My furnace wasn't working at all, and Sandy walked me through basic troubleshooting over the phone. It was a very simple matter and she saved my day. Excellent customer service.
I have had great service from Lakehead Burner Service Ltd. When our furnace needed repair, the co-owner checked to see if some of the parts were covered under warranty. Because we are the original owners of the house with our Lennox Furnace, several parts were covered under warranty. They also fixed the motor when our air conditioner wasn't working and our pool heater. I would recommend this company.