My fiance and I have an aged gas oil furnace in our house, but it works undoubtedly well. One of the best things about the oil furnace is the fact that I am official with the machine. I have had the opportunity to fix the gas oil furnace on more than 1 option in the past. The last time my fiance and I had an issue with a gas oil furnace, I felt certain that I could fix it without the help of a professional. I looked up the answers online and I found a problemshooting guide to help with the repair. Unfortunately, the first maintenance did not fix the concern and I had to try again. I spent a whole weekend trying to fix the concern with the oil furnace and my fiance wanted myself and others to supply up so she could call the maintenance service. I felt certain that I could fix the concern if I just had a couple of mornings to work on the oil furnace. It was cold outside, but I put a space furnace in the home office so my fiance would not complain at night. It took a couple of mornings to find and fix the concern with the oil furnace, but I did eventually find a way to get heat in the house. I think my fiance would have been glad if I would have contacted a maintenance service, but I do not like to waste money if the device can be worked on at home. I assume too multiple people supply up these mornings instead of trying to learn about the appliance and how it runs.