Worried to see the rackmount hardware close to the carpeted floor with a wall directly behind them. Potential for dust and airflow issues. I've had bits and pi

Worried to see the rackmount hardware close to the carpeted floor with a wall directly behind them. Potential for dust and airflow issues. I've had bits and pieces of a home setup over the years (currently just an HP microserver with disks and VMs) but lots of cost and noise for something I probably won't use a lot of.