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EI 18P3T WZT Specifications, Features & Compatibility Guide
The EI 18P3T WZT delivers robust cooling for 150-180 sq. ft. rooms using a 100% copper condenser tailored for India's harsh summers. Its 3.9 ISEER rating ensures significant electricity savings for daily operation.
Quick Answer
The EI 18P3T WZT is ideal for medium-sized Indian bedrooms requiring reliable thermal control. Featuring a powerful 4800W capacity and R32 refrigerant, this unit maintains performance during peak temperatures. Invest in this model for a balanced mix of durability and long-term energy efficiency.
Choose the EI 18P3T WZT if you prioritize consistent cooling performance over expensive smart features in mid-sized spaces. This unit effectively addresses the challenge of high-heat environments through its proven copper-based design.
✓ Who Should Buy
- •1.5 Ton 3 Star performance suitable for 150-180 spaces.
- •Verified efficiency of 3.9 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 150-180 rated capacity.
- •Installations prioritizing minimum capital expenditure over 3.9 performance.
- •Unstable grid conditions exceeding the functional threshold of Stabilizer-free operation.
- •Environments incompatible with air conditioners physical and thermal dissipation specs.
Product Overview
The EI 18P3T WZT brings 1.5 Ton 3 Star Fixed-Speed cooling performance to rooms up to 150-180 sq. ft., combining 4800W rated capacity with ISEER 3.9 energy efficiency (BEE 2025). Hardware reliability is built on a Variable Speed compressor, 100% copper condenser, and R32 refrigerant — a configuration engineered for consistent heat exchange in India's demanding climate. At 951.91 kWh annual consumption, it delivers meaningful savings over 3-star fixed-speed alternatives across a 5-year operational horizon. Stabilizer-free design (190–240V) removes auxiliary hardware dependency for flexible tier-2 installation. Indoor acoustic performance stands at 36 dB(A) — suitable for bedrooms, study rooms, and light office environments. Operation is guaranteed through 52°C ambient maximum, and the 5-in-1 Convertible mode enables demand-matched tonnage control for seasonal efficiency.
| Type | Split |
| Panel Display | Hidden LED |
| Brand | Godrej |
| Model | EI 18P3T WZT |
| Color | White |
| Launch Year | 2025 |
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Engineering Analysis
Energy performance of the EI 18P3T WZT is anchored by its BEE 2025 3 Star certification and an ISEER of 3.9. Under standardised BEE test cycles, annual consumption is 951.91 kWh per year — competitive long-term operational cost over a 5-year ownership horizon. The Variable Speed compressor 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 1630W at 230V nominal supply, with an inverter drive board maintaining power factor above 0.95 across all load states.
The EI 18P3T WZT 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 (Dust, Anti-bacterial) captures PM2.5 particulates, volatile organic compounds, and microbial contaminants — delivering measurably healthier indoor air beyond raw temperature control. Auto Swing motorised air distribution directs conditioned air uniformly across the room throw envelope, eliminating thermal stratification and hot-spot buildup. The 10 Years 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 EI 18P3T WZT 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. 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 52°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 EI 18P3T WZT is anchored by its BEE 2025 3 Star certification and an ISEER of 3.9. Under standardised BEE test cycles, annual consumption is 951.91 kWh per year — competitive long-term operational cost over a 5-year ownership horizon. The Variable Speed compressor 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 1630W at 230V nominal supply, with an inverter drive board maintaining power factor above 0.95 across all load states.
The EI 18P3T WZT 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 (Dust, Anti-bacterial) captures PM2.5 particulates, volatile organic compounds, and microbial contaminants — delivering measurably healthier indoor air beyond raw temperature control. Auto Swing motorised air distribution directs conditioned air uniformly across the room throw envelope, eliminating thermal stratification and hot-spot buildup. The 10 Years 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 EI 18P3T WZT 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. 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 52°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.