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Federal Register / Vol. 86, No. 149 / Friday, August 6, 2021 / Proposed Rules values to determine which amended energy conservation standards apply to their basic models.
Further, DOE proposes to require reporting of standby power consumption in watts for smalldiameter ceiling fans. DOE notes that standby power consumption is already required to be measured in section 3.6
of appendix U and is an input into the calculation of ceiling fan efficiency in section 4 of appendix U. Therefore, DOE
determines that the reporting of standby power for these ceiling fans will not result in an increase in reporting burden for manufacturers.
b. Large-Diameter Ceiling Fan Requirements The LDCF product class is identified based on blade span in only. In addition, consistent with the Energy Act of 2020, LDCFs must now meet two separate standards based on the CFEI
metric, with one standard based on operation of the fan at high speed and a second standard based on operation of the fan at 40 percent speed or the nearest speed that is not less than 40
percent speed. See 42 U.S.C.
6295ff6CiII, as codified Accordingly, DOE proposes to amend the reporting requirements for LDCFs to require reporting blade span in inches, CFEI for high speed, and CFEI for 40
percent speed or the nearest speed that is not less than 40 percent speed.

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c. Rounding Requirements DOE proposes amendments to 10 CFR
429.32 to specify that represented values are to be determined consistent with the test procedures in appendix U
and to specify rounding requirements for represented values. DOE proposes that manufacturers round any represented value of ceiling fan efficiency for small diameter ceiling fans, expressed in CFM/W, to the nearest whole number. Additionally, for large diameter fans, DOE proposes to specify that any represented value of CFEI must be rounded to the nearest hundredth of a CFEI.
DOE seeks comment on the proposed updated reporting requirements for small-diameter ceiling fans and LDCFs.
3. Reporting Costs and Impacts In this NOPR, DOE proposes to align ceiling fan certification reporting requirements with the energy conservation standard requirements applicable to ceiling fans manufactured on and after January 21, 2020, and with the May 2021 Technical Amendment.
For all ceiling fans, manufacturers currently report two fields i.e., the number of speeds within the ceiling fan
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controls and a declaration that the manufacturer has incorporated the applicable design requirements. 10 CFR
429.32b2. For small-diameter ceiling fans, manufacturers would be required to additionally report five to eight fields i.e., blade span, CFM/W, standby power, a declaration whether the fan is a multi-head ceiling fan, blade edge thickness, CFM and RPM at high speed, and the represented distance between the ceiling and the lowest point on the fan blades, if the proposed amendments are adopted. For large-diameter ceiling fans, manufacturers would be required to additionally report three fields i.e., blade span, CFEI for high speed and 40
percent speed or the nearest speed that is not less than 40 percent speed, if the proposed amendments are adopted.
DOE has tentatively determined that these proposed amendments would not impose additional costs for manufacturers because manufacturers of ceiling fans are already submitting certification reports to DOE and should have readily available the information that DOE is proposing to collect as part of this rulemaking. Any added fields are reflective of the product-specific information needed to verify whether the information provided is consistent with the certifiers statement of compliance with the energy conservation standard requirements applicable to ceiling fans manufactured on and after January 21, 2020, established in January 2017 CF ECS
final rule and the Energy Act of 2020.
DOE does not believe the revised reporting requirements will cause any measurable change in reporting burden or hours as compared to the current requirements for ceiling fan manufacturers. DOE seeks comment on the certification and reporting costs of the amendments proposed for ceiling fans.
D. Consumer Furnaces and Boilers 1. Scope of Applicability EPCA defines the term furnace to mean a product which utilizes only single-phase electric current, or singlephase electric current or DC current in conjunction with natural gas, propane, or home heating oil, and which: 1 Is designed to be the principal heating source for the living space of a residence; 2 is not contained within the same cabinet with a central air conditioner whose rated cooling capacity is above 65,000 Btu per hour;
3 is an electric central furnace, electric boiler, forced-air central furnace, gravity central furnace, or low pressure steam or hot water boiler; and 4 has a heat input rate of less than 300,000 Btu per
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hour for electric boilers and low pressure steam or hot water boilers and less than 225,000 Btu per hour for forced-air central furnaces, gravity central furnaces, and electric central furnaces. 42 U.S.C. 629123 DOE has codified this definition at 10 CFR 430.2, where it also defines electric central furnace, electric boiler, forced-air central furnace, gravity central furnace, and low pressure steam or hot water boiler.
The changes proposed in this section apply to non-weatherized oil-fired furnaces, electric furnaces, and consumer boilers meeting the definitions in 10 CFR 430.2.
2. Reporting Consumer furnace and boiler manufacturers currently must provide the AFUE in percent and the input capacity in British thermal units per hour Btu/h in their certification report. In addition, for cast-iron sectional boilers, manufacturers must include the type of ignition system for gas-fired steam and hot water boilers and a declaration of whether certification is based on linear interpolation or testing. For hot water boilers, manufacturers must also include a declaration that the manufacturer has incorporated the applicable design requirements. For multi-position furnaces, the AFUE
reported for each basic model must be based on testing in the least-efficient configuration, but manufacturers can optionally report and make representations of additional AFUE
values based on testing in other configurations. 10 CFR 429.18b. DOE
proposes to modify some of these requirements and add new requirements to better align with the existing standards and aid in determining which energy conservation standards apply to a given basic model for non-weatherized oil-fired consumer furnaces including mobile home furnaces, electric consumer furnaces, and consumer boilers. The specific changes are discussed in more detail in the following sections.
a. Standby Mode and Off Mode Energy Consumption DOEs current standby mode and off mode energy consumption standards for non-weatherized oil-fired furnaces including mobile home furnaces, electric furnaces, and consumer boilers are in terms of PW,SB and PW,OFF watts.
10 CFR 430.32e1iii and e2iiiB.
However, the reporting requirements for consumer furnaces and boilers at 10
CFR 429.18 do not include a requirement to certify the standby mode
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