new window installation

How to Choose the Right Window Installation Company: 7 Key Things to Look For

July 2, 2025

Opting for new window installation for your home or office is a vital decision that balances functionality, aesthetics, and long-term value in your interior spaces. Whether you’re considering upgrading your windows for better insulation or exploring modern aluminium designs, selecting the right installation company is vital.

This guide will help you make an informed and confident decision by outlining seven essential factors to consider when choosing a window installation company. Even the best-quality windows won’t perform at their best if they’re not installed properly. Therefore, this decision needs to be made thoughtfully.

7 Things to Look for in a Window Installation Company

Here are the top seven things you must consider before selecting the company for window installations at your home:

  1. Brand Reliability
    Start by exploring the reputation of the aluminium section window design brand behind the company you’re considering. Trustworthy brands uphold high standards in manufacturing and quality control, which can significantly influence the installation. Here are a few things to consider:

    • Years of industry experience
    • Necessary certifications and licenses
    • Long-standing repute in the market for quality service

    A reliable brand typically has a robust service system, ensuring a higher quality experience for you.

  2. Customised Consultation and Expert Advice
    Every home is unique, and factors such as your local climate, architectural style, and personal preferences all play a role in selecting the right windows.

    A good installation company should provide tailored consultations, including guidance on whether to opt for double-pane windows, sliding windows, or casement windows. They should also conduct in-person evaluations of your space, offer recommendations on materials and designs, and provide choices in glass types, such as single, double, or triple glazing.

  3. After-Sales Support and Service
    Your association with the company shouldn’t stop after your windows are installed. Reliable installers should provide clear methods for addressing any concerns you may have, such as misalignments or minor damage.

    Look for prompt support visits, easily accessible customer service and a straightforward complaint resolution process. This is especially crucial for specialised locks or functions, such as intricate sliding and tilt-turn mechanisms or aluminium window lock mechanisms that may require fine-tuning.

  4. Warranty on Products and Installation
    Always ask about warranties. You want protection not only for the window products but also for the installation services. Having a solid warranty is a good sign that the company is confident in the quality and reliability of its work.
  5. Customer Reviews and Recommendations
    Before you make your final choice, take some time to see what previous customers are saying. Check online reviews, social media comments and testimonials on their website. You can also consult with friends, neighbours, or family members who’ve recently had new window installation.
  6. Quality of Materials and Service Execution
    An experienced company will focus on using quality materials, whether it’s aluminium, locks, or glass types. Don’t hesitate to ask them about the aluminium grades they use, the security of locks or whether the glass is impact-resistant or energy efficient.
  7. Transparency in Pricing and Timelines in the shared quotation
    Reputable window companies should provide a detailed estimate upfront. This should include a breakdown of material and labour costs, timelines for delivery and installation, and if there is any potential extra charges.

The Eternia Advantage

If you’re looking for premium aluminium window solutions that combine performance with style, explore Eternia by Hindalco. Crafted using Duranium—a specially engineered aluminium alloy, Eternia windows are stronger, lighter, and built for long-lasting durability. Key benefits include:

Benefit Description
Reliability and Reputation Eternia by Hindalco is backed by the illustrious legacy of the Aditya Birla Group. Their windows are known to meet the highest global standards.
Top-notch Quality From the material quality to service, Eternia offers a seamless experience to provide you with windows that have excellent resistance to wind, noise, and rain.
Custom Designs Eternia provides various glass options, designs and opening styles to choose from as per your unique requirements.
Sustainability Duranium is an eternally recyclable alloy, making it sustainable and environmentally responsible.

Conclusion

New window installation necessitates choosing a window installation company that understands your vision and appreciates your investment. They should ensure that the final product not only enhances your home’s beauty but also improves its functionality and comfort.

With the right installation company, your aluminium window designs will be everything you hoped for, and more, for years to come. So take time to ask the right questions, weigh your options, and prioritise quality and trustworthiness above all else.

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Frequently Asked Questions

Typically, it takes about 1–2 days, depending on the number of windows and the type of installation, for insatance sliding double pane windows or casement windows.

Aluminium is renowned for its durability, weather-resistance, low maintenance, and suitability for modern designs.

Regular servicing is recommended every 1–2 years, or sooner if you notice issues like stiffness or alignment problems.