Symphony Diet 12T 12-Litre Personal Tower Air Cooler vs AO Smith HAS-X1-025 Storage 25-Litre Vertical Water Heater
What separates them
These two differ on 10 recorded specifications. The AO Smith HAS-X1-025 Storage 25-Litre Vertical Water Heater is ₹4,700 dearer.
Symphony Diet 12T 12-Litre Personal Tower Air Cooler vs AO Smith HAS-X1-025 Storage 25-Litre Vertical Water Heater
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.
Full details →
AO Smith
AO Smith HAS-X1-025 Storage 25-Litre Vertical Water Heater
₹10,990
Standing loss is the figure nobody publishes and the reason a geyser costs more to run than people expect: leaving it switched on wastes roughly 0.6 kWh a day doing nothing but keeping water hot, which is about Rs1,750 a year for no benefit.
Full details →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.
Who the AO Smith HAS-X1-025 Storage 25-Litre Vertical Water Heater is for
Buy it if: Families of three to four needing consistent hot water at 8 bar pressure for a high-rise.
Avoid it if: Single users needing hot water occasionally -- an instant heater wastes nothing on standing loss.
Specifications, side by side
10 of 22 rows differ. Differences first.
| Specification | Symphony Diet 12T 12-Litre Personal Tower Air Cooler | AO Smith HAS-X1-025 Storage 25-Litre Vertical Water Heater |
|---|---|---|
| Price | ₹6,290 | ₹10,990 |
| Annual energy use | 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 | Roughly 800 kWh a year for a family of four, about Rs6,400 at Rs8 per unit |
| BEE rating year | Not applicable | 2023 rating year |
| BEE star rating | Not rated -- BEE does not cover evaporative coolers | 5 star |
| Capacity | 12 litre tank, rooms up to about 10 square metres | 25 litres |
| Dimensions | 30 x 30 x 84 cm | 45 x 45 x 55 cm |
| Installation | Free standing, needs an open window | Wall mounted, needs a 16 A point and a plumber |
| Noise level | About 52 dB | Not applicable |
| Rated power | 185 W | 2000 W |
| Refrigerant | None -- water evaporation | Not applicable |
| Weight | 7.5 kg | 14 kg |
| ISEER | Not applicable | Not applicable |
| Warranty | 1 Year Official Brand Warranty | 1 Year Official Brand Warranty |
| Air throw | About 6 metres | not published |
| Anode rod | not published | Magnesium, and it is a consumable -- it should be inspected every 2 years |
| Cooling method | Evaporative -- water absorbs heat as it evaporates, which also adds humidity | not published |
| Heat-up time | not published | About 15 minutes for 25 litres |
| Pressure rating | not published | 8 bar, suitable for high-rise buildings |
| Standing loss | not published | Roughly 0.6 kWh per 24 hours -- the energy lost keeping stored water hot |
| Tank | not published | Blue Diamond glass-lined steel |
| Ventilation | Requires an open window; a sealed room becomes humid and uncomfortable | not published |
| Where it does not | Coastal humidity. In Mumbai or Chennai it adds moisture to already saturated air and provides little cooling | not published |
| Where it works | Dry heat. In Delhi or Jaipur in May it works well | not published |
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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