This was our first service call with the company and we will certainly continue to use their services. Tech Sam was diligent, helpful, and clear about the current and future needs of our AC and furnace. The previous home owners hadn't cleaned the AC Trane unit in over 5 years and Sam went through the cleaning process twice to get every last piece of muck off our unit. The unit was so filthy, it took him an extra hour and a half which he did with no extra charge to us. They also keep excellent photo records of your unit to help with future servicing. Thank you so much!