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If you want the best windows in Andover MN for energy efficiency during harsh winters, focus on windows designed to keep heat inside and block cold drafts. The top-performing windows typically feature double- or triple-pane glass with argon or krypton gas fills between the panes, which greatly reduce heat loss. Low-E (low emissivity) coatings are also essential because they reflect heat back into your home while letting natural light in.

For frames, materials like vinyl, fiberglass, or well-insulated wood are ideal, as they prevent heat transfer better than aluminum or steel. Additionally, look for windows with strong weatherstripping and tight seals to prevent air leaks.

Casement windows and fixed picture windows often offer superior insulation compared to sliding types. Choosing energy-efficient windows tailored for cold climates will help you stay warm, lower your heating bills, and protect your home from Minnesota’s tough winters.