Solaia boilers
11 boilers listed under Solaia.
| Model | AFUE | Costs to run |
|---|---|---|
| SL5125ES | 87.00 | Not published |
| SL4100ES | 87.00 | Not published |
| SL375ES | 87.00 | Not published |
| SF6175T | 87.00 | Not published |
| SF6175 | 87.00 | Not published |
| SF5150T | 87.00 | Not published |
| SF5150 | 87.00 | Not published |
| SF4125T | 87.00 | Not published |
| SF4125 | 87.00 | Not published |
| SF3100T | 87.00 | Not published |
| SF3100 | 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.