hcarlow wrote:I used 2 more bags this Nov. (28) as compared to Nov. last year (26) . Yet the heating degree days were less for Nov. this year then last , 840 compared to 850 . Could be several factors , wind , new batch of coal etc. . I do seem to have a little more fly ash this year . I started this season like the last with a clean boiler and all the settings the same .