Looking for energy efficient exterior front door.?

Looking for door – not sure if steel or aluminum or wood would be best to keep cold out. any thoughts?

Wood pref solid Mahogany it doesn’t conduct the heat / cool . .

Andy Hurley

Technorati Tags: door, doors, ebay, exterior, Exterior Door, exterior front door colors, exterior front door designs, exterior front doors, exterior front doors for homes, exterior front doors with sidelights, french, solid, Source Article