— By Nelson Salas — Commercial vs. residential plumbing: A business owner’s guide to hiring the right professional. Nowadays, navigating the plumbing world has become increasingly easy. Referral sites such as Angie’s List, Craigslist, Offerup and Thumbtack create numerous opportunities to locate a plumber in your area. The issue isn’t finding a plumber more so than hiring the right plumber for the job. Here are a few things to consider to ensure you find the plumber that meets your commercial needs. Don’t Assume Every Plumber is Equal Residential plumbers …