Which touchless trash cans are best? Touchless trash cans are one of the latest innovations in automated kitchen technology. They use infrared motion sensors to automatically lift the lid, allowing users to dispose of trash without touching the can. This hands-free operation makes them not only efficient and easy to use but also improves kitchen hygiene as it helps reduce contact with germs, bacteria and parasites that are often found in household waste. Choosing the ideal touchless trash can for your home will depend on several factors, from the number of people in your household to the shape, size and material that best suits your decor. What to look for in a quality touchless trash can Shape and size As with regular trash cans, there are many different shapes and styles available.