HereĀ is a list of what "not to do" with kitchen remodeling....
http://freshome.com/2012/10/23/10-mistakes-you-dont-want-to-make-in-your-kitchen-design/
Here is actuall pictures in houzz you can see as ... read more
Verify that all window and door seals/weatherstriping is in good shape.
Check to be sure doors and windows are caulked properly (no gaps, cracks or missing).
If you have an attic access, treat it like ... read more