I woke up and realized that my furnace was blowing cold air. After trouble shooting and realizing the problem would require a professional, I contacted Reliable. They had a service professional at my house within 2 hours. The service professional, Barry Newman, was courteous and professional and wasted no time getting to the furnace to diagnose the problem. Barry explained each step to me as he worked to identify the issue. He was very patient and willing to answer my questions as he worked. After 20 minutes or so the problem was fixed and I was better educated about how a furnace works. This was the second time I've used Reliable and they have been great on both occasions. Importantly, the price was very reasonable.