Replacement Windows

Buy custom replacement windows online with instant pricing. No sales calls and no pressure, just transparent pricing and made-to-order windows for your renovation, remodel, rental, or full-home replacement project.

Design & Buy Now → Call (858) 220-1179
Newly installed white replacement window on a home

How It Works

Build Your Windows

Customize your replacement windows with the online configurator.

Get Instant Pricing

See the price update as you select the size, frame, glass, color, and options.

Place Your Order Online

Review the specifications carefully and complete checkout securely online.

Delivery or Pickup

Choose $299 job-site delivery or free warehouse pickup where available.

Shop Replacement Window Styles

Choose a window style to explore details, available options, and custom configurations.

Single hung replacement window

Single Hung Windows

Classic vertical-opening windows for replacement and new construction projects.

 2 lite slider replacement window

2 Lite Slider Windows

Two-panel sliding windows designed for easy operation and more natural light.

 Picture replacement window

Picture Windows

Fixed windows that maximize natural light and provide unobstructed views.

 Casement replacement window

Casement Windows

Side-hinged windows that open outward for airflow and a tight seal.

 Awning replacement window

Awning Windows

Top-hinged windows that open outward for ventilation in compact spaces.

 3 lite slider replacement window

3 Lite Slider Windows

Three-panel sliding windows for extra-wide openings and flexible ventilation.

Replacement Window Customization Options

  • ✓Grid Styles: No Grid, Colonial, Marginal
  • ✓Colors: White, Almond, Black, Two-Tone
  • ✓Glass: Low-E, Tempered and Low-E
  • ✓Energy Packages: Mild, Cold, Hot
  • ✓Frames: Block Frame, Retro-Fit, and Nail-On
  • ✓Custom Sizing: 10 inches to 72 inches

Design, Price, and Order Reliably and Fast

At ClearMax®, we specialize in replacement window projects for homeowners, contractors, builders, investors, and property managers. Our online process gives you control over the size, frame, glass, color, grids, energy package, and other available options.

Whether you are updating one room or replacing windows throughout an entire home, you can configure the products online, see pricing update in real time, and arrange job-site delivery or free warehouse pickup.

Homeowner standing beside a replacement patio door
PayPal Pay Over Time

Finance Your New Windows

PayPal Pay Later may be available to eligible customers at checkout. Pay in 4 is interest-free. Pay Monthly terms, interest rates, eligibility, and availability vary.

  • ✓Pay in 4 may be available for eligible purchases
  • ✓Pay Monthly may be available for larger eligible purchases
  • ✓Applications may use a soft credit check
  • ✓Approval, terms, and availability vary
Configure & Finance Now →

Trusted by Homeowners & Contractors

★★★★★
“Ordered 14 windows for a full flip. Delivered on-site in 4 weeks. Will use again on every project.”
Mike T. Contractor, San Diego
★★★★★
“Way easier than going to a showroom. I got a price instantly and the windows showed up exactly as configured.”
Sarah R. Homeowner
★★★★★
“Best pricing I have found online. The ordering process took me 10 minutes for 8 windows.”
James K. Real Estate Investor

Ready to Get Started?

Design your custom replacement windows online and see real-time pricing.

Start Designing Now → Call (858) 220-1179

Replacement Windows FAQ

What are replacement windows?
Replacement windows are custom windows designed for existing homes and renovation projects. They are commonly installed using a block frame or retrofit frame when the existing opening and surrounding wall conditions allow it.
Why buy replacement windows online?
Buying replacement windows online lets you customize the size, frame, glass, grids, color, and energy package while seeing pricing update in real time. You can review every specification without waiting for an in-home sales appointment or manual quote, then choose $299 job-site delivery within the contiguous United States or free warehouse pickup.
How do I order replacement windows online?
Use the online configurator to choose the window style, size, frame, glass, color, grids, energy package, and other available options. Review every specification carefully, add the configured products to the cart, and complete checkout online.
What replacement window styles are available?
Available styles include single hung, picture, casement, awning, 2 lite slider, and 3 lite slider windows. Available frame and option combinations vary by product and manufacturing region.
What is the difference between block frame, retrofit, and nail-on windows?
Block frames have no exterior flange and are used when the installation method does not require one. Retrofit frames are designed to fit into an existing window frame while reducing exterior disturbance. Nail-on frames attach to exposed framing and are usually used for new construction or qualifying full-frame replacement projects.
How long do replacement windows take?
Most orders are ready in approximately four weeks. Production commonly takes 21 to 42 days, but timing can be shorter or longer depending on the product, selected options, manufacturer, production schedule, and location.
Where does ClearMax deliver replacement windows?
Standard $299 job-site delivery is available within the contiguous United States. Alaska, Hawaii, Puerto Rico, and other U.S. territories are excluded. Free warehouse pickup is also available from the location assigned to the order.
Does ClearMax install replacement windows?
Professional installation may be available for select projects in San Diego County, California. Installation is quoted separately and is not included in online product pricing. Customers outside San Diego County typically work with their own qualified installer or contractor.
Do you offer bulk ordering for contractors, investors, and builders?
Yes. ClearMax works with contractors, builders, developers, investors, property managers, and homeowners on single-window orders and larger project packages. Call (858) 220-1179 for help with a larger order.
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