The window (frame) surface is cold, but the air in the apartment is humid. Humid air condenses on a cold surface (when it drops below the dewpoint temperature).
So you can either make the window fram ... read more
Here's the scoop:
It all depends on your usage and how much room you have for panels, but we routinely knock out 100% of our clients' electricity bills.
However, the system will almost certainly be wh ... read more