Md. Code Regs. 14.26.03.05

Current through Register Vol. 51, No. 24, December 2, 2024

Section 14.26.03.05 - [Effective 1/1/2025] Minimum Efficiency Standards

A. On or after the date specified in Regulation .06 of this chapter, a person may not sell or install for profit a covered product that does not meet or exceed the corresponding minimum efficiency standards listed in this regulation.

B. Air purifiers shall comply with federal standards for air cleaners under 10 CFR Part 430, Subpart C.

C. Commercial dishwashers shall meet the applicable qualification criteria specified in the ENERGY STAR program requirements product specification for commercial dishwashers.

D. Commercial steam cookers shall meet the requirements specified in the ENERGY STAR program requirements product specification for commercial steam cookers.

E. Faucets shall meet the following standards when tested in accordance with 10 CFR Part 430, Subpart B, Appendix S, compliance with which shall be verified by using the uniform test method for measuring the water consumption of faucets and showerheads:

(1) Private lavatory faucets and replacement aerators may not exceed a maximum flow rate of 1.5 gallons per minute at 60 pounds per square inch;

(2) Residential kitchen faucets and replacement aerators may not exceed a maximum flow rate of 1.8 gallons per minute at 60 pounds per square inch, with optional temporary flow of 2.2 gallons per minute, provided the faucet defaults to a maximum flow rate of 1.8 gallons per minute at 60 pounds per square inch after each use; and

(3) Public lavatory faucets and replacement aerators may not exceed a maximum flow rate of 0.5 gallons per minute at 60 pounds per square inch.

F. Portable electric spas shall meet the requirements of the ANSI/APSP/ICC 14-2019.

G. Residential ventilating fans shall meet the following requirements when tested in accordance with the Home Ventilation Institute's airflow test procedure stated in Home Ventilation Institute Publication 916:

(1) In-line residential ventilating fans shall be equipped with a fan motor with an efficiency of at least 2.8 cubic feet per minute per watt; and

(2) Non-in-line residential ventilating fans shall be equipped with a fan motor with an efficiency of at least 1.4 cubic feet per minute per watt for airflows less than 90 cubic feet per minute and at least 2.8 cubic feet per minute per watt for airflows greater than or equal to 90 cubic feet per minute.

H. Showerheads may not exceed a maximum flow rate of 2.0 gallons per minute at 80 pounds per square inch when tested in accordance with 10 CFR Part 430, Subpart B, Appendix S, compliance with which shall be verified by using the uniform test method for measuring the water consumption of faucets and showerheads.

I. Spray sprinkler bodies that are not specifically excluded from the scope of the WaterSense specification for spray sprinkler bodies shall include an integral pressure regulator and meet the water efficiency, performance criteria, and other requirements specified in the WaterSense specification for spray sprinkler bodies.

J. Urinals shall have a maximum flush volume of 0.5 gallons per flush when tested in accordance with 10 CFR Part 430, Subpart B, Appendix T, compliance with which shall be verified by using the uniform test method for measuring the water consumption of water closets and urinals.

K. Water closets shall meet the following standards when tested in accordance with 10 CFR Part 430, Subpart B, Appendix T, compliance with which shall be verified by using the uniform test method for measuring the water consumption of water closets and urinals:

(1) Subject to §K(2) of this regulation, water closets shall have a maximum flush volume of 1.28 gallons per flush; and

(2) Dual-flush tank-type water closets shall have a maximum dual-flush effective volume of 1.28 gallons per flush.

L. Water coolers included in the scope of the ENERGY STAR program's water coolers specification shall have an on mode with no water draw energy consumption that is less than or equal to the following values as measured in accordance with the on mode with no water draw test mode specified in the water coolers specification:

(1) 0.16 kilowatt-hours per day for cold only units and cook and cold units;

(2) 0.87 kilowatt-hours per day for storage type hot and cold units; and

(3) 0.18 kilowatt-hours per day for on-demand hot and cold units.

Md. Code Regs. 14.26.03.05

Regulations .05 adopted effective June 19, 2006 (33:12 Md. R. 998); amended effective 51:22 Md. R. 957-1028, eff. 1/1/2025.