Aug 08, 2026 — Digital Edition
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New Split System AC and Heat Pump Efficiency Standards 2023

2023 HVAC Efficiency Standards

New Split System AC and Heat Pump Efficiency Standards 2023
New Split System AC and Heat Pump Efficiency Standards 2023

Split-system heat pumps , single packaged air conditioners and single packaged heat pumps manufactured before Jan 1, 2023 may be installed indefinitely. New HVAC efficiency rating changes will also go into effect.

Daikin MXS Series Outdoor Multi Split Heat Pump
Daikin MXS Series Outdoor Multi Split Heat Pump

For example, a 14 SEER split-system heat pump built before January 1, 2023 , can still be sold and installed in the US, as long as the product was compliant with existing standards on the date of its manufacture. The manufacturer is solely responsible for ensuring compliance with heat pump and specialty AC efficiency regulations.

Understanding the New HVAC Energy Efficiency Standards

YITAHOME 18000 BTU Mini Split Air Conditioner Heat Pump System Wifi
YITAHOME 18000 BTU Mini Split Air Conditioner Heat Pump System Wifi

2015 vs. 2023 Residential Minimum Standards Sour ce: Johnson Controls What's Changed? Previously, air conditioning ( AC ) and heat pump systems were rated in SEER (Seasonal Energy Efficiency Ratio) or EER (Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor).

Understanding the New 2023 Energy Efficiency Standards for Air Conditioners and Heat Pumps As part of the Department of Energy's (DOE) ongoing initiative to reduce overall energy consumption in the United States (US), new federal minimum energy efficiency standards for residential air conditioners and heat pumps are now in effect. The new Appendix M1 test increases the external static ...

2 5 Ton Heat Pump Systems
2 5 Ton Heat Pump Systems

DOE SEER2EER2 Efficiency Requirements

The U.S. Department of Energy (DOE) enacted new energy efficiency requirements for residential and commercial air conditioners and heat pumps that went into effect on January 1, 2023 . These new regulations affect code compliance for mechanical equipment regardless of the state or local code edition that has been adopted because federal appliance standards preempt state and local construction ...

What Is DOE 2023 ? Effective January 1, 2023 , the United States Department of Energy (DOE) is increasing the minimum efficiencies for central air conditioners and heat pumps . These new regulations are part of the DOE's efforts to reduce overall energy consumption. The bottom line?

Mini Split Heat Pump Explained Heat Pumps
Mini Split Heat Pump Explained Heat Pumps

PDF Evcon 2023 DOE Regulations Summary Sheet

The U.S. Department of Energy (DOE) has mandated new minimum cooling energy efficiency requirements for newly manufactured residential and commercial air conditioners and heat pumps , which will take effect on January 1, 2023 , as follows:

The Department of Energy's (DOE) new minimum efficiency requirements will begin on January 1, 2023 . The changes affect all newly manufactured residential and manufactured housing air conditioners and heat pumps . There are new , more stringent testing procedures to determine the SEER rating of units.

4 Ton Tuttokool 14 3 SEER2 R 454B Single Stage Air Conditioner Split System
4 Ton Tuttokool 14 3 SEER2 R 454B Single Stage Air Conditioner Split System

2023 Efficiency Requirements for Air Conditioning Systems

New regulations from the DOE go into effect on January 1, 2023 , that address efficiency requirements and new test procedures for air conditioning systems .

36000 BTU Central Air Conditioner Heat Pump System SENDC 36HF
36000 BTU Central Air Conditioner Heat Pump System SENDC 36HF
24000 BTU Ductless Air Conditioner Mini Split AC Heating
24000 BTU Ductless Air Conditioner Mini Split AC Heating
Efficient Heating Industrial Heat Pumps in Focus
Efficient Heating Industrial Heat Pumps in Focus
Senville 5 Ton Central Air Conditioner Heat Pump Split
Senville 5 Ton Central Air Conditioner Heat Pump Split

Virtually all air conditioners and heat pumps installed anytime from 2010 and onward use R-410A refrigerant. Under the new rules, all new air conditioners and heat pumps installed after January 1, 2023 , must now use a refrigerant other than R-410A.