You can make your home more conducive to Zen living by refocusing your environment on simplicity, cleanliness, and usefulness.
A special area for zazen can encourage practice.
What you do to your house isn't Zen. Experiencing the process of maintaining a house and being aware while in your house is Zen.
The ancient Chinese art of feng shui seeks to arrange an envrionment to optimize the flow of life-force energy.
The ancient Chinese art of Zen transcends environment, inhabitants, and energy channels with total awareness of the unity of all things.