The 10 Best Under Door Draft Stoppers

Updated March 14, 2018 by Gregg Parker

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We spent 47 hours on research, videography, and editing, to review the top options for this wiki. One of the quickest and easiest ways to save money on your heating bill and stay warm during the winter months is to stop hot air from leaking out of the house and prevent cold air from blowing in. These under-door draft stoppers come in a variety of styles and sizes to work with any door and flooring material, ensuring you can find one that matches the decor of your home. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best under door draft stopper on Amazon.

10. New Resources Group Clear

9. Simply Genius

8. Fowong Heavy Duty

7. Appleberry Attic

6. Anyqoo Self-Adhesive

5. The Maine Sales Company

4. Evelots Dog

3. Bandwagon Snake

2. Monikas Marketplace Handmade

1. Idealcraft Energy Efficient

A Brief History Of Insulation

From the first time a caveman threw a saber-toothed tiger pelt on his cave floor, humans have been looking for ways to improve the comfort of their homes.

For early civilizations, this meant harnessing the power of mud. Both the ancient Egyptians and early Vikings made good use of wet dirt, with the Egyptians creating mud bricks to keep their homes cool, while their Nordic counterparts mixed it with straw to fill in the cracks in between the logs of their homes.

The Greeks discovered a form of insulation that not only kept their homes comfy, but also helped reduce the likelihood that it would go up in flames. They called this substance "inextinguishable," and their word for that guessed it, asbestos.

Asbestos would remain popular for centuries to come, but it would truly experience a boom when the Industrial Revolution rolled around. Steam power was quite popular at this time, and as you might expect, steam is very hot. In order to improve safety, manufacturers would line pipes, turbines, and more with asbestos, which also had the benefit of conserving energy.

A new form of insulation was discovered quite by accident in the 1930s. A researcher named Dale Kleist was trying to form a vacuum seal between two glass blocks, only to discover that pressurized air turned some of the glass into thin, stringy fibers. Thinking quickly, he named it fiberglass, and it became one of the dominant forms of insulation for the following few decades.

Another variety, cellulose, became fashionable beginning in the 1950s. Cellulose is actually a fairly ancient technology, as it's essentially just a mass of paper, straw, or cotton — basically what the Vikings used. It had one big drawback, however, which is that all of those things are extremely flammable. Once manufacturers figured out how to add a flame retardant into the insulation, it immediately became commercially viable.

Originally developed by the military in the 1940s, polyurethane spray foam would be the next big thing in construction once the Reagan era rolled around. Its big advantage was that it could expand to fill in cracks and crevices, whereas earlier styles could only cover flat surfaces.

Today, with the green revolution and the increased focus on energy efficiency, properly insulating your home is one of the smartest and most cost-effective ways to save money and the planet. A poorly-insulated home lets all that expensive warmth out, causing you to use more energy to keep your home comfortable — and doors and windows are two of the biggest culprits when it comes to losing energy.

Regardless of how you choose to insulate your home, the important thing is that you do it. Your pocketbook (and the ozone layer) will thank you.

Benefits Of An Under-Door Draft Stopper

There are some little things in life that can have incredibly far-reaching impacts — think a pebble in your shoe, a virus in your bloodstream, or a hole in your parachute.

Under-door draft stoppers belong in this category, albeit in a far more beneficial way. It's amazing what a huge difference these small devices can make, but once you see the change in your utility bill, you'll be a believer.

That, of course, is one of the main areas in which they make a difference. By keeping your treated air inside the home, you'll need to run your heater or air conditioner less — and that means you'll consume less electricity. In some places with high energy costs (looking at you, Hawaii), those savings can be quite considerable indeed.

Another benefit of using less juice is the fact that creating electricity is extremely bad for the environment, so any reduction in consumption equals less damage to Mother Nature.

The great thing about under-door draft stoppers is that they don't require you to sacrifice comfort. You can still enjoy your home at a reasonable temperature — it will just take less energy to get it there. A massive amount of energy loss can happen via your doors and windows, so filling in those gaps will have an immediate, noticeable impact.

Think of it as plugging a leak in your boat, except instead of water coming in, money's going out. Your money. Lots and lots of it. An entire ocean of cash.

Kinda makes you want to plug the leak, doesn't it?

Other Ways To Improve Your Home's Efficiency

If you're truly committed to lowering your carbon footprint and reducing energy costs, there are quite a few steps you can take to make your house more energy-efficient.

Taking a look at your insulation is the obvious first step. Make sure the attic and basement are well-insulated, replace windows, and, of course, invest in a few draft stoppers. These home improvements can pay for themselves several times over, so don't dilly-dally.

Don't forget your roof, either. Obviously, installing solar panels can pay big dividends over time, but there are also other cool-roof options. These include tile, shingles, or even installing a few skylights.

You should think about your garden situation, as well. Planting trees around your home is a great way to make it cooler without running the AC, while bushes around the walls can serve as a first line of defense against outside air.

Appliances can also be huge energy vampires. Make sure everything you own is Energy Star-certified, and consider upgrading to greener options where applicable. For example, tankless water heaters are both more convenient and better for the planet, as they produce hot water on demand, thereby reducing waste.

Being environmentally-conscious doesn't have to be a drag. With a few smart home upgrades, you can be both more Earth-friendly and more comfortable — and you won't have to pay all those expensive medical bills every time you have a heart attack from opening your electric bill, either.

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Last updated on March 14, 2018 by Gregg Parker

Gregg Parker is an author, screenwriter, and comedian who divides his time between Los Angeles, California, and Osaka, Japan. When he’s not watching sports, he spends most of his free time on his artistic pursuits or collecting miles for his next international journey.

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