Well, I finally did it, the CB Classic Edge 550 HD has been providing heat to my house since around 9:00am this morning. This beast is so different than the E-Classic 1400 that it'll take a bit to learn how to operate it. I'll keep everyone updated regarding operation, pro or con. It is so nice to be able to turn up the thermostat to 70 degrees and not hear the oil burner turning on. This past spring I had a professional contractor spray foam (closed cell) all of the walls in my basement, I got tired of providing heat to the outdoors. With only the oil burner running at times the temp in my basement never got colder than 70. Now that I've fired up the OWB and the pipes coming in from the OWB not being insulated and temperature of the water coming into the house at 180, the basement is a nice cozy 77 degrees. I've spent all of my 57 years living in this old house and it's never been that warm in the basement. I'm thinking of installing some floor grates so that the upstairs area can benefit from all this warmth especially when the temps will dip below zero this winter, perhaps it'll be bit more comfortable while watching TV. Roger