Energy credits

I went through the turbotax program and completed information on my new home.  Then in reviewing the form online, I'm not sure I can take the credit.  I bought a new townhouse, just built, that has tankless water heater and efficient Trane furnace.  I entered everything, but found a place on form that says if built in when you bought, you can't take credit.  But I specifically sought energy efficient new build...