By entering some information about your home and appliances, they generate a basic plan for your next upgrades, including price estimates, available rebates, and estimated energy savings. Takes like 5 minutes, 10 minutes if you want to read all the details.
This sounds like a good idea, but it forces you to create an account after the first two steps. Plus from the text it looks like this is for US homes only, which may still be a good thing but potentially of limited use for us Europeans.