Frequently Asked Questions

Cost depends on window count, style, material, glass package, and installation method. A free in-home estimate is the best way to get an accurate number. See our cost guide for what influences pricing.

Retrofit (insert) windows fit into your existing frame and are faster and less disruptive. Full-frame replacement removes the entire old frame—ideal when frames are damaged or you're changing size or style. We'll recommend after inspecting your home.

Permit requirements vary by city, window dimensions, installation method, and safety-glazing rules. We coordinate with your city and the licensed contractor on your project. Always confirm before work begins.

Coastal homes benefit from corrosion-resistant frames, salt-air-rated finishes, and impact-rated glass. Fiberglass and certain aluminum products perform well. We match products to your exposure.

Sound-reducing glass packages and proper installation can help lower exterior noise from traffic, freeways, and airports. Results vary; we'll set realistic expectations.

Replacement Windows Online is operated by an authorized sales representative. All contracts, installations, warranties, financing, permits, and contractor services are provided or arranged through the properly licensed company identified in your written proposal.

Most whole-home projects take one to two days depending on window count and complexity. We'll give you a realistic timeline in your written proposal.

Clear three feet around each window, remove window treatments and nearby decor, secure pets, and take photos of your current windows. We'll send detailed prep instructions.

Vinyl is low-maintenance and a great value. Fiberglass is stronger, more stable, and paintable—well-suited to coastal and modern homes. We'll compare both during your consultation.

Low-emissivity (Low-E) coatings reflect infrared heat while letting visible light through, helping manage heat gain from Southern California's sun.