At Haller, our vision is to redefine the contractor-customer relationship. One way we are doing that is through XOi - a new technology that allows the technician on site to record photos and videos of the work being performed that they can share with the customer. This is especially useful if you are not home [...]The post XOi appeared first on Haller Enterprises in PA - HVAC, Plumbing, Electrical, Water Conditioning, AV Automation.