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2 Proven Tips to Seal Doors and Windows for Better Energy Savings

2 Proven Tips to Seal Doors and Windows for Better Energy Savings

Feeling the chill this winter? A quick check of your door and window insulation could be the key to staying warmer without spiking your energy bills.

These straightforward, budget-friendly strategies can significantly enhance your home's sealing, cutting heat loss and reducing heating costs effectively.

Here are two expert-recommended tips to improve door and window seals:

2 Proven Tips to Seal Doors and Windows for Better Energy Savings

Contents
  • 1. Curtains in front of windows and doors
  • 2. Equip door sills with a draft stopper

1. Curtains in Front of Windows and Doors

One of the simplest and most cost-effective ways to block drafts is by hanging heavy curtains directly in front of windows. They outperform blinds in retaining indoor heat, providing superior insulation at a fraction of the cost.

This approach works equally well for doors, especially older ones that aren't fully airtight. Gaps at the bottom, top, and sides let cold air seep in, but a tall, wide curtain minimizes this loss dramatically.

For maximum effectiveness, let the curtains reach all the way to the floor, creating a tight seal against your windows or doors.

2. Equip Door Sills with a Draft Stopper

A reliable solution for the most common draft entry point—the bottom of doors—is to add a draft stopper (also called a door snake or bead).

DIY-savvy homeowners can sew their own using fabric and foam filling, or even stuff one with old newspapers for a quick, no-cost fix.

This simple addition is practical, effective, and a foundational step in home energy efficiency.

Start with your doors and windows: proper sealing is essential for maintaining warmth without cranking up the heat or overspending.