| SL NO | DESCRIPTION | UPVC WINDOWS | ALUMINIUM |
| 1 | Life | 20-30 years | more than 45 years |
| 2 | CORROSION | Resistant to corrosion | Power coated aluminium is highly resistant to corrosion |
| 3 | Thermal efficiency | High, poor conductor of heat | Low, but double glazed with air gap will reduce the thermal transmission. Aluminium is a high conductor of heat. |
| 4 | New technology | Energy efficiency A++ | Energy efficiency A++ |
| 5 | Security of uPVC and aluminium windows | Same | Same |
| 6 | Sound proofing | Same | Same |
| 7 | Aesthetic appearance | Bigger frames than aluminium | Slimmer frames |
| 8 | Cost | Cheaper | Expensive |
| 9 | Colour | Wide range of colours with powder coating, different colours can be provided internal and external | |
| 10 | Toughness | Strong | Stronger |
| 11 | Fire | Does not promote fire | High melting temperature |
| 12 | Operation | No noise | Make noise while in operation |
| 13 | Weight | Light weight | Light weight |
| 14 | Expansion | No expansion or contraction | High thermal expansion. Never notice any distortion due to rubber beadings |
| 15 | Termite resistance | Resistant to termite | Resistant to termite |
| 16 | UV Resistance | Starts colour change after 10 to 15 years | Resistant to Ultra violet rays |
| 17 | Accessories fixing | Damages are not repairable | Repairable |
| 18 | Eco friendliness | Eco friendly | Eco friendly |
| 19 | Scrap value | Low | High |
| 20 | Effect of moisture | No effect | No visible effect. Water with higher PH may attack. |
| 21 | Recycling | Possible | Any number of times |
