New Windows Blog and Resources

Upgrading your home with new windows can be an excellent investment, boosting energy efficiency, enhancing curb appeal, and improving overall comfort. However, understanding the costs associated with window replacement is critical to planning your budget. This guide will break down the factors that influence window costs, provide an overview of price ranges, and offer tips for homeowners looking to get the most value from their investment.  Average Cost of New Windows  For an average home requiring 10 to 15 windows, the total replacement cost ranges from $2,000 to $15,000 or more, depending on customization and labor. It is important to note that the cost of new windows can vary widely depending on several factors, including the window type, size, material, and installation requirements. According to industry estimates:  National Average: $650 per window Low-End: $200 to $400 per window  High-End: $1,200 to $2,000+ per window  Factors Affecting Window Costs  Several elements can influence how much you’ll pay for new windows:  Window Type  Single-Hung Windows: $100 to $400 each Double-Hung Windows: $150 to $650 each Casement Windows: $250 to $750 each Bay or Bow Windows: $1,000 to $4,500 each  Specialty windows, such as custom shapes or stained glass, may cost significantly more.  Material  Vinyl: $150 to $850 Wood: $200 to $1,000 Aluminum: $400 to $1,200 Fiberglass: $500 to $1,500  Vinyl windows are often the most affordable and low-maintenance, while fiberglass and wood offer premium aesthetics and durability.  Size  Larger or non-standard-sized windows will naturally cost more due to increased material and labor needs.  Glass Options  Double-Pane Glass: Standard for energy efficiency Triple-Pane Glass: Adds $100 to $500 per window but improves insulation and reduces noise Low-E Coatings: An extra $30 to $50 per window for UV protection and energy savings  Labor and Installation  Labor costs account for $100 to $300 per window on average. Projects requiring structural changes (e.g., resizing a window opening) will increase labor costs significantly.  Location  Regional cost variations and local labor rates also play a role in total cost. Hidden Costs to Consider  When budgeting for new windows, don’t forget to account for potential additional expenses, such as:  Permits: $50 to $200, depending on local regulations  Old Window Disposal: $50 to $100 for removal and recycling  Repairs: If the frame or surrounding structure is damaged, expect to pay extra for carpentry work or reinforcements.  Tips to Save on Window Costs  Shop Around: Compare quotes from multiple contractors or window companies to ensure you’re getting competitive rates. Energy Rebates: Check for local or federal rebates for energy-efficient windows. Bundle Installations: Many companies offer discounts when replacing multiple windows at once. Off-Season Deals: Schedule your window replacement during slower months (typically winter) to save on labor costs. DIY Options: If you’re skilled, consider installing standard-sized windows yourself, though professional installation is recommended for the best results.  Is It Worth It?  Investing in new windows often yields a 75% to 80% return on investment (ROI) in terms of home value, particularly if you choose energy-efficient options. Additionally, homeowners can save $125 to $465 annually on energy bills by upgrading to modern, insulated windows.  Roofing Costs by Brand  Several brands specialize in new window installation, each offering unique models, features, and warranties. Here are a few top brands and their price ranges:  Window Nation  Window Nation is a leading provider of replacement windows, offering a wide range of styles and energy-efficient options tailored to various budgets. Their windows typically range from $500 to $1,500 per window, including installation, with features like Low-E glass and double- or triple-pane configurations to enhance energy efficiency. The company emphasizes customization, allowing homeowners to select from various materials, colors, and designs to match their preferences. Additionally, Window Nation provides a Limited Lifetime Warranty, transferable for up to 15 years, underscoring their commitment to quality and customer satisfaction. Explore reviews from real homeowners on Window Nation’s services.  NEWPRO NEWPRO, a family-operated business with nearly 80 years of experience, offers a variety of home improvement services, including custom bath and shower replacements, windows, doors, siding, roofing, and flooring. Their window products are known for their energy efficiency and durability, featuring advanced glass technology and customizable designs to match various home aesthetics. The cost of NEWPRO windows typically ranges from $450 to $850 per window, depending on factors such as window type, size, and materials used. NEWPRO provides a comprehensive lifetime warranty on their window products, covering potential manufacturing defects and material faults, reflecting their confidence in the durability and performance of their windows.   Explore reviews from real homeowners on NEWPRO’s services.  Milgard  Milgard Windows & Doors is a renowned manufacturer offering a diverse range of window products, including vinyl, fiberglass, and aluminum frames. Their windows are recognized for energy efficiency, durability, and customizable designs to suit various architectural styles. The average cost of Milgard windows ranges from $325 to $1,300 per window, depending on factors such as material, style, and installation requirements. Milgard provides a Full Lifetime Warranty on many of their products, covering parts and labor, which underscores their commitment to quality and customer satisfaction. Explore reviews from real homeowners on Milgard’s services.  Final Thoughts  The cost of new windows depends on your preferences, home requirements, and budget. Whether you prioritize affordability or premium quality, understanding the factors involved will help you make an informed decision. Take the time to research, compare quotes, and explore available financing or rebate options to ensure your investment delivers maximum comfort and value. 

Replacing windows can be a significant home improvement investment, but it doesn’t have to break the bank. In this guide, we’ll look at 10 low-cost replacement window brands that offer quality windows, long-term energy savings, and great warranties—without an exorbitant price tag. Each brand's cost range to install, available warranties, seasonal discounts, financing options, types of windows offered, and energy-saving features will be covered. Andersen Windows Andersen Windows stands out as a low-cost replacement window brand due to their balance between quality craftsmanship and affordability. Their 100 series and 200 series collections specifically are designed to be more budget-friendly compared to their premium lines. Andersen uses a material called Fibrex in their low-cost window options, a composite that is more durable than vinyl but less expensive than wood. This allows them to deliver high-quality, energy-efficient windows at competitive prices, without compromising on style or performance. Cost Range: $500–$1,200 per window (installed) Warranty: Limited warranty covering 10 years for parts and two years for labor. Discounts: Seasonal discounts and promotions are common, with financing options available through various lenders. Types of Windows: Double-hung, casement, picture, bay, and awning windows. Energy-Saving Options: Low-E glass coatings, Energy Star-rated options, and Fibrex material help reduce heat transfer and energy consumption. Jeld-Wen Windows Jeld-Wen is known for offering a wide range of budget-friendly vinyl and wood windows. What makes them stand out as a low-cost option is their vinyl windows, which are incredibly durable and require minimal maintenance, making them one of the best choices for homeowners on a budget. Their widespread availability through major retailers and big box stores ensures competitive pricing, making it easy for homeowners to find affordable windows without sacrificing quality. Cost Range: $300–$800 per window (installed) Warranty: Lifetime warranty on most windows. Discounts: Seasonal promotions and financing options, including no-interest periods. Types of Windows: Sliding, single-hung, double-hung, casement, and specialty windows. Energy-Saving Options: Low-E glass and insulated windows help reduce energy bills. Energy Star-rated models are available for extra savings. Pella Windows Pella stands out as a low-cost option due to its range of budget-conscious collections, such as the 250 and Encompass series, which are crafted with durable vinyl at a lower price point than their wood or fiberglass lines. This combination of reliable construction and affordability makes Pella a top contender for homeowners seeking quality windows at a reduced cost. Despite their lower price, Pella windows still offer excellent performance and energy efficiency, which is why they are widely recognized. Cost Range: $600–$1,500 per window (installed) Warranty: Transferable limited lifetime warranty on wood and fiberglass, 20-year warranty on vinyl. Discounts: Regular seasonal discounts and financing options, with deferred payment plans available. Types of Windows: Double-hung, casement, awning, sliding, and bay windows. Energy-Saving Options: InsulShield glass and triple-pane options for superior energy performance. Energy Star-rated models available. Simonton Windows Simonton is a well-known brand for offering affordable vinyl windows without sacrificing quality. Their focus on vinyl windows makes them a budget-friendly option for homeowners looking to replace windows at a lower cost. What sets Simonton apart is their wide availability and reputation for offering energy-efficient options at a fraction of the price of other premium brands. Simonton windows are known for being durable and offering great insulation, reducing overall energy bills for homeowners. Cost Range: $300–$700 per window (installed) Warranty: Double-lifetime limited warranty on vinyl windows. Discounts: Often available through major retailers, with no-interest financing options available. Types of Windows: Single-hung, double-hung, casement, sliding, and picture windows. Energy-Saving Options: ProSolar Low-E glass and argon gas filling reduce energy consumption. Energy Star-certified products. Milgard Windows Milgard is known for offering a wide range of windows at competitive prices, particularly through their vinyl and aluminum window series. The brand's dedication to providing high-quality windows at a lower cost has made them a top choice among budget-conscious homeowners. Milgard's vinyl windows are particularly popular due to their low maintenance, durability, and energy-efficient features, all offered at an affordable price. Cost Range: $350–$1,000 per window (installed) Warranty: Full lifetime warranty, with options for labor coverage. Discounts: Seasonal promotions and rebates, with financing options offering low monthly payments. Types of Windows: Awning, double-hung, sliding, casement, and bay windows. Energy-Saving Options: SunCoat Low-E glass and argon gas-filled windows meet Energy Star standards for energy efficiency. Alside Windows Alside is recognized for its affordable, high-quality vinyl windows that come with a lower price tag compared to other brands. Their cost-effective solutions are ideal for homeowners looking to replace windows on a budget while still expecting solid energy efficiency and durability. Alside is a standout brand due to its strong warranties and the wide range of vinyl window styles available, making it a versatile option for budget-conscious renovations. Cost Range: $300–$600 per window (installed) Warranty: Limited lifetime warranty on vinyl windows. Discounts: Available through authorized dealers, with competitive financing options. Types of Windows: Single-hung, double-hung, sliding, casement, and picture windows. Energy-Saving Options: ClimaTech insulated glass with Low-E coatings and argon gas improves energy efficiency and lowers utility costs. Window Nation Window Nation is a standout brand in the window replacement industry due to its affordability and comprehensive customer service. With a focus on providing high-quality vinyl windows at competitive prices, Window Nation offers a variety of window styles and energy-efficient options. What sets Window Nation apart is its commitment to custom solutions, allowing homeowners to choose windows that fit their specific needs and budget without compromising on quality or performance. They also frequently run promotions, making them a popular choice for cost-conscious homeowners. Window Nation Get replacement window estimates from Window Nation to get maximum savings on your project. Get Prices Cost Range: $400–$900 per window (installed) Warranty: Limited lifetime warranty that covers materials, labor, and installation defects. The warranty is transferable, adding value for homeowners planning to sell their property. Discounts: Seasonal discounts, including deals during national holidays and seasonal promotions like “Buy 2, Get 1 Free.” Financing options include low-interest payment plans, deferred payments, and zero-down payment plans for qualified buyers. Types of Windows: Double-hung, casement, sliding, bay, bow, and custom-shaped windows. Energy-Saving Options: Window Nation’s windows come equipped with Low-E glass, which enhances thermal efficiency by reflecting heat back into the home during the winter and keeping the home cooler in the summer. Many of their windows are Energy Star-rated, ensuring long-term savings on energy bills. ImproveIt! Home Remodeling ImproveIt! Home Remodeling is a regional brand known for offering budget-friendly, energy-efficient replacement windows tailored to fit a wide range of budgets. What sets ImproveIt! apart is its commitment to providing windows that not only improve the look of your home but also contribute to better energy efficiency, all at an affordable price. The company focuses on vinyl replacement windows, which are both durable and cost-effective, making them a popular choice for homeowners looking to upgrade without overspending. Improve It! Get replacement window estimates from Improve It! to get maximum savings on your project. Get Prices Cost Range: $400–$1,000 per window (installed) Warranty: Comprehensive lifetime limited warranty on windows, which covers materials, labor, and installation. This warranty is also transferable to the next homeowner, adding value if you plan to sell your home. Discounts: Frequent promotions and seasonal discounts, such as holiday deals and limited-time discounts on bulk window installations. The company also provides flexible financing options, including low monthly payment plans and 0% interest financing for qualified customers. Types of Windows: Double-hung, casement, sliding, bay, and picture windows are the most commonly offered styles.Energy-Saving Options: Windows engineered for energy efficiency, featuring Low-E glass and argon gas fills to minimize heat transfer. Their products often meet Energy Star requirements, which can lead to significant long-term savings on heating and cooling bills. Window World Window World is one of the most budget-friendly window replacement companies, with prices significantly lower than many competitors. Their focus on offering affordable vinyl windows with lifetime warranties makes them a top choice for homeowners looking to maximize value. The company’s bulk discounts and simplified product offerings help keep costs down without sacrificing quality or energy efficiency, making them a leader in the low-cost window market. Cost Range: $250–$600 per window (installed) Warranty: Limited lifetime warranty with glass breakage protection included. Discounts: Bulk discounts available, with financing options such as no-interest plans for up to 18 months. Types of Windows: Double-hung, sliding, casement, bay, and bow windows. Energy-Saving Options: Low-E glass and argon gas insulation ensure excellent energy efficiency, with many models meeting Energy Star standards. Champion Windows Champion Windows offers affordable replacement windows by focusing on their own manufacturing process and distribution, cutting out middlemen and passing savings onto customers. Their energy-efficient vinyl windows are competitively priced, and Champion frequently runs promotions and discounts, making it easy to get a good deal. Known for their superior insulation and long warranties, Champion is a top contender for homeowners seeking cost-effective window replacement solutions. Cost Range: $450–$850 per window (installed) Warranty: Limited lifetime warranty covering materials, labor, and glass breakage. Discounts: Bulk discounts and low-interest financing are frequently available. Types of Windows: Single-hung, double-hung, sliding, casement, picture, and bay windows. Energy-Saving Options: Comfort 365 glass blocks UV rays and improves energy efficiency, with Energy Star-rated models available. The Bottom Line When choosing replacement windows, it's important to consider not just the upfront cost but also long-term savings on energy bills, warranty coverage, and financing options. The ten brands listed here offer a balance of affordability, energy efficiency, and reliable warranties, making them solid options for homeowners seeking low-cost replacement windows. By comparing the costs, energy savings, and warranty terms, you can select the right replacement windows that fit your budget and deliver long-term value. Whether you're looking for basic vinyl windows or energy-efficient triple-pane options, these brands provide excellent choices for affordable window replacements in 2024. Compare all top-rated window brands.

Replacing your home’s windows can be a worthwhile investment that may enhance the aesthetics, energy efficiency, and value of your home. However, choosing the right window replacement company can be a daunting task given the multitude of options available. But, don’t worry, this guide will help you navigate the selection process, ensuring you make an informed decision that meets your needs and budget. We’ve broken down the selection process into six easy steps, providing you with a simple and solid foundation for choosing the best window replacement company for you: Assess window types and materials Evaluate product energy efficiency Verify company credentials Check warranties and financing options Consider customer service Research and gather recommendations Assess window types and materials Before contacting any companies, it is essential to assess your specific window requirements, including window types and materials. Doing so will help you narrow down your company choices and clearly communicate what you want with potential contractors. Additionally, understanding exactly what you need may also aid in setting a realistic budget for your window replacement project. Window types There is a large variety of window types available, many of which are offered by most window replacement companies. Some window types include the following: Single-hung windows Double-hung windows Casement windows Sliding windows Bay windows Awning windows Picture windows Different styles offer varying levels of ventilation, ease of cleaning, and aesthetic appeal. Materials In addition to a variety of window types, there is a variety of window materials available to choose from based on your preferences for maintenance, insulation, and aesthetics. Some common materials include the following: Wood — a classic look but often requires more maintenance Vinyl — low maintenance and energy-efficient Aluminum — durable but less energy-efficient Fiberglass — high durability and insulation but can be more expensive Composite — high durability and insulation but can be more expensive It’s important to consider potential long-term savings from energy-efficient windows (vinyl, fiberglass, and composite offer the most energy efficient window material options) which can reduce heating and cooling costs. Evaluate product energy efficiency When choosing a window replacement company, it's important to look for specific energy efficiency features in the windows they offer. These features can significantly impact your home's energy consumption, comfort, and overall savings on heating and cooling costs. Some key energy efficiency features to look out for include the following: Low-E glass coatings — Low-emissivity (Low-E) coatings are thin, invisible layers of metal or metallic oxide applied to the glass that help reduce heat transfer and reduce the amount of ultraviolet (UV) light that enters the home. Multiple panes — Windows with multiple panes (double or triple glazing) provide better insulation compared to single-pane windows. In most cases, multiple-pane windows also provide increased soundproofing and condensation reduction. Gas fills — Between the panes of multi-pane windows, inert gasses like argon or krypton can be used instead of air. Argon and krypton gas fills have lower thermal conductivity than air, providing superior insulation that can reduce heat loss or gain. Warm edge spacers — Spacers are used to separate the glass panes in double or triple glazing. Some companies may provide Warm Edge Technology that is made from materials that are less conductive than traditional aluminum spacers, reducing heat transfer at the edges and improving overall energy efficiency. U-Factor — The U-Factor indicates the rate at which a window conducts non-solar heat flow. Thus, a lower U-Factor indicates better insulation properties. For optimal energy efficiency, look for windows with a U-Factor of 0.30 or lower. Visible transmittance (VT) — VT measures how much visible light passes through the window. A higher VT allows more natural light into your home, reducing the need for other light sources in the home. Ideally, your windows should provide a balanced VT, ensuring good natural light without compromising on energy efficiency. Air leakage (AL) — AL measures the amount of air that passes through the joints of the window. A lower AL indicates better sealing and insulation, which will help maintain indoor temperatures and reduce your overall energy costs. Having some knowledge of specific energy efficiency features will help you know what to look out for when comparing companies’ window products. In addition, understanding the benefits of each energy-efficient feature may help you better assess which windows will best meet your needs and improve your home's overall performance, comfort, and energy savings. Verify company credentials Ensuring that the companies you consider are reputable and qualified is an important step that can protect you from subpar workmanship, while also ensuring that the company adheres to industry standards and regulations. Here are a few specific things to look out for: Licensing and insurance — Verify that the company holds the necessary licenses and insurance to protect against potential damages or accidents. This can include general liability insurance and workers' compensation. Certifications — Look for certifications from recognized industry organizations like the American Window and Door Institute (AWDI) or the National Fenestration Rating Council (NFRC). These certifications indicate adherence to industry standards. Experience — Consider companies with a solid track record and extensive experience in window replacement. Companies with several years in the business are more likely to deliver reliable service. However, a company’s time in business doesn’t necessarily guarantee quality or service; it may also be beneficial to consider working with a newer company in the industry. Check warranties and financing options Window replacement projects can be a significant investment — on average, window replacements may cost anywhere from $500 to $1,500 per window. Thus, it’s important to assess your own budget, while also ensuring that your investment will be protected. Warranties Most window replacement companies offer warranties on their products and services, ensuring that your investment is protected; but not all companies offer the same warranties. Thus, when comparing companies and warranty coverage, there are a few things worth looking out for, including the following: Coverage scope — Some companies may offer combined material, manufacturing,  and workmanship warranties, while others may offer each as a separate warranty. Warranty length — The average length of a warranty in the window replacement industry is 10–20 years, but some companies may offer lifetime warranties.  Transferability — Some companies may offer transferable warranties that can be transferred to a new owner if you sell your home. This can be an attractive feature for potential buyers and can add value to your property. Conditions and exclusions — In some cases, it can almost be more important to know what isn’t included with your warranty than what is included. Common warranty exclusions include damage from improper use, natural disaster, or unauthorized repairs. By carefully examining these aspects of window replacement company warranties, you’ll be on the right path to choosing a company that provides solid protection for your investment, ensuring long-term satisfaction and peace of mind. Financing options While it’s important to ensure that your window replacement investment is protected, you’ll also want to make sure that you can afford the investment in the first place. When pursuing a home improvement project, you will have the option to pay in cash, but that isn’t always a possibility for all homeowners. For this reason, many window replacement companies offer in-house financing, including loan options with low down payments. It’s important to note, however, that window replacement companies will have specific eligibility requirements for financing, which may exclude some homeowners from qualifying. It can be easier to finance your window replacement project directly through your chosen company, as that keeps all aspects of your project under one roof. However, you can also pursue other financing options, if needed, through your personal bank, credit union, or another online lender. Some financing options include the following: Personal loans Home equity loans Home equity line of credit (HELOC) Government programs and rebates Comparing all financing options available to you can help you secure the most favorable rates and terms. Consider customer service The level of customer service provided by a company can be a crucial factor in your overall satisfaction — good customer service ensures a smooth and pleasant experience from start to finish. While researching window replacement companies, it can be important to make note of your own limited experience with a company while making inquiries about products and/or quotes. How a company treats you, as a potential customer, can be indicative of how they will treat you throughout the entire window replacement process.  Some specific things you can look out for while researching and comparing companies includes the following: Responsiveness — Note how quickly and efficiently they respond to your inquiries. Prompt responses can indicate that a company values customer satisfaction. Professionalism — Assess a company’s willingness to answer questions, provide information, and accommodate your needs. Follow-up — Check if a company offers follow-up services post-installation, such as inspections or maintenance advice. This can be crucial for ensuring the longevity and performance of your new windows. Research and gather recommendations Conducting thorough research and gathering recommendations from trusted sources is crucial for finding a reliable window replacement company. Some sources for gathering information include word of mouth recommendations based on the experiences of friends, family, and neighbors, as well as engaging with online communities, such as social media groups and online forums. One valuable way to research window replacement company options is to read online reviews. On BestCompany.com there are currently upwards of 1,600 window replacement company reviews from real customers. Based on these customer reviews, the top three recommended window replacement companies include the following: Milgard Renewal by Andersen MI Windows and Doors Milgard Milgard provides high-quality window replacement and installation services. But the company is most well-known for its exceptional customer service: Milgard was the winner of the Best of Houzz Design award for the most popular company from 2014 to 2018. Milgard reviews are primarily positive — 91 percent of reviews are 4 or 5 stars. Satisfied Milgard customers frequently highlight the following from their experience with the company: High-quality windows Exceptional window value Prompt and professional customer service Milgard Learn more about Milgard's window replacement products and services, and read customer reviews. Learn More Renewal by Andersen Renewal by Andersen is one of the largest window replacement companies in the country. The company focuses on offering energy efficient and sustainable window products — all Renewal products are made from sustainable and recycled materials. On BestCompany.com, 82 percent of Renewal by Andersen reviews are 4 or 5 stars. Satisfied Renewal by Andersen customers frequently mention the following about their experience with the company: Fast window installations High-quality windows (customization options are available) Kind sales reps that aren’t overly pushy Renewal by Andersen Learn more about Renewal by Andersen's window replacement products and services, and read customer reviews. Learn More MI Windows and Doors MI Windows and Doors is a long-standing player in the window replacement industry and has become one of the nation’s leading suppliers of vinyl and aluminum windows. MI Windows and Doors reviews on BestCompany.com are mixed, but 79 percent of reviews are 4 or 5 stars. Satisfied MI Windows and Doors customers frequently highlight the following about their experience with the company: Energy-efficient windows that have helped lower utility bill costs Responsive and professional customer service Quicky and easy warranty claim process MI Windows and Doors Learn more about MI Windows and Doors' window replacement products and services, and read customer reviews. Learn More The final word Choosing the right window replacement company requires careful consideration of your needs, diligent research, and thorough evaluation of potential companies.  By following the steps provided, you may feel more confident while researching and comparing window replacement companies. And this confidence might be the catalyst to helping you select a reliable, experienced, and customer-focused company that will provide high-quality windows and professional installation, enhancing the comfort and value of your home for years to come. Compare Top Window Replacement Companies Learn more about the top window replacement companies, including their products and services. Compare Now

If you have just recently begun looking for new windows, you have probably already noticed the massive amount of different styles and choices for your home window replacement. Many new window companies attempt to impress customers by showing the sheer number of window options. It’s important that customers try to familiarize themselves with the most important qualities of modern-day windows. Here are the best of the best window options.  Energy-Efficiency The most important quality in windows nowadays is energy efficiency. Most of us simply take a manufacturer’s word for it when they tell us that a window is energy efficient. But what makes a window energy efficient? It is important that you know the difference between energy-efficient windows and those that aren’t.  Common manufacturing practices of making windows energy efficient include low-E layering or coating and argon glazing. Energy-efficient windows that have been manufactured correctly will be verified. You can know if a window is energy-efficient if it carries the Energy Star label somewhere on the window. Be sure you ask your new window provider how high their windows rate in terms of energy efficiency.  Vinyl Framing Framing choices usually depend on the tastes of the person buying them, but vinyl framing is by far the most popular. This is because it is the best quality for the lowest price. Additionally, vinyl framing is extremely energy efficient compared to other framing options. Because it is so durable and tough, it doesn’t rot, takes no insect damage, and virtually stops moisture in its tracks. Professional Installation The glass and the framing of a window are important, but neither will work properly if they aren’t installed correctly by trained professionals. The trick is how to spot contractors who skip corners. Make sure you interrogate your contractors before they begin installation about pre installation waterproofing. Ask them if they rely heavily on sealants to get windows to fit right. If they do, you know they aren’t giving your windows the attention they deserve. Show your contractor that you know what shoddy workmanship looks like and they will be more wary of doing a bad job.   In the end, a good window installation depends on your attention to detail. Be meticulous in your research and you won’t be disappointed in the results.