Why Are Some Aluminium Windows More Expensive Than Others?

Certain aluminium windows tend to be more costly due to the materials used in their construction. The value of these windows relies on various factors, including the type of aluminium profile used, the type of glass used, the hardware utilized, the finish, and even how well the product is installed. Although two windows may look alike, they may perform differently during the harsh summer months in Dubai.

If one looks at the price of sliding aluminium windows in Dubai, you may notice that there are some significant price differences for the same opening. This does not mean that the price of one company is too high. The quotations contain different materials and features.

It has similarities with tyres: cheap yet quality tyres may look the same; however, their performance will tell the truth later.

Key takeaways

• The difference in prices arises from what the window is made of, rather than how it appears on the showroom wall.
• The cost and durability of the window depend on factors like the strength of the frame, type of glass used, thermal performance, and fittings.
• Saving on a window with a low number of specifications isn’t a good idea in the hot, humid, and dusty environment of Dubai.
• You need to compare prices in detail, since a single figure won’t really tell you much.

Does aluminium grade and profile thickness affect the price?

Yes, and it is one of the least transparent elements.

Aluminium profiles are not created equal – the alloy, reinforcement, and overall shape determine how much the profile flexes and holds its shape. Thick, well-made profiles have a larger metal content, which makes them more expensive but also less prone to twisting from the weight of the glass panel. Additionally, a light profile might be completely sufficient for small windows but will exhibit unacceptable flexing when trying to use it for a large sliding panel.

Therefore, asking about the profile system and its thickness is always a good idea when requesting a quotation. A proper aluminium windows supplier will have no issues providing the information right away, and one should be wary of those who hesitate.

How much does glass type change the cost?

More often than not, glass is the largest factor in terms of costs for windows, and it has a considerable variance in prices. Here is a rough breakdown of options:

• Single glazing – the most basic option with poor insulation properties
• Double glazing – consists of two sheets with a layer of gas in between, offers good insulation
• Tinted glass – helps to reduce solar gain, often used in the UAE
• Low-E glass – has a special coating that reduces the amount of heat transferred
• Laminated or tempered glass- chosen where safety, security, or sound reduction matters.

For example, glass on west-facing windows in a villa can make a huge difference to the air conditioning costs in summer. Furthermore, a shaded balcony or an internal room might have little issues with solar gain. There is no universal recommendation, as it all depends on the specifics of each window.

Why do frame design and thermal performance matter in Dubai?

Aluminium is a metal with excellent heat conductivity, and the local climate poses additional challenges. At the height of summer, the temperature difference between the outside and inside of a building can be more than 30C. For reference, the standard thermal break has a maximum allowable temperature differential of 30C.

The best aluminium windows in Dubai utilize a special polymer insert that drastically reduces the ability of heat to transfer through the frame. The insert is usually placed between the inner and outer part of the profile, breaking the thermal bridge. Naturally, such windows are more expensive due to the complexity of fabrication, but they are the best choice for hot climates.

Additionally, it is essential to understand that glass is only one part of the equation, and a proper energy audit should take into account the frame, spacers, seals, and gas in the glass to calculate the overall performance. A proper quotation will include specific information on the glass, and not just its thickness and color. If one wants to get an idea of how energy-efficient the windows are, it is possible to ask the aluminium supplier about thermally broken vs standard profiles and request a sample of a frame section.

Do hardware and sliding mechanisms make a difference?

You feel the answer every time you open the window.

In a sliding window, the rollers, tracks, locks, handles, and brush seals do the daily work. Good rollers glide and share the panel weight evenly. Cheap ones wear out or jam, especially once fine desert dust gets into the track.

When comparing quotations, it is important to look at hardware specifications. The following criteria are essential for determining how smooth the windows will be in operation:

• Roller quality and how many rollers each panel has
• Whether the track drains water properly
• The locking system and handle material
• Brush or rubber seals against dust and draughts
• Whether insect screens are included

The same goes for the number of tracks – two- and three-track systems are basically different products with varying costs associated with them. The extra track allows for bigger glass panels or screens.

Hardware is the detail that makes windows operable, and it is the cheapest detail that gets sacrificed when companies try to reduce costs.

How do size, finish, and customisation affect price?

• Size changes more than the glass area. Larger windows have stronger frames, thicker or tougher glass, and are often subject to different on-site practices. The price does not go up proportionally and may require a completely different system depending on the size of the opening.
• Finishing in Dubai is extremely important. It is common to powder coat aluminum; however, sun, humidity, and air from the sea show mistakes in the coating as discoloration or peeling. Better pre-treatment and coating cost more but last longer. Anodized finishes and a variety of colors also add to the cost.
• Then there is customization. While standard sizes and colors are usually cheaper, bespoke sizes mean serving less volume, meaning more machining time. For a villa or flat with non-standard openings, customization may not be a luxury but a necessity. 

This is the reason why any good aluminium doors and windows services in Dubai, like Space Makeover, will first take site measurements. Proper measurements ensure that there are no gaps and no problems associated with the fitting process.

Why is installation quality part of the price?

An excellent window that has broken down can very well be a sign of poor installation.

Good installation professionals make sure that the measurements are accurate and the frame is leveled, anchored, sealed, and tested that every panel opens and closes smoothly. Water leaks, air gaps, and annoying sliding can be problems arising from installation, rather than the product itself.

Different quality levels are found among aluminum works in Dubai. Experienced manufacturers and installers will charge higher prices as they will probably invest their time in manufacturing and testing the product. An extremely low price may indicate that time was not spent on such steps.

Additionally, make sure to inquire about the availability of after-sales service. If you are in need of the repair of a roller or adjustment of a seal a year from now, know who to call.

How can you compare aluminium window quotations properly?

The reality is that the lowest quotation is not necessarily the best option, and the highest quotation is not always the best choice either. Here is a list of recommendations on comparing aluminium window quotations:

• Obtain complete quotations with all options spelled out. It should include specifications on profiles, glass, finish, hardware, and screens
• Clarify what is included and not included in the quotation. Some suppliers might omit disassembly of old windows or finishing works
• Compare like for like. Get quotations based on the same size, glass, and finish
• Ask about thermal break and specify that it should be included in the quotation
• Ask about warranty and service, and what exactly is covered
• Ask for references, examples of past jobs, and organize a visit to a showroom, if possible
• Confirm timelines, as they are often as important as cost. Schedule a meeting to inspect the windows at the fabrication facility after installation

If one quotation is far lower than the rest, ask why. Sometimes there is a good answer. Sometimes the answer is a thinner profile or simpler glass.

Quick comparison: budget vs better-specified windows

Factor	Basic specification	Better specification
Frame profile	Lighter sections	Thicker, engineered sections
Thermal control	Standard frame	Thermal break frame
Glass	Single or basic glazing	Double-glazed, coated, or laminated
Hardware	Basic rollers and locks	Better rollers, tracks, and locks
Finish	Standard coating	Higher-quality pre-treatment and coating
Installation	Minimal	Careful fitting and testing
Long-term value	May need earlier repair or replacement	Better chance of lasting performance

This is a general guide. The right choice still depends on the room, its exposure, and your budget.

Conclusion

There is a lot of variation in the price of aluminium windows, and this is because they are different in reality in terms of profile, glass type, thermal performance, hardware, finish, and installation. It’s all of these, and you see this in everyday comfort and in repair costs in Dubai.

Prior to hiring an aluminium sliding windows in Dubai supplier, request a comprehensive written quote and then contrast it line by line. When you are considering new windows or doors for your home, Space Makeover can guide you through the options available in your home and tell you what they each mean in reality.

Frequently asked questions