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The Building Envelope – Walls, Attic, Basement, Doors and Windows

Before buying a new heating or cooling system, it makes sense to tighten up your house first. The following steps will reduce your heating and cooling load, improve your comfort, and maybe even allow you to purchase a smaller—and less expensive—furnace or air conditioner when the time comes to replace your existing system.

Step 1: Consider an Energy Audit
Step 2: Find and Seal Air Leaks
Step 3: Insulate
Step 4: Upgrade Inefficient Windows & Doors
Step 5: Replace Old Windows

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Doors, Energy, Windows

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