Heating $/hr=(.154 x CFM x (dg) x T x C)/q
Available Btu (q) and Cost Per Unit Of Fuel (C)
Fuel Type | Unit Of Measure | Available Btu Per Unit - q | Average Cost Per Unit $ |
Coal | Lb | 6000 | 0.0522 |
Oil | Gal | 106500 | 2.52 |
Gas Heat Exchanger | Cu.Ft. | 800 | 0.01664 |
Gas Direct Fired | Cu.Ft. | 900 | 0.01664 |
Annual Heating Degree-Day Normals (dg)
Air Temp F | Albany | Boston | Chicago | Cleveland | Detroit | Minneapolis |
80 | 11782 | 10409 | 10613 | 11343 | 10959 | 13176 |
78 | 11062 | 9690 | 9940 | 10621 | 10256 | 12478 |
76 | 10356 | 8994 | 9283 | 9915 | 9581 | 11797 |
74 | 9669 | 8317 | 8656 | 9229 | 8920 | 11142 |
72 | 9007 | 7668 | 8046 | 8567 | 8291 | 10496 |
70 | 8364 | 7046 | 7468 | 7928 | 7678 | 9870 |
68 | 7750 | 6458 | 6905 | 7313 | 7100 | 9269 |
66 | 7162 | 5903 | 6373 | 6722 | 6543 | 8687 |
64 | 6607 | 5370 | 5875 | 6165 | 6020 | 8131 |
62 | 6081 | 4873 | 5399 | 5636 | 5533 | 7590 |
60 | 5586 | 4399 | 4936 | 5140 | 5054 | 7086 |
Air Temp F | | N.Y. | Philadelphia | Pittsburgh | St. Louis | Wash.,D.C. |
80 | | 9284 | 9652 | 10797 | 8943 | 8422 |
78 | | 8596 | 8954 | 10076 | 8310 | 7764 |
76 | | 7938 | 8285 | 9379 | 7702 | 7139 |
74 | | 7308 | 7641 | 8702 | 7121 | 6538 |
72 | | 6706 | 7028 | 8050 | 6560 | 5974 |
70 | | 6146 | 6438 | 7429 | 6023 | 5438 |
68 | | 5606 | 5886 | 6833 | 5523 | 4929 |
66 | | 5101 | 5360 | 6272 | 5053 | 4455 |
64 | | 4621 | 4864 | 5734 | 4595 | 4014 |
62 | | 4176 | 4397 | 5234 | 4168 | 3588 |
60 | | 3747 | 3952 | 4769 | 3761 | 3182 |