PurePro boilers
15 boilers listed under PurePro.
| Model | AFUE | Costs to run |
|---|---|---|
| AOT-4-120E | 87.00 | Not published |
| AOT-3-075E | 87.00 | Not published |
| AO-4-120E | 87.00 | Not published |
| AO-3-075E | 87.00 | Not published |
| P5ES | 87.00 | Not published |
| P4ES | 87.00 | Not published |
| P3ES | 87.00 | Not published |
| M6T | 87.00 | Not published |
| M6 | 87.00 | Not published |
| M5T | 87.00 | Not published |
| M5 | 87.00 | Not published |
| M4T | 87.00 | Not published |
| M4 | 87.00 | Not published |
| M3T | 87.00 | Not published |
| M3 | 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.