5 Questions to Ask Your Window Replacement Contractor

Choosing the right window replacement contractor is a crucial decision that can have a significant impact on the comfort, energy efficiency, and aesthetics of your home. To ensure a successful window replacement project, it’s important to ask the right questions and gather the necessary information. In this blog post, we’ll provide you with a comprehensive list of questions to ask your window replacement contractor, covering important areas such as warranty, installation process, energy efficiency, material options, and cost. Armed with this knowledge, you’ll be better equipped to make an informed decision and find the perfect contractor for your window replacement needs.

What’s Inside

1. Warranty Information

Considering warranty details is crucial when selecting a window replacement contractor. It not only provides peace of mind but also safeguards your investment. Failing to ask these questions may lead to potential drawbacks such as:

  • Limited warranty coverage or duration
  • Exclusion of certain damages or components
  • Strict conditions or limitations
  • Complex or tedious warranty claim process

Responses indicating that the chosen window replacement company might not be a great choice could include:

  • Vague or evasive answers regarding warranty duration or coverage
  • Lack of transparency regarding specific conditions or limitations
  • Unresponsive or unhelpful guidance on filing a warranty claim

Remember to inquire about these aspects to ensure a reliable and satisfactory window replacement experience.

Sliding glass door replacement

2. Installation Process

Proper installation is vital for optimal performance and longevity of your new windows. It’s important to ask the following questions to ensure a smooth process. Failure to do so may lead to potential drawbacks such as:

  1. Timeline Uncertainty: Without clarifying the installation timeline, you may face delays and inconvenience.
  2. Improper Disposal: If the existing windows are not properly removed and disposed of, it can create a mess and potentially cause damage.
  3. Lack of Cleanliness and Efficiency: Failing to inquire about measures for clean and efficient installation might result in a messy and inefficient process, disrupting your daily routine.
  4. Installer Qualifications: If the installers are not certified or trained by the window manufacturer, it raises concerns about their expertise and the quality of the installation.

Be cautious if you receive responses indicating the window replacement company might not be a great choice. For example:

  • Vague or evasive answers regarding the installation timeline or specific procedures.
  • Lack of clarity on the disposal process for the existing windows.
  • Inadequate knowledge or dismissive attitude towards cleanliness and efficiency during installation.
  • Absence of certification or proper training for the installers from the window manufacturer.

Asking these questions and evaluating the responses will help you make an informed decision and choose a reliable window replacement company.


3. Energy Efficiency

Energy-efficient windows offer numerous benefits such as lower energy bills and improved home comfort. It’s crucial to ask the following questions to ensure you make an informed decision:

  • What is the energy rating of the windows?
  • Will the new windows meet local energy codes and standards?
  • What features or technologies make the windows energy efficient?
  • Can you provide examples or case studies of energy savings with your windows?

Not asking these questions could lead to potential drawbacks, such as:

  • Higher energy bills due to lower energy efficiency.
  • Non-compliance with local energy codes and standards.
  • Lack of energy-efficient features or technologies.
  • Limited or no evidence of energy savings with their windows.

When evaluating a window replacement company, watch out for red flags such as:

  • Inability or reluctance to provide energy ratings.
  • Failure to meet local energy codes and standards.
  • Lack of transparency regarding energy-efficient features.
  • Absence of examples or case studies showcasing energy savings.

Ensuring you ask these questions and being aware of these warning signs will help you make an informed decision and select the right window replacement company for your needs.

Here is a graphic which demostrates how energy efficient glass works! Read our blog here for more information.

4. Material Options

Choosing the right window materials is essential for durability, aesthetics, and maintenance. Here are some questions to ask about the available material options:

  • What materials do you offer for window frames?
  • What are the benefits and drawbacks of each material?
  • Are the materials resistant to rot, warping, and corrosion?
  • Can you provide samples or images of the different materials?

Not asking these questions could result in potential drawbacks such as:

  • Limited options for window frames that may not suit your preferences or needs.
  • Materials that are not durable and may require frequent repairs or replacements.
  • Increased susceptibility to rot, warping, or corrosion, leading to decreased lifespan and performance of the windows.

Additionally, if the window replacement company cannot provide satisfactory responses or refuses to provide samples or images of the materials, it could indicate that they may not be a reliable or suitable choice for your window replacement needs. Read our blog here about different materials!

5. Cost and Financing Options

Understanding the cost and financing options is crucial for budgeting and planning. Here are some questions to ask about the total cost and financing options:

  • What is the total cost of the window replacement project, including materials and labor?
  • Are there any additional costs that may arise during the installation process?
  • Do you offer any payment plans or financing options?
  • Can you provide a detailed breakdown of the costs?

Not asking these questions could lead to potential drawbacks such as unexpected expenses, hidden costs, or limited payment options. If the window replacement company cannot provide a clear breakdown of the costs or does not offer flexible financing options, it may indicate that they are not the best choice for your project. It’s important to thoroughly evaluate these factors before making a decision.

Bonus Tips

In addition to the above points, here are a few extra tips that can help ensure a successful window replacement project:

AAMA Certified Installers

Ensure your installer is certified by the American Architectural Manufacturers Association (AAMA). AAMA certified professionals have undergone rigorous training and adhere to the highest industry standards, ensuring that your windows are installed correctly and efficiently. This can significantly enhance the lifespan and performance of your windows. Check out the AAMA website here.

Contractor Pricing Discount

If you’re working with a contractor, make sure to ask for a contractor pricing discount. Many window replacement companies offer special pricing to contractors, which can lead to substantial cost savings.

White Windows

White windows are usually less expensive than colored or custom finish windows. If you’re looking to maintain a tight budget without compromising on quality, white windows can be a great option to consider.

Windows from Previous Jobs

Sometimes, companies may have windows that were custom-made for other jobs but didn’t fit. These windows are often sold at a reduced price. If you are flexible with the size of your window openings, ask your window replacement company if they have any such windows available. This can be another way to save money without sacrificing quality.

Negotiation is Acceptable

Don’t hesitate to negotiate with the window replacement company. Prices are not always fixed, and you might be able to secure a better deal by discussing your budget and needs. It’s always worth asking for a better price.

Seek Third-Party Installation

If you find the installation costs high, consider seeking a third party for installation. Often, independent contractors can provide the same quality of work at a lower price. However, ensure that they have proper credentials and positive reviews to guarantee a good job.

Obtain Multiple Quotes

It’s beneficial to get quotes from various window replacement companies. This will not only give you a better understanding of the market rates but also provide you a negotiating tool. If there’s a company you prefer but their quote is higher, share the lower quote you received elsewhere. They may be willing to match it to secure your business.


By asking the right questions and gathering information from your window replacement contractor, you can make an informed decision and ensure a successful window replacement project. Remember the importance of warranty coverage, proper installation, energy efficiency, material options, and understanding the cost and financing options. Take the time to research and compare contractors before making a final decision. With careful consideration, you’ll find the perfect contractor who will deliver the best results for your window replacement needs.

Frequently Asked Questions

What questions should I ask when getting windows replaced?

When considering window replacement, it’s crucial to inquire about the contractor’s experience and credentials, the types of windows they offer, the energy efficiency of those windows, and the warranty coverage. Additionally, ask about any additional costs that could arise during the installation process and if they offer any payment plans or financing options.

What should I ask when getting a quote for windows?

When getting a quote for windows, it’s important to ask for a detailed breakdown of costs, including the cost of the windows themselves, installation costs, and any additional costs that might come up. Also, ask if the quote includes all materials and labor, and if any potential increases in the cost can occur during the process.

How do I prepare my house for replacement windows?

To prepare your house for window replacement, clear the area around the windows both inside and outside of your house. Remove any window treatments such as curtains or blinds, and move any furniture or valuable items away from the area. It might also be beneficial to cover your furnishings with sheets to protect them from dust.

How messy is window replacement?

Window replacement can be a messy process as it involves removing the old windows and installing the new ones. There might be dust and debris, particularly if new window frames are being fitted. However, a professional window replacement contractor will take measures to minimize the mess and should clean up the area thoroughly after the job is completed.