"If I could rate this company 100 stars I would. From my first encounter over the phone to the final encounter, I could have not asked for a better experience. We purchased a mobile home in Delaware (we live in PA). When we bought the home, the AC wasn't working. We called Hillside, they came out within 20 mins. Joe diagnosed the problem, ordered the part and installed it the very next day. He was friendly, informative beyond words, and professional. So appreciated on 90-degree days. This company is truly customer-friendly! Will be using them for my oil needs in winter as well. So nice to deal with a "family-friendly" company. Well done Hillside!!!"