As the temperature drops outside, it can be frustrating to feel a draft of cold air seeping into your cozy home. You might think you've closed all the doors and windows, but sometimes, cold air can still sneak in through the bottom of your doors....
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.