Code of Federal Regulations > Title 16 > Chapter I > Part 305 > Appendix Appendix D2 - Appendix D2 to Part 305—Water Heaters

Regulations last checked for updates: Feb 22, 2025

Title 16 - Commercial Practices last revised: Feb 14, 2025

Appendix Appendix D2 - Appendix D2 to Part 305—Water Heaters—Electric

Range Information

Capacity	Range of estimated annual energy costs (dollars/year)
First hour rating	Low	High
“Very Small”—less than 18	(*)	(*)
“Low”—18 to 50.9	90	357
“Medium”—51 to 74.9	121	494
“High”—75 and over	173	747

(*) No data.

[88 FR 1136, Jan. 9, 2023]

authority: 42 U.S.C. 6294.

source: 52 FR 46894, Dec. 10, 1987, unless otherwise noted.