How to insulate your home to keep it warm during the winter, according to experts

I spoke to multiple home experts to learn how to keep your home warm and insulated when the temperature drops, and the best hands-on tools to use.

There are a lot of things to look forward to when the cold temperatures arrive: Refreshing your wardrobe with a new winter coat, sitting around a fire pit or taking a winter vacation. What isn’t as exciting is all of the home maintenance that comes with heavy snowfall and freezing temperatures. Aside from trying to clear your driveway with a snow blower or getting ice off your windows, your home may feel drafty or (worse) your pipes might freeze. This is why learning how to insulate your home is important. I spoke with home improvement, appliance and HVAC experts to learn more about different ways to insulate your home with affordable and accessible supplies available online, like tap and sealant.

Want more from NBC Selected? Sign up for our newsletter, The Selection, and shop smarter. The best products for insulating your home in 2026 All of the products below are either recommendations from our experts or NBC Selected team of shopping experts, or have at least a four-star average rating from 500 or more shoppers on Amazon. One of the easiest (and most affordable) ways to help insulate your home is by using a draft guard, according to Lou Manfredini*, a home expert at Ace Hardware. Also called draft stoppers, door sweeps and draft snakes, these products are extremely straightforward: