The built-in help provides extensive details on this; at least it does in v2.8

Roughly-speaking, present value is what you could sell the home for, and AERC is utility bills plus excess mortgage over the reference condition. They are apples and oranges.

The built-in help provides extensive details on is quite detailed no this; at least it does is in v2.8

Roughly-speaking, present Present value is what you could sell the home and for as an asset. AERC is utility bills plus excess mortgage over the reference condition. They are apples and oranges.condition.