There are a few different types of insulation, but the most cost effective is probably fiberglass insulation. It's affordable and it does a good job of keeping your home warm in the winter and cool in the summer. Plus, it's easy to install and doesn't take up a lot of space. So if you're looking for an affordable way to keep your home comfortable all year round, fiberglass insulation is a good option.

I was looking for the best insulation in town. What is the most cost effective insulation? There are many types of insulation, and the type you choose will depend on your climate and budget. However, some of the most affordable options include fiberglass batting, cellulose insulation, and spray foam. Compare prices from different suppliers to find the best deal.