Don't send this last guy back to me. It was a hot day & he was uncomfortable working in my hot basement. Because you use bio-heat the furnace does not get dirty so while I watched him it was not necessary to vacuum the inside of the boiler. He never did the chimney or the pipe leading up to it. He did not use the meter to check the efficiency at the stack. He did wash the low water cut off glass but I did not see him use a wire to make sure that the float would not hang up due to rust nor dump water out of the bottom of furnace to get rid of built up rust. I am not sure He changed the nozzle or just cleaned the old one.& I am not sure he changed the tank filter. I did not have any odor of oil after he left. I was in & out of the basement so I was not with him all the time. I just hope that there are no problems this winter while I am away & need to call you for emergency repair. Usually you are excellent in your work which is why I have stayed with you all these years but not this time.
