May God bless you and your...
We lived in CT and had a big old beer-can shaped coal furnace converted to burn oil. I modified it with firebrick and a smaller oil burner nozzle based on Duke's advice. Our oil consumption dropped a lot and we saved a bunch of money. Our original advice from Consumers Report was wrong and turned our furnace into a sooty smoke generator. Duke's advice worked. I worked in the marine industry and it was a pleasure to talk to a real person who wanted to help. He knew stuff that younger...
Juan Greenman
March 18, 2023


