A1 came out and installed a brand new boiler system for us in our home. After coming out to look at our old system, give us options on a new system and give us an estimate they were able to get out to us quickly to start the install of the new system. They were fast and efficient, explained the system and how it worked. We had some questions following the install and a technician came out and ran through the system with us an double checked a few items that we had questions about. A short time later we had a few more questions (boiler system newbies here, we’re used to forced air/heat) and the owner Brad came out to make sure we were fully understanding our new system. During the time Brad was here he and the other technician, Nick, detected a gas leak in our basement and discovered that our gas line had a hole in it!!!!! The hole in the gas line was right at the point where the gas line went through the foundation of the house to the outside of the house so was an noticeable at first glance. They were able to detect and find the gas leak and they were out there very first thing the next morning to replace that section of the line. There was, of course, a cost for them to do this but the cost was very reasonable and we were happy to pay for the repair and thankful that they had taken the time to investigate and find the problem. Nick, the technician, was insistent that something was not right and basically refused to leave until he found the problem. Had he not been so insistent the outcome could have detrimental!!! We have had nothing but great experiences with A1, their technicians, their staff and even their owners! We have had multiple equipment installs/repairs done by them, ranging from plumbing to electrical to cooling systems to our heating system. They have been remarkable, EVERY TIME! Highly recommended!