Many air leaks are easy to find because they are easy to feel – like those around windows, doors, and through electrical outlets. But hidden air leaks in attics, basements, and around chimneys are often more significant sources of energy loss. Consider addressing these big leaks first because they will have a greater impact on improving your comfort and reducing your utility bills. ENERGY STAR’s Home Sealing Do-It-Yourself Guide has great pictures and suggests places to look for these leaks. Visit ENERGY STAR Home Sealing for more information.

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