![AHR Expo Showcases Tools That Connect to Cellphones](https://cole-plumbermag.imgix.net/https%3A%2F%2Fwww.plumbermag.com%2Fuploads%2Fimages%2Frp240.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=620&ixlib=php-1.1.0&q=75&w=1024&s=0b35ec4f0ec411a2a2e4aceb8f42abb8)
It seems like you can’t do anything without a cellphone these days. Everyone has a smartphone and the options for it are varied.
Technology to pair plumbing tools and equipment to cellphones is on full display this week at the International Air-Conditioning, Heating,...