In addition to energy efficiency, a properly sealed door contributes to overall comfort in your home. Drafty doors can create uncomfortable hot or cold spots in your living space, making it difficult to enjoy a consistent climate throughout the home. Furthermore, outside door bottom seals help reduce the entry of dust, pollen, and other allergens, improving indoor air quality. This is particularly important for individuals with allergies or asthma, as improved air quality can lead to a healthier living environment.