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IR123PRS Specifications, Features & Compatibility Guide
The IR123PRS 1 Ton 3 Star Inverter AC delivers consistent cooling for Indian summers via its robust copper condenser. This efficient machine ensures lower electricity bills in rooms up to 130 sq. ft.
Quick Answer
Yes, the IR123PRS is a solid investment if you need efficient cooling for 90-130 sq.ft. Its 1 Ton 3 Star (BEE 2023) inverter performance with an ISEER of 3.96 promises substantial savings on electricity bills. Coupled with a 100% copper condenser, it’s built to deliver reliable, consistent comfort even in India's harsh summers.
Opt for the IR123PRS if your space is 90-130 sq.ft and you prioritize verified energy efficiency (ISEER 3.96) for reduced long-term costs. Avoid if your room exceeds this capacity or if upfront capital expenditure outweighs the benefits of its 3 Star performance.
✓ Who Should Buy
- •1 Ton 3 Star performance suitable for 90-130 sq.ft spaces.
- •Verified efficiency of 3.96 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 Standard power cycle voltage management.
✕ Who Should Avoid
- •Spaces or usage requirements exceeding 90-130 sq.ft rated capacity.
- •Installations prioritizing minimum capital expenditure over 3.96 performance.
- •Unstable grid conditions exceeding the functional threshold of Standard power cycle.
- •Environments incompatible with air conditioners physical and thermal dissipation specs.
Product Overview
The IR123PRS brings 1 Ton 3 Star Inverter cooling performance to rooms up to 90-130 sq. ft., combining 3520W rated capacity with ISEER 3.96 energy efficiency (BEE 2023). Hardware reliability is built on a BLDC Rotary, 100% copper condenser, and R32 refrigerant — a configuration engineered for consistent heat exchange in India's demanding climate. At 696.69 kWh annual consumption, it delivers meaningful savings over 3-star fixed-speed alternatives across a 5-year operational horizon. Indoor acoustic performance stands at 43 dB(A) — suitable for bedrooms, study rooms, and light office environments. Operation is guaranteed through 55°C ambient maximum, and the FLEXI 5 Convertible mode enables demand-matched tonnage control for seasonal efficiency.
| Type | Split |
| Panel Display | Hidden LED |
| Brand | Onida |
| Model | IR123PRS |
| Color | Ghost White |
| Launch Year | 2023 |
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Engineering Analysis
Energy performance of the IR123PRS is anchored by its BEE 2023 3 Star certification and an ISEER of 3.96. Under standardised BEE test cycles, annual consumption is 696.69 kWh per year — competitive long-term operational cost over a 5-year ownership horizon. The BLDC Rotary employs Variable Frequency Drive (VFD) control, modulating compressor RPM continuously between 15 Hz and 120 Hz to match real-time thermal load — eliminating the energy-intensive stop-start cycles of fixed-speed motors.
The IR123PRS 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) captures PM2.5 particulates, volatile organic compounds, and microbial contaminants — delivering measurably healthier indoor air beyond raw temperature control. 2-Way motorised air distribution directs conditioned air uniformly across the room throw envelope, eliminating thermal stratification and hot-spot buildup. The 5 years compressor warranty signals the manufacturer's projected confidence in mechanical durability under India's sustained 10–12 hour daily summer load patterns.
Standard power management rated at 230V ensures safe operation. Auto-restart with non-volatile memory ensures the IR123PRS 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 55°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 IR123PRS is anchored by its BEE 2023 3 Star certification and an ISEER of 3.96. Under standardised BEE test cycles, annual consumption is 696.69 kWh per year — competitive long-term operational cost over a 5-year ownership horizon. The BLDC Rotary employs Variable Frequency Drive (VFD) control, modulating compressor RPM continuously between 15 Hz and 120 Hz to match real-time thermal load — eliminating the energy-intensive stop-start cycles of fixed-speed motors.
The IR123PRS 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) captures PM2.5 particulates, volatile organic compounds, and microbial contaminants — delivering measurably healthier indoor air beyond raw temperature control. 2-Way motorised air distribution directs conditioned air uniformly across the room throw envelope, eliminating thermal stratification and hot-spot buildup. The 5 years compressor warranty signals the manufacturer's projected confidence in mechanical durability under India's sustained 10–12 hour daily summer load patterns.
Standard power management rated at 230V ensures safe operation. Auto-restart with non-volatile memory ensures the IR123PRS 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 55°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.