India, July 5 -- As the temperature continues to rise in the summer months, residents are relying on handy household tips to ensure their appliances work as smoothly as possible. One trick that has since gone viral on social media sees households tuck an A4 sheet of paper into the edge of their fridge door to monitor their seal.

What Is the A4 Paper Fridge Hack?

This method is quite easy. Take a plain piece of A4 paper and insert the paper halfway between the door and the body of the fridge, and close the fridge door onto the paper. Now gently pull the paper out.

Why Does It Matter During a Heatwave?

In extremely hot weather, refrigerants need to run harder to keep cool. If the refrigerator door seal isn't tight, warm air can continue...