#### § 431.136 Energy conservation standards and their effective dates.

(a) All basic models of commercial ice makers must be tested for performance using the applicable DOE test procedure in [§ 431.134](/on/2024-09-17/title-10/section-431.134), be compliant with the applicable standards set forth in [paragraphs (b)](/on/2024-09-17/title-10/section-431.136#p-431.136(b)) through [(d)](/on/2024-09-17/title-10/section-431.136#p-431.136(d)) of this section, and be certified to the Department of Energy under [10 CFR part 429](/on/2024-09-17/title-10/part-429) of this chapter.

(b) Each cube type automatic commercial ice maker with capacities between 50 and 2,500 pounds per 24-hour period manufactured on or after January 1, 2010 and before January 28, 2018, shall meet the following standard levels:

| Equipment type | Type of cooling | Harvest rate lb ice/24 hours | Maximum energy use kWh/100 lb ice | Maximum condenser water use1 gal/100 lb ice |
| --- | --- | --- | --- | --- |
| Ice-Making Head | Water | <500 | 7.8-0.0055H2 | 200-0.022H. |
| Ice-Making Head | Water | ≥500 and <1,436 | 5.58-0.0011H | 200-0.022H. |
| Ice-Making Head | Water | ≥1,436 | 4.0 | 200-0.022H. |
| Ice-Making Head | Air | <450 | 10.26-0.0086H | Not Applicable. |
| Ice-Making Head | Air | ≥450 | 6.89-0.0011H | Not Applicable. |
| Remote Condensing (but not remote compressor) | Air | <1,000 | 8.85-0.0038H | Not Applicable. |
| Remote Condensing (but not remote compressor) | Air | ≥1,000 | 5.1 | Not Applicable. |
| Remote Condensing and Remote Compressor | Air | <934 | 8.85-0.0038H | Not Applicable. |
| Remote Condensing (but not remote compressor) | Air | ≥934 | 5.3 | Not Applicable. |
| Self-Contained | Water | <200 | 11.40-0.019H | 191-0.0315H. |
| Self-Contained | Water | ≥200 | 7.6 | 191-0.0315H. |
| Self-Contained | Air | <175 | 18.0-0.0469H | Not Applicable. |
| Self-Contained | Air | ≥175 | 9.8 | Not Applicable. |
| | | | | |
| --- | --- | --- | --- | --- |
| 1 Water use is for the condenser only and does not include potable water used to make ice. | | | | |
| 2 H = harvest rate in pounds per 24 hours, indicating the water or energy use for a given harvest rate. | | | | |
| Source: [42 U.S.C. 6313(d)](https://www.govinfo.gov/link/uscode/42/6313). | | | | |

(c) Each batch type automatic commercial ice maker with capacities between 50 and 4,000 pounds per 24-hour period manufactured on or after January 28, 2018, shall meet the following standard levels:

| Equipment type | Type of cooling | Harvest rate lb ice/24 hours | Maximum energy use kilowatt-hours (kWh)/100 lb ice1 | Maximum condenser water use gal/100 lb ice2 |
| --- | --- | --- | --- | --- |
| Ice-Making Head | Water | < 300 | 6.88-0.0055H | 200-0.022H. |
| Ice-Making Head | Water | ≥300 and <850 | 5.80-0.00191H | 200-0.022H. |
| Ice-Making Head | Water | ≥850 and <1,500 | 4.42-0.00028H | 200-0.022H. |
| Ice-Making Head | Water | ≥1,500 and <2,500 | 4.0 | 200-0.022H. |
| Ice-Making Head | Water | ≥2,500 and <4,000 | 4.0 | 145. |
| Ice-Making Head | Air | < 300 | 10-0.01233H | NA. |
| Ice-Making Head | Air | ≥ 300 and < 800 | 7.05-0.0025H | NA. |
| Ice-Making Head | Air | ≥ 800 and < 1,500 | 5.55-0.00063H | NA. |
| Ice-Making Head | Air | ≥ 1500 and < 4,000 | 4.61 | NA. |
| Remote Condensing (but not remote compressor) | Air | < 988 | 7.97-0.00342H | NA. |
| Remote Condensing (but not remote compressor) | Air | ≥ 988 and < 4,000 | 4.59 | NA. |
| Remote Condensing and Remote Compressor | Air | < 930 | 7.97-0.00342H | NA. |
| Remote Condensing and Remote Compressor | Air | ≥ 930 and < 4,000 | 4.79 | NA. |
| Self-Contained | Water | < 200 | 9.5-0.019H | 191-0.0315H. |
| Self-Contained | Water | ≥ 200 and < 2,500 | 5.7 | 191-0.0315H. |
| Self-Contained | Water | ≥ 2,500 and < 4,000 | 5.7 | 112. |
| Self-Contained | Air | < 110 | 14.79-0.0469H | NA. |
| Self-Contained | Air | ≥ 110 and < 200 | 12.42-0.02533H | NA. |
| Self-Contained | Air | ≥ 200 and < 4,000 | 7.35 | NA. |
| | | | | |
| --- | --- | --- | --- | --- |
| 1 H = harvest rate in pounds per 24 hours, indicating the water or energy use for a given harvest rate. Source: [42 U.S.C. 6313(d)](https://www.govinfo.gov/link/uscode/42/6313). | | | | |
| 2 Water use is for the condenser only and does not include potable water used to make ice. | | | | |

(d) Each continuous type automatic commercial ice maker with capacities between 50 and 4,000 pounds per 24-hour period manufactured on or after January 28, 2018, shall meet the following standard levels:

| Equipment type | Type of cooling | Harvest rate lb ice/24 hours | Maximum energy use kWh/100 lb ice1 | Maximum condenser water use gal/100 lb ice2 |
| --- | --- | --- | --- | --- |
| Ice-Making Head | Water | <801 | 6.48-0.00267H | 180-0.0198H. |
| Ice-Making Head | Water | ≥801 and <2,500 | 4.34 | 180-0.0198H. |
| Ice-Making Head | Water | ≥2,500 and <4,000 | 4.34 | 130.5. |
| Ice-Making Head | Air | <310 | 9.19-0.00629H | NA. |
| Ice-Making Head | Air | ≥310 and <820 | 8.23-0.0032H | NA. |
| Ice-Making Head | Air | ≥820 and <4,000 | 5.61 | NA. |
| Remote Condensing (but not remote compressor) | Air | <800 | 9.7-0.0058H | NA. |
| Remote Condensing (but not remote compressor) | Air | ≥800 and <4,000 | 5.06 | NA. |
| Remote Condensing and Remote Compressor | Air | <800 | 9.9-0.0058H | NA. |
| | | ≥800 and <4,000 | 5.26 | NA. |
| Self-Contained | Water | <900 | 7.6-0.00302H | 153-0.0252H. |
| Self-Contained | Water | ≥900 and <2,500 | 4.88 | 153-0.0252H. |
| Self-Contained | Water | ≥2,500 and <4,000 | 4.88 | 90. |
| Self-Contained | Air | <200 | 14.22-0.03H | NA. |
| Self-Contained | Air | ≥200 and <700 | 9.47-0.00624H | NA. |
| Self-Contained | Air | ≥700 and <4,000 | 5.1 | NA. |
| | | | | |
| --- | --- | --- | --- | --- |
| 1 H = harvest rate in pounds per 24 hours, indicating the water or energy use for a given harvest rate. Source: [42 U.S.C. 6313(d)](https://www.govinfo.gov/link/uscode/42/6313). | | | | |
| 2 Water use is for the condenser only and does not include potable water used to make ice. | | | | |

[[80 FR 4754](https://www.federalregister.gov/citation/80-FR-4754), Jan. 28, 2015]