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Windows, Doors, & Skylights

Installing storm windows keep your home warm in the winter and cool in the summer while also lowering your energy bills by up to $350 a year. <a href="/node/797126" target="_blank">Start saving today by following a step-by-step guide in our new DIY Savings Project</a>.

Installing storm windows keep your home warm in the winter and cool in the summer while also lowering your energy bills by up to $350 a year. Start saving today by following a step-by-step guide in our new DIY Savings Project.

Energy-efficient windows, doors, and skylights—also known as fenestration—can help lower a home's heating, cooling, and lighting costs. Learn about the energy performance ratings to consider when selecting windows, doors, and skylights, and how to maximize their energy efficiency in your home.

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Working with Alaska to Reduce Energy Use and #ActOnClimate
New Energy Department competition to help rural Alaskan communities save energy and fight climate change. | Graphic by <a href="/node/1332956">Carly Wilkins</a>, Energy Department

New Energy Department competition to help rural Alaskan communities save energy and fight climate change.

Nevada’s State Park System Strengthens Attractions with Solar
State Energy Program funds from the U.S. Department of Energy supported the installation of batteries to store energy from this solar system at Nevada's Beaver Dam State Park near the Utah border.

The state park system across the U.S. is critical to historic preservation, natural history, wildlife conservation, and education. The Energy Department plays an important role in supporting state parks thought clean energy investment.

EERE Success Story—Colorado Dairy Industry Boosts Energy Efficiency
Windows, Doors, & Skylights

Historically, the U.S. dairy industry has been one of the most energy-intensive forms of agriculture. Colorado is at the forefront of the fight to increase energy efficiency in this sector.

New Bedford Builds Foundation for Energy-Centric Economic Development
Pictured here is one of the solar arrays that is providing New Bedford with clean, renewable energy to power its municipally owned buildings. This ground-mounted solar array is built on a brownfield site. | Photo courtesy of Con Edison Solutions.

How a focus on energy efficiency and renewable energy is helping one Massachusetts city prosper.