The York Diamond 80 started sounding a little rough about a weeek before Thanksgiving. Then on Wed before Thanksgiving, it sounded so loud it was like a space ship taking off. It was warm out and we just turned it way down and thought we would take care of it after the holiday. First, I cleaned the filters and looked for forgeign objects in/around the blower assembly. Then, I did a search on this site and discussed some of the ideas with my DH. He thought that the bearing had gone on our 10yr old blower so I got online with Grainger and found a new one. (Along with a new cap -- just for good measure). DH installed it yesterday and I am sorry to day it did not help our problem. Furnace seems to do all of the right things. Glow plug comes on. Then burners light. About 30 seconds later the blower comes on. DH says that it is moving freely and that there is about 1 in all round the motor to the fan assembly. It is just really loud. It is turning cold on Friday -- so we are hoping to have a solution by then. Thanks so much. :)

I seem to be the only one in my neighborhood who's roof does not frost up during these colder mornings (around 30 degrees). Is no frost on the roof good or bad? To me, reason dictates I am letting more heat dissipate through the roof then heating my house. However, I recently had a new roof installed. This includes a plywood 4x8 sheeting (sheething?) and composite roof material. Because of the additional sheething (was not there before), the roofer suggested he add more ventilation holes for summer heat escape. HOUSE - Built 1990 (Single Story - tall ceilings) Northern California (Sacramento area) Blown-in insulation on easy access areas. Laid in insulation in hard to reach areas. Temperatures around 30 at night lately. Heater turns on about once an hour at 69 degree settings.