Big Changes in The HVAC Industry 2026

new refrigerant

In late 2023, the EPA released their final ruling for the Technology Transition Program spelled out in the AIM Act. This ruling will specify the new requirements for installing new HVAC equipment with Puron Advance™/R-454B and servicing existing systems with Puron®/R-410A in the field. A breakdown of the final ruling and how it applies to different product categories is listed below.

Epa rules new refrigerant

KEY UPDATES

SYSTEMS vs. PRODUCTS

In this final ruling, the EPA has divided the HVAC market into two categories – systems and products. The regulation requirements will differ for each of the two categories, as noted below.

 

 

 

 

 

 

 

 

 

 

 

 

 

FREQUENTLY ASKED QUESTIONS

What is the new refrigerant regulation introduced by the EPA in late 2023?

The EPA’s new regulation, as part of the AIM Act’s Technology Transition Program, specifies requirements for installing equipment with Puron Advance™/R-454B and servicing existing systems with Puron®/R-410A.

How does the EPA’s final ruling divide the HVAC market?

The EPA has categorized the HVAC market into two groups: systems and products, with different regulation requirements for each category.

What are the main changes for HVAC systems under the new EPA rules?

The regulations impose new guidelines for installing HVAC systems with the refrigerant Puron Advance™/R-454B and servicing existing systems using Puron®/R-410A, focusing on environmental safety and compliance.

Why are there different regulations for systems and products?

Different regulations exist because systems and products have distinct roles and regulatory needs, requiring tailored rules to ensure proper compliance and environmental impact.

Where can I find more detailed information about the EPA’s recent refrigerant regulation updates?

More detailed information is available through the official EPA website and industry resources discussing the specific requirements and implications of the new refrigerant regulations.

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George Service field manager
George Stahov is an HVAC engineer with over 12 years of experience in heating, cooling, and refrigeration. As the owner of Four Elements Service, he specializes in high-efficiency system design, diagnostics, and installation. Recognized with professional awards from Carrier and Mitsubishi, George provides trusted, expert insights for homeowners and businesses.