U.S. Boiler Company boilers
30 boilers listed under U.S. Boiler Company.
| Model | AFUE | Costs to run |
|---|---|---|
| ASPN-110 | 96.00 | $24.20 per million BTU of heat |
| ASPN-085 | 96.00 | $24.20 per million BTU of heat |
| ASPN-270 | 95.00 | $24.45 per million BTU of heat |
| ASPN-205 | 95.00 | $24.45 per million BTU of heat |
| ASPN-155 | 95.00 | $24.45 per million BTU of heat |
| ALTAC-200 | 95.00 | $24.45 per million BTU of heat |
| ALTAC-136B | 95.00 | $24.45 per million BTU of heat |
| ALTA-180 | 95.00 | $24.45 per million BTU of heat |
| ALTA-150 | 95.00 | $24.45 per million BTU of heat |
| ALTA-120B | 95.00 | $24.45 per million BTU of heat |
| ALTA-080 | 95.00 | $24.45 per million BTU of heat |
| ALP285B | 95.00 | $24.45 per million BTU of heat |
| ALP210B | 95.00 | $24.45 per million BTU of heat |
| ALP150B | 95.00 | $24.45 per million BTU of heat |
| ALP105B | 95.00 | $24.45 per million BTU of heat |
| V8H7WES | 87.00 | Not published |
| V8H6WES | 87.00 | Not published |
| V8H5WES | 87.00 | Not published |
| V8H4WES | 87.00 | Not published |
| V8H3WES | 87.00 | Not published |
| MPO-IQ84B | 87.00 | Not published |
| MPO-IQ231B | 87.00 | Not published |
| MPO-IQ189B | 87.00 | Not published |
| MPO-IQ147B | 87.00 | Not published |
| MPO-IQ115B | 87.00 | Not published |
| EMP84E | 87.00 | Not published |
| EMP224E | 87.00 | Not published |
| EMP182E | 87.00 | Not published |
| EMP140E | 87.00 | Not published |
| EMP115E | 87.00 | Not published |
Computed from electricity at 18.34¢/kWh, the EIA average for US in June 2026 and gas at $24.09/Mcf for June 2026. A kilowatt-hour is 3412 BTU. Gas volume is converted to heat at 1.037 million BTU per thousand cubic feet, EIA's published average. This is a rate times a rating, not a prediction of your bill.
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Source: ENERGY STAR certified product data, published by the U.S. EPA and used with attribution. This is a register of certified models, not of every model on the market. ENERGY STAR is a registered mark of the U.S. EPA; this site is not affiliated with or endorsed by EPA or DOE.