SSI from the very beginning coming into our home was very professional, and extremely knowledgeable in every aspect of the job. Our tech Reid knew all the ins and outs of the Eternal tankless hot water heater that was to be installed. He assisted us in getting the proper gas flow to our house to handle the new heater and our current furnace. Once installed he followed through to make sure the new unit passed inspection. Reid and the SSI team did a wonderful job and we are enjoying endless hot water with our Eternal.