Greetiings everyone. I'm new here, and this is my first post. My wife and I have just installed a Newmac BC160 combination oil/wood boiler in our new construction home. I wish that I had found this site before getting myself in so deep. We have approximately 2800 sq ft including our heated garage. I am hoping to tell you all about my experience, and hopefully get some advice/tips from people with more experience. I'll start by saying that I got the idea of using a combo boiler with our baseboard hot water heat and indirect DHW because of the rising cost of oil, and the fact that we have acess to many acres of woods for cord wood. I initially purchased the boiler, 35 feet of Selkirk metalbestos 8" chimmney, and most of the hardware to install it for about $16,000. I then had to pay a plumber $5,500 to install it including the hot water heater (56 gallon Weil Mclean gold) and the garage heat (18,000 btu sterling heater). My electrician robbed me of $1,700 to wire the boiler. All of this and a few other expenses have me totaling about $24,000 for this system. I can't help but feel that I've made a mistake. Now, I have been using wood to heat the home (we haven't moved in yet). I am finding that this thing uses a LOT of wood. We have used about 3/4 cord in a month. When run on oil, it is burning 1 gph. this is a huge oil hog in my opinion. My biggest problem is creosote. I am using wood that is about a year seasoned. I have found that if I load up the stove, it will burn at about 425 degrees (magnetic flu thermometer between the boiler and flue) for about 10 minutes, and then it reaches temp (170 deg.) and shuts down the draft fan. This causes the fire to smolder until the system temp drops to about 155 degrees. The smoke is causing a huge creosote problem. The inside of the firebox is coated in a glassy glaze of creosote. I tried cleaning the heat transfer tubes with the supplied brush, but the creosote is too thick. is there a way to clean this stuff? Also, can anyone give me any ideas on how to make this system run more efficiently? Is there a way to get it to burn hotter and burn off some of the creosote? I have tried smaller hotter fires, but man, that stuff just won't burn off. Thanks for any help.