Energy-Efficient Replacement Windows

Schedule a free, no-obligation visit with window specialists who understand how Chicagoland weather impacts your home

Request a free quote

Gray Vinyl Siding Home With White Trim Showcasing New Window Replacement Results

Professional Window Replacement in NW Chicago

Replace your home’s windows with professional installation from Lake Cook Exteriors, Inc. For nearly 40 years, homeowners in Palatine, Arlington Heights, Buffalo Grove, Schaumburg, and nearby northwest suburbs have trusted our team for exterior remodeling.

We install high-quality Simonton 5500 Reflections and 5050 Reflections vinyl replacement windows. Our team works with homes of all ages and styles, helping you choose the right windows, layouts, and finishes to fit your home and budget.

Why Choose Us for Window Replacement

Chicago’s northwest suburbs demand windows that handle winter winds, summer heat, and seasonal changes. Lake Cook Exteriors delivers quality and reliability:

  • Free Consultation: Review your home, style, and budget
  • Written Contract & Warranty: 10-Year Labor Warranty for peace of mind
  • Full Project Management: Permits, delivery, removal, and cleanup handled
  • Skilled Installation Crews: Precise fit and long-lasting performance
  • Year-Round Scheduling: Flexible timing to suit your home

Schedule Your Free No-Obligation Quote

NW Suburbs’ Go-To Exterior Contractor

Choose the Right Simonton Window for Your Home

We install two high-performing vinyl window lines designed for different priorities, whether you’re focused on maximum efficiency or staying within budget.
Sunlit Music Room With White Grid Replacement Windows Overlooking Lush Green Lawn

Simonton 5500 Series

Best for: Maximum efficiency & premium finishes

  • Advanced Glass System: ProSolar® Low-E glass with Argon gas helps reduce energy loss year-round
  • Refined Frame Design: Beveled profile adds depth and a more traditional look
  • Expanded Customization: More colors, woodgrain interiors, and hardware finishes
  • Performance Upgrades: Optional glass for sound control, UV protection, and added security
Father And Child Enjoy A Bright Bay Window Nook With Vinyl Windows Letting In Natural Light

Simonton 5050 Series

Best for: Reliable performance at a more accessible price point

  • Energy-Efficient Design: Low-E glass with insulated construction helps reduce drafts and maintain indoor comfort
  • Clean, Versatile Style: Streamlined frame works well across a wide range of home styles
  • Practical Customization: Select colors, grid patterns, and finishes to complement your home
  • Durable, Low Maintenance: Vinyl construction resists warping, peeling, and routine wear

Not Sure Which Window Is Right for Your Home?

Simonton Vinyl Window Options

Compare your options — Lake Cook Exteriors

Feature
5500 Series
Premium
5050 Series
Budget-friendly
Best for
Max efficiency & premium look
Reliable performance, lower cost
Energy efficiency
Advanced
Low-E + Argon + upgraded options
Standard
Energy-efficient package
Frame design
Beveled, refined
Premium appearance
Clean, straightforward
Simple design
Glass options
Expanded upgrades
Sound, safety, UV protection
Essential options
Standard glazing package
Customization
More colors, woodgrains
Extended finish library
More limited selections
Core color options
Price tier
Premium
Budget-friendly
Warranty
Lifetime Limited Warranty
Lifetime Limited Warranty
Lake Cook Exteriors · Palatine, IL · (847) 991-9180 · Both series carry a Lifetime Limited Warranty

Still deciding after comparing options?
Our team can help you choose the right fit for your home and budget.

Common Questions About Vinyl Replacement Windows

How much will window replacement cost?

Every home and project is different. The best way to understand what works for your home is to schedule a free at-home estimate. Our specialists review your windows, explain options, and recommend solutions tailored to homes in Palatine and surrounding suburbs.

Signs include drafts, condensation between panes, difficulty opening or closing, or warped frames. Many older homes in Palatine and nearby northwest suburbs show these issues as windows age. Replacing the window ensures long-lasting performance and improved comfort throughout the year.
Yes. Modern vinyl replacement windows are designed for Chicago-area weather. They improve insulation and reduce strain on heating and cooling systems, keeping homes in Palatine, Arlington Heights, Schaumburg, and Buffalo Grove more comfortable.
Replacing multiple windows together often provides the most noticeable improvement in comfort and energy efficiency. Many northwest suburbs homeowners choose to replace all windows at once for consistent performance and appearance.
Yes. We work with homes throughout Palatine, Arlington Heights, and nearby suburbs, including older split-levels and historic neighborhoods. We match styles and finishes so windows perform better without changing the home’s character.
Yes. Some homes in the northwest suburbs have HOA or subdivision guidelines that require specific window styles or colors. Checking these requirements before installation ensures compliance and a smooth process.
Schedule a free at-home estimate. Our team measures your windows, reviews style and performance options, and explains what will work best for your home in Palatine, Arlington Heights, Buffalo Grove, or Schaumburg.