I found Bovio Rubino Service to be efficient and diligent. I had used a couple of other services before that were terrible. I used Bovio Rubino Service for the first time about four years ago, and they provided such good service that I haven't used anyone else since then. They have been able to keep my old HVAC unit running for four more years and just replaced it this year. The other companies wanted to replace it four years ago. My new one is working just fine. The guys are so conscientious; they worked through lunch to get everything back up and running as quickly as they could. I was very impressed with that.