HaaRHaaR stands for Hardware as a Rental. combines attributes of Hardware as a ServiceHardware-as-a-service (HaaS) is a procurement model that is and equipment financing. HaaRHaaR stands for Hardware as a Rental. gives your customerAn account that has at least one active lease or at least a one-invoice solution for all hardware, software, installation, and recurring service charges. It keeps you from investing your own cash and the risks associated with traditional Hardware as a ServiceHardware-as-a-service (HaaS) is a procurement model that is. HaaRHaaR stands for Hardware as a Rental. is better for you and better for your clients. This article from GreatAmerica Financial Services does a great job of comparing it to a lease.