Heat is one of the biggest expenses in your energy bill, so keeping heat from escaping is one of the best ways to save money every month. The Washington Post shows us the most common places heat escapes.

We’ve shared a lot of winterizing tips before, but the Post’s infographic is really useful in finding out which spots are the most important. For example, about 31% of typical air leakage is going to be from ceilings, walls, and floors, while another 15% or so will come from recessed lights, wiring, and plumbing. Check out the full infographic at the Washington Post for more info, as well as some tips on checking for leaks and sealing them up