Hitachi 1.0 Ton 3 Star MERAI 3100S Champion Inverter – R410A Split AC (Copper RSFG312HDEA Gold)

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Build Aspect

Hitachi Air conditioners have are highly sought after in India as a result of their high performance, durability and competitive prices. Perhaps the RSFG312HDEA is another such AC from Hitachi that is deserving of all the love, or is it? Lets find out. This AC screams quality however you look at it, the indoor, outdoor, backlit remote all are solidly built and feel premium. The looks are a different matter and this AC looks a bit raw, lacking in curves. However the designing is classy on the whole.

Performance Aspect

This 1 Ton Split AC has a got cooling capacity of 13200 BTU. When this cooling capacity works in harmony with its fast and capable blower, the net effect is strong, blissful and would be felt through the room. This is a  3 star rated AC with an ordinary ISEER of 3.70, which is well… ordinary! However noise levels are a bit of an issue with the AC making 37 db of noise even when used with its slowest fan speed. Moreover no PM 2.5 filter is supplied with the AC. On the whole given its price point, performance and set of issues we would still gladly call this a good quality 1 Ton split AC in India.

Also: Also view a 4 star 1 Ton Split on Amazon in similar budget.


13200 BTU cooling is good.
Premium and durable build.
Fantastic air flow.


Only 2 way auto swing.
No PM 2.5 filter.
No display on IDU.

Product Details

  • Split Ac with inverter compressor: Variable speed compressor which adjusts power depending on heat load. It is most energy efficient and has lowest – noise operation.
  • Capacity 0 Ton: Suitable for small sized rooms (< = 110 sq ft)
  • Energy Rating: 3 Star, Annual Energy Consumption (as per energy label): 736.19 Kwh, ISEER Value: 3.70
  • Manufacturer Warranty: 10 years on compressor, 5 years on controller/PCB
  • Copper Condenser Coil: Better cooling and requires low maintenance
  • Special Features: Filter Clean Indicator, SuperFine Mesh Filter, Stepless Compressor Control, Penta Sensor, 100% Cooling Capacity at 43 degree C, 100% Inner grooved Copper Tube, SuperSlit Fins, Stabilizer Free Operation, Tropical Design, Eco Friendly (Green) Refrigerant
  • IDU dimension ( 79.8*29.5*23.9 cms) ODU dimension (75*54.8*28.8 cms) and IDU weight (8.5 kgs) ODU weight (27.2 kgs)
  • Included in the box: Indoor Unit, Outdoor Unit, Remote Control, User manual, Warranty Card



Ton class – 1 Ton

Compressor – Rotary / R410a

Rated Power supply – 230/50/1

Rated cooling capacity (100% load) – 12000 BTU/hr, 3516 Watts

Maximum cooling capacity – 13200 BTU/hr, 3870 Watts

Rated power input (100% load) – 1180 watts

Rated ISEER – 3.70

Cooling Energy Seasonal consumption -736.19 kWh

Current Draw – 5.4 Amps Rated

Fan speed steps – 3

Airflow cooling IDU – 425 CFM

Sound level IDU (slow fan speed) – 37 db

Dimensions IDU – W H D (mm) 798 x 295 x 239

Dimensions ODU – W H D (mm) 750 x 548 x 288

Net weight IDU – 8.5 Kg

Net weight OUD – 27.20 Kg

Suction line dia. – 9.53mm, 3/8″ inch

Liquid line dia. – 6.35mm, 1/4″ inch

Max pipe length – 25 meters

Backlit Remote – Yes


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