---
title: "What Is R-410A Refrigerant? | Calibre Glossary"
description: "R-410A is a hydrofluorocarbon refrigerant blend widely used in air conditioning and heat pump equipment, now being restricted in new equipment under EPA."
url: https://calibre.multisites.ai/glossary/r-410a-refrigerant
publisher: Calibre Commercial Inspections
phone: "+1-208-305-6245"
email: Schedule@CalibreCBI.com
---

Building systems

# R-410A Refrigerant

R-410A is a hydrofluorocarbon refrigerant blend widely used in air conditioning and heat pump equipment, now being restricted in new equipment under EPA rules that limit high global warming potential refrigerants.

## Why it matters

EPA rules restrict the manufacture and import of new residential and light commercial air conditioning products that use R-410A starting January 1, 2025. Existing systems can continue to be serviced. Owners should expect higher parts and refrigerant costs and plan for replacement with lower-GWP equipment.

Source: [epa.gov](https://www.epa.gov/hfcs/frequent-questions-phasedown-hydrofluorocarbons)

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