I have been using Hartz Heating & Cooling Inc ever since they started their business. Not only do I have them service my home, but they are also always doing some kind of commercial work for me on different properties. This last time they came out everything turned out fine, as usual. They are always very prompt and very courteous. They are respectful when they come out to do their job whether it is at my home or my apartments. It has been an excellent overall experience, and I recommend them to others all the time. If you are looking for someone to do a professional job in a timely manner regarding a heating or cooling issue, I definitely recommend you give the folks at Hartz Heating & Cooling Inc a call!