While refrigerators keep our food fresher longer, they can’t stop the rotting process completely. In other words, if you leave fresh meat, produce, or dairy products in the fridge long enough, they’ll ...

man using freon leak detector on A/C evaporator coil - David Spates/Shutterstock Home appliances, like air conditioners and refrigerators, sometimes cool down with freon. Freon is a trademark name, ...