NAECA Regulation Information

The U.S. Department of Energy (DOE), as part of the National Appliance Energy Conservation Act (NAECA), issued Final Rule energy efficiency mandates in April 2010. This new update, effective April 16, 2015, will require higher Energy Factor (EF) ratings on almost all residential gas, electric, oil and tankless gas water heaters. While NAECA III only applies to U.S.-manufactured products, Canada will soon implement similar increases in efficiency standards. These far-reaching new requirements will have an important impact on manufacturers, wholesalers, installers and customers.

Regulation Standards

Standards apply to U.S. only.

Rheem is Ready to Help You Make the Transition

As a manufacturer and partner, Rheem has invested its nearly 90-year legacy of achieving higher standards in Performance, Installability™, and Serviceability (our 360º+1 Design Philosophy) into developing a complete portfolio of advanced products and resources to help you turn new national energy efficiency requirements into opportunities.

See below for the list of Rheem solutions already available to comply with the new regulations.

Available NAECA-Compliant Solutions from Rheem

Gas Tank-Type

Description Model Number Energy Factor (EF)
Professional Prestige™ High Efficiency Condensing Power Direct Vent (RHE) RHE40S 0.82
Professional Prestige™ High Efficiency Condensing Power Direct Vent (RHE) RHE50 0.82
Professional Classic Plus™ Induced Draft PRO+G29-60N RH70 ID 0.70
Professional Classic Plus™ Powered Damper PRO+G38-40N RH69 PD 0.69
Professional Classic Plus™ Powered Damper PRO+G50-40N RH67 PD 0.67
Professional Classic Plus™ Powered Damper PRO+G50-50N RH67 PD 0.67
Professional Classic Plus™ Powered Damper PRO+G40S-40N RH67 PD 0.67
Professional Classic Plus™ Powered Damper PRO+G50S-40N RH67 PD 0.67
Professional Classic Plus™ Heavy Duty Power Direct Vent PRO+G50-65N RH62 PDV 0.62
Professional Classic Plus™ Ultra Low NOx Powered Damper PRO+G40-36U RH68 0.68
Professional Classic Plus™ Ultra Low NOx Powered Damper PRO+G50-36U RH68 0.68
Professional Classic Plus™ Atmospheric PRO+G40-40N RH62 0.62
Professional Classic Plus™ Atmospheric PRO+G50-40N RH62 0.62
Professional Classic Plus™ Atmospheric PRO+G40S-40N RH62 0.62
Professional Classic™ Atmospheric PROG40-40N RH62 0.62
Professional Classic™ Atmospheric PROG50-40N RH62 0.62
Professional Classic™ Atmospheric PROG40S-40N RH62 0.62
Professional Classic™ Power Vent PROG40-40N RH67 PV 0.67
Professional Classic™ Power Vent PROG50-42N RH67 PV 0.67
Professional Classic™ Power Vent PROG40S-36N RH67 PV 0.67
Professional Classic™ Power Vent PROG50S-36N RH67 PV 0.67
Professional Classic™ Power Direct Vent PROG40-40N RH67 PDV 0.67
Professional Classic™ Power Direct Vent PROG50-40N RH67 PDV 0.67
Professional Classic™ Ultra Low NOx PROG40-38U RH62 0.62
Professional Classic™ Ultra Low NOx PROG50-36U RH62 0.62
Professional Classic™ Ultra Low NOx Power Vent PROG40-36U RH67 PV 0.67
Professional Classic™ Ultra Low NOx Power Vent PROG50-38U RH67 PV 0.67

Gas Tankless

Description Model Number Energy Factor (EF)
Prestige™ High Efficiency Condensing Tankless RTGH-95DVLN 0.94
Prestige™ High Efficiency Condensing Tankless RTGH-95XLN 0.94
Prestige™ High Efficiency Condensing Tankless RTGH-84DVLN 0.92
Prestige™ High Efficiency Condensing Tankless RTGH-84XLN 0.92
Mid-Efficiency Tankless RTG-95DVLN 0.82
Mid-Efficiency Tankless RTG-95XLN 0.82
Mid-Efficiency Tankless RTG-84DVLN 0.82
Mid-Efficiency Tankless RTG-84XLN 0.82
Mid-Efficiency Tankless RTG-64DVLN 0.82
Mid-Efficiency Tankless RTG-64XLN 0.82

Electric Tank-Type

Description Model Number Energy Factor (EF)
Professional Prestige™ Hybrid Heat Pump HB50RH 2.45
Professional Classic Plus™ High Efficiency PRO+E40 2 RH95 EC1 0.95
Professional Classic Plus™ High Efficiency PRO+E50 2 RH95 EC1 0.95

What Do These Changes Mean for Contractors?

Higher call volumes and higher sales
New technologies and installation requirements will lead to increasing consumer demand for contractor expertise.

Relationship-building opportunities with consumers
Homeowners will rely more heavily on contractors when choosing, installing, maintaining and using advanced water heaters.

New training
Rheem’s complete online and field training programs will educate contractors on advanced model technologies, features and installation procedures.

Increases in manpower and resources required for storage, transportation and installation
New technologies and larger units mean installations may require two installers, larger delivery trucks and additional installation equipment.

New considerations when choosing an installation location
This includes space requirements for larger-sized replacements and additional technologies (like condensing venting and disposal systems), and access to electrical for some new gas models.