Is Your Entry Door Leaking Money? How to Check Weatherstripping

July 28, 2026

How to Know If Your Entry Door Weatherstripping Has Failed - Kubala Windows

Your entry door is more than just an entryway; it's a critical barrier protecting your Massachusetts or Connecticut home from the elements. A key component in this defense is weatherstripping, the material that seals the gaps around your door frame. When it fails, it can lead to uncomfortable drafts, higher energy bills, and even moisture problems. Understanding how to identify compromised weatherstripping is essential for maintaining a comfortable and energy-efficient home year-round.

Why Healthy Weatherstripping Matters for MA & CT Homes

In New England, we experience a wide range of temperatures, from harsh winters to humid summers. Intact weatherstripping is crucial for keeping conditioned air inside and extreme temperatures out. It helps maintain consistent indoor temperatures, reduces noise, and keeps out pests and moisture. In fact, air leaks around doors and windows can account for a significant portion of your home's heating and cooling losses—up to 30-40% in some cases. Replacing worn weatherstripping is a cost-effective way to improve your home's energy efficiency and can save you 5% to 15% on energy bills.

Clear Signs Your Weatherstripping Has Failed

**Visible Gaps or Damage:** Inspect the weatherstripping around your door. Look for cracks, tears, brittleness, missing pieces, or areas where it's pulling away from the frame.
**Feeling Drafts:** Stand near your closed door on a windy day and feel for air movement, especially along the edges. If you feel a cool breeze in winter or warm air in summer, your seal is compromised.
**Light Shining Through:** From inside your home during daylight hours, check for any slivers of light around the closed door. If light gets in, so does air, moisture, and pests.
**Higher Energy Bills:** A noticeable increase in your heating or cooling costs without a change in usage or utility rates can indicate that your HVAC system is working harder due to air leaks.
**Moisture or Pests:** Finding moisture stains, warped door jambs, or an unusual presence of insects near your entryway can signal that the weatherstripping is no longer creating an effective barrier.

Testing Your Weatherstripping: Simple DIY Methods

Beyond visual inspection, you can perform a couple of easy tests. The **"paper test"** involves closing the door on a piece of paper or a dollar bill. If you can easily pull it out, the weatherstripping isn't providing enough compression. Another method is the **"candle test"**: on a windy day, hold a lit candle or incense stick near the door seams. If the flame flickers or smoke wavers, you have a draft.

Seasonal Timing: When to Address Weatherstripping Issues

While weatherstripping can fail at any time, the best time to inspect and replace it is typically in **early spring or fall**. These seasons offer moderate temperatures, making it more comfortable to work on exterior projects. Addressing issues in the spring allows you to seal out pollen and prepare for summer heat, while a fall inspection ensures your home is ready to withstand the cold Massachusetts and Connecticut winters. Regular annual checks are recommended, especially for high-traffic entry doors, as weatherstripping typically lasts 2-5 years depending on usage and material.

If you find your entry door's weatherstripping is consistently failing, or if you're dealing with persistent drafts even after replacing it, it might be a sign that your door itself is no longer performing optimally. In such cases, considering a replacement entry door can offer a more permanent solution for energy efficiency and comfort. At Kubala Windows, we specialize in high-quality our replacement windows page and doors designed to withstand New England's climate. If you're concerned about your home's energy efficiency, don't hesitate to get a free estimate from our experts.