Install energy-efficient windows

Though a relatively costly upgrade, properly installed ENERGY STAR® windows can make a home more energy efficient by reducing drafts and maintaining even temperatures.

Skill level: Professional
Work with a contractor to choose ENERGY STAR certified windows for energy savings and improved comfort. If you currently aren’t able to replace existing windows, improve efficiency by sealing gaps, adding storm windows and using window coverings, such as thermal curtains, to hold in heat.
Cost range: $400-$1,000 each + installation
Homeowners have access to a variety of styles, quality and efficiency levels.
Savings: 10%-15% a year when replacing single-pane windows
Upgrading the energy efficiency of your windows can cut your annual energy costs, while also protecting the home’s interior from fading and reducing condensation that damages sills.