What is a key benefit of dual-pane windows compared to single-pane windows?

Dual-pane windows provide better insulation compared to single-pane windows due to the design that includes two layers of glass separated by a space filled with air or inert gas. This design effectively creates a barrier that reduces the transfer of heat between the interior and exterior of a home. As a result, they help maintain a more consistent indoor temperature, leading to improved energy efficiency. This improved insulation also contributes to reduced heating and cooling costs, making dual-pane windows a smart investment for homeowners looking to enhance their energy efficiency and comfort. The other options, while they may hold some merit in different contexts, do not address the primary functional advantage that dual-pane windows offer over their single-pane counterparts.