Daikin 1.5 Ton 5 Star Inverter Split Air Conditioner (MTKM50U) vs AO Smith HAS-X1-025 Storage 25-Litre Vertical Water Heater
What separates them
These two differ on 9 recorded specifications. The Daikin 1.5 Ton 5 Star Inverter Split Air Conditioner (MTKM50U) is ₹35,000 dearer.
Daikin 1.5 Ton 5 Star Inverter Split Air Conditioner (MTKM50U) vs AO Smith HAS-X1-025 Storage 25-Litre Vertical Water Heater

Daikin
Daikin 1.5 Ton 5 Star Inverter Split Air Conditioner (MTKM50U)
₹45,990
ISEER 4.7 and 840 kWh a year are the two figures worth carrying into a showroom, because the star rating alone is a band that has been rebased twice -- a 2016 five star is roughly a 2023 three star.
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 Daikin 1.5 Ton 5 Star Inverter Split Air Conditioner is for
Buy it if: Anyone running an air conditioner more than about 1000 hours a year, where the efficiency premium pays back quickly.
Avoid it if: Anyone using it a few weeks a year -- the premium will not return within the compressor warranty.
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
9 of 21 rows differ. Differences first.
| Specification | Daikin 1.5 Ton 5 Star Inverter Split Air Conditioner | AO Smith HAS-X1-025 Storage 25-Litre Vertical Water Heater |
|---|---|---|
| Price | ₹45,990 | ₹10,990 |
| Annual energy use | 840 kWh a year at the BEE test pattern of 1600 hours, about Rs6,720 at Rs8 per unit -- against roughly Rs10,700 for a 3 star unit | Roughly 800 kWh a year for a family of four, about Rs6,400 at Rs8 per unit |
| Capacity | 1.5 ton, rooms up to about 15 square metres | 25 litres |
| Dimensions | Indoor 90 x 30 x 20 cm; outdoor 77 x 55 x 30 cm | 45 x 45 x 55 cm |
| Installation | Professional split installation, indoor and outdoor units, copper piping | Wall mounted, needs a 16 A point and a plumber |
| ISEER | 4.7 -- the Indian seasonal efficiency figure, and the only number comparable across brands | Not applicable |
| Noise level | 34 dB indoor on low, 49 dB outdoor | Not applicable |
| Rated power | 1450 W nominal, variable 300 to 1700 W | 2000 W |
| Refrigerant | R32 -- lower global warming potential than the R410A it replaces | Not applicable |
| Weight | Indoor 9.5 kg, outdoor 34 kg | 14 kg |
| BEE rating year | 2023 rating year | 2023 rating year |
| BEE star rating | 5 star | 5 star |
| Warranty | 1 Year Official Brand Warranty | 1 Year Official Brand Warranty |
| Anode rod | not published | Magnesium, and it is a consumable -- it should be inspected every 2 years |
| Copper condenser | Yes | not published |
| Heat-up time | not published | About 15 minutes for 25 litres |
| Inverter | Compressor speed varies rather than cycling on and off, which is where the saving comes from | not published |
| Pressure rating | not published | 8 bar, suitable for high-rise buildings |
| Running cost difference | About Rs4,000 a year against a 3 star unit, so the premium returns in roughly two years | not published |
| Standing loss | not published | Roughly 0.6 kWh per 24 hours -- the energy lost keeping stored water hot |
| Star band note | BEE rebased its bands in 2018 and again since; a 2016 five star is roughly a 2023 three star | not published |
| Tank | not published | Blue Diamond glass-lined steel |
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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