Dust Doctor came to my home in scarborough to install a furnace in my home. Recently I called Dircet Energy to have them give me a quote on replacing my water heater. Direct Energy informed me that the company who install the furnace insulated the chimney with the incorrect size, the size was so small and this would eventually allow carbon dioxide to enter the home. Previous to this (not knowing what was happening) my cardon detector came on twice. The fire department advised to chage detectors., which we did. I have tried five times a week... read full review »