It depends on a few factors, like climate and insulation type. In colder climates, it's important to insulate your ceilings and walls in order to keep the heat inside. In warmer climates, insulation can help keep the cool air inside during the summer. There are different types of insulation available, so you'll want to do some research to find out which type would be best for your home.

It depends on a few factors like climate, insulation type and thickness, and your home's overall energy efficiency. In general, though, insulation is a good way to keep your home at a comfortable temperature year-round and can save you money on your energy bills. If you're thinking about insulating your ceilings, it's best to consult with a professional contractor who can help assess your specific situation and recommend the right type of insulation for you.