Blue Star Bottom Loading Water Dispenser (BWD3FMRGA) vs Symphony Diet 12T 12-Litre Personal Tower Air Cooler

What separates them

These two differ on 9 recorded specifications. The Blue Star Bottom Loading Water Dispenser (BWD3FMRGA) is ₹6,700 dearer.

Blue Star

Blue Star Bottom Loading Water Dispenser (BWD3FMRGA)

₹12,990

Two specifications separate this from the cheap dispensers it sits beside.

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Symphony

Symphony Diet 12T 12-Litre Personal Tower Air Cooler

₹6,290

Evaporative cooling costs about a tenth of what an air conditioner costs to run, and the reason is that it does not remove heat -- it converts sensible heat into humidity.

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Who the Blue Star Bottom Loading Water Dispenser is for

Buy it if: Homes and small offices getting through a 20 litre bottle regularly who want both hot and genuinely cold water.

Avoid it if: Anyone who thinks this purifies water -- it does not filter anything at all.

Who the Symphony Diet 12T 12-Litre Personal Tower Air Cooler is for

Buy it if: Anyone in dry inland heat wanting cooling at roughly a tenth of an air conditioner's running cost.

Avoid it if: Anyone in Mumbai, Chennai, Kolkata or any coastal humidity -- evaporative cooling does not work in damp air.

Specifications, side by side

9 of 22 rows differ. Differences first.

Specification	Blue Star Bottom Loading Water Dispenser	Symphony Diet 12T 12-Litre Personal Tower Air Cooler
Price	₹12,990	₹6,290
Annual energy use	Roughly 400 kWh a year running continuously, about Rs3,200 at Rs8 per unit	Roughly 110 kWh a season at 8 hours a day for 90 days, about Rs880 -- against roughly Rs9,000 for a 1.5 ton air conditioner over the same period
BEE star rating	Not rated -- BEE does not cover water dispensers	Not rated -- BEE does not cover evaporative coolers
Capacity	20 litre bottle; 3 litre hot, 3 litre cold reservoir	12 litre tank, rooms up to about 10 square metres
Dimensions	33 x 33 x 97 cm	30 x 30 x 84 cm
Installation	Free standing, needs a mains socket	Free standing, needs an open window
Noise level	About 40 dB when the compressor runs	About 52 dB
Rated power	500 W heating, 100 W cooling	185 W
Refrigerant	R134a	None -- water evaporation
Weight	17 kg	7.5 kg
BEE rating year	Not applicable	Not applicable
ISEER	Not applicable	Not applicable
Warranty	1 Year Official Brand Warranty	1 Year Official Brand Warranty
Air throw	not published	About 6 metres
Child lock	On the hot tap	not published
Cooling	Compressor, not thermoelectric, so it genuinely chills rather than merely cooling	not published
Cooling method	not published	Evaporative -- water absorbs heat as it evaporates, which also adds humidity
Hot water	Reaches about 90 degrees C	not published
Loading	Bottom loading -- the bottle sits in a cabinet, no lifting a 20 kg bottle overhead	not published
Not a purifier	This dispenses and conditions bottled water; it does not filter or purify anything	not published
Ventilation	not published	Requires an open window; a sealed room becomes humid and uncomfortable
Where it does not	not published	Coastal humidity. In Mumbai or Chennai it adds moisture to already saturated air and provides little cooling
Where it works	not published	Dry heat. In Delhi or Jaipur in May it works well

Every row is a figure one or both products record. A blank is a figure the catalogue does not hold, not a zero.

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