh/year |
| Coverage area | Up to 150 sq. ft. |
| Compressor | Inverter Rotary Scroll |
| Refrigerant | R32 (Eco-Friendly) |
| Condenser + Evaporator + Tubes | 100% Copper |
| Fin protection | Hydrophilic Blue Fins |
| Air filter | Anti-Bacterial Dust Filter |
| Stabilizer-free range | 140V – 280V |
| Turbo Cool | Yes |
| Sleep Mode | Comfort Sleep |
| Energy Saver | Yes |
| Convertible Mode | Yes |
| Auto Restart | Yes — with memory |
| Self Diagnosis | Yes — error code display |
| Remote Control | Yes |
| Outdoor unit | Not required — window installation |
| Noise level | 53 dB |
| Dimensions (W×D×H) | 66 × 66 × 43 cm |
| Minimum window size | 66W × 43H cm |
| Weight | 43 kg |
| Colour | White |
| Country of origin | Made in India |
| Voltage | 230V |
🛡️ Warranty coverage
Inverter efficiency. Window simplicity. 100% Copper. Order today.
Order before 2 PM for 24-hour delivery across Delhi NCR. No outdoor unit needed — easiest AC installation available.
Product image shown is for reference only. Actual serial number and manufacturing date may vary. Made in India.
Inverter Compressor Technology
Designed to deliver fast cooling and maximum energy saving during extreme summers.
Stabiliser Free Operation
Widest voltage range with no requirement for stabiliser (140V-280V).
Turbo Cool
Ensures quick cooling in a few minutes during extreme summer conditions.
Energy Saver
The energy saver mode helps save on your electricity bills, while giving a wonderful cooling experience.
Anti Corrosive Blue Fins for Protection
Resists water and dust deposits on fins, thus delivering unhindered cooling performance and enhanced durability.
Auto Re-start with Memory
The AC remembers the last set mode and automatically resumes functioning with the same pre-set mode, ensuring convenience after power cuts.
100% Copper
Blue Star air conditioners' condenser coil, evaporator coil, and connecting tubes are made of 100% copper, thereby ensuring reliable cooling performance and enhanced durability.
Self Diagnosis
Alerts the user to any fault in the AC's operation, with an error code, which helps in faster resolution.
Comfort Sleep
Intelligently adjusts the AC's operation providing the right cooling comfort and ensures comfortable sleep.
Order Now at Mahajan Electronics
Please Note: The image shown is for reference purposes only. Actual product details, including the serial number and manufacturing date, may vary.
