Cold near the door? Check the seal before raising the heat.

If the chair near your exterior door always feels chilly, take a moment to inspect the door before changing your heating settings. Outdoor air leaking around a worn seal can affect comfort. Weatherstripping is intended for moving parts such as doors and operable windows; caulk serves stationary gaps.

Start with a visual check

With the door closed normally, look along the sides and bottom for a visible gap. Then open it and inspect the existing weatherstripping for missing, torn, or flattened sections. Write down what you find. This is an observation, not a reason to force the latch, remove trim, or take the door apart.

Keep the door usable

If a seal needs attention, follow the door and weatherstripping manufacturer’s directions or ask a qualified repair professional. The door must still close, latch, and open freely. Do not seal a door shut or cover window drainage openings, ventilation grilles, or heating-equipment air intakes. Avoid using a candle or other open flame to look for drafts.

A door check is only one clue

Visible door gaps are not necessarily your home’s biggest air leaks. The U.S. Department of Energy notes that hidden openings elsewhere can matter and recommends a home-energy assessment for a fuller picture. Ask the assessor to consider ventilation and combustion safety before broader air-sealing work.

If the seal looks intact but the room stays uncomfortable, record where you feel the chill and whether the rest of the home warms normally. That information can help distinguish a draft concern from a heating or air-distribution issue; it does not diagnose either one.

Need help with uneven heating or furnace and heat pump service in Roseto, the Slate Belt, or the Lehigh Valley? Call Slateco at 484-291-7752.

Sources: South Carolina Energy Saver: Weatherstripping and U.S. Department of Energy: Home Energy Checklist; and ENERGY STAR: Identify the Problems You Want to Fix. Follow product and equipment instructions.

Prepared with AI assistance for Slateco Heating and Cooling LLC. This is general homeowner guidance.