Kevin came to my home this afternoon to tune up my furnace and put in a new Hepa filter. Kevin's office notified me that he was on his way. This was most appreciated as I do have an elderly dog that needs frequent walks. Kevin brought booties to go over his work boots and wore a mask throughout the service call. He worked quickly and very efficiently. Kevin was very professional and courteous. I highly recommend Limcan Certified Service for heating and cooling. Limcan also provides plumbing but I haven't needed that service since Limcan started the plumbing service. I know that Limcan will provide superior plumbing however as everything they do is excellent.