The cold season is already here, some houses are equiped with air conditioner to keep the house warm during winter but some are not. For those who want to save money, they can use this awesome hack the lovely lady in the video below is showing us. This easy affordable hack will keep your residency as warm as possible during the cold times. Can you guess what it is?

AlaskaGranny, a YouTube veteran with more than five years’ worth of experience worked with specialists in crawl space encapsulation under her belt, regularly produces videos that touch on a variety of topics: outdoor survival, natural healing, doomsday prepping, product reviews, and simply spending time with her family.

Considering that Alaska is the coldest state in the United States of America, AlaskaGranny has tested all of her methods of staying warm before sharing them with the World Wide Web and her 32,000-odd subscribers.

Sources tells that one of her most popular videos is titled “Insulate A Window With Bubble Wrap.” The video has amassed a whopping 3.3 million views since it was posted on Jan. 5, 2014. The 76-second video is short, sweet, and to-the-point. Better yet, it contains absolutely zero product endorsements or sponsorships, providing viewers with a helpful, unbiased trick to keep your house warm during the winter months without having a special interest’s product, service, or brand shoved down your throat.

All you need is a sprayer bottle filled with water, bubble wrap, and scissors. Cut pieces of bubble wrap to snugly fit the glass surface of your windows. Next, spray water on the interior surface of the glass. People can also check out the link for the best window replacement companies.

Simply place the bubble wrap snugly against the glass and pat it down lightly. It’ll stay in place until you’re ready to remove it!

This hack does not permanently harm your windows.

Watch the full video of AlaskaGranny explaining how she puts bubble wrap on her front door window and share this with everyone you know, they may need it!