Replacing house windows generally costs between $300 and $800 per window, depending on the material and size. Vinyl windows are the most affordable, while wood, aluminum, or custom windows increase the price. Energy-efficient windows cost more upfront but provide significant savings on utility bills over time. Installation fees typically range from $100 to $300 per window.

House windows cost between $300 and $800 to replace. Vinyl windows are cost-effective, while wood and custom windows are more expensive. Energy-efficient options, although pricier, can save homeowners money on energy bills in the long run. Installation costs range from $100 to $300 per window.