New EPA regulations have led to widespread discontinuations and confusing model changes. This guide breaks down what happened, what’s compatible, and how to choose the right replacement without costly mistakes.

If you’ve been searching for a specific RV air conditioner or component and keep coming up empty, you’re not alone. Many previously available units have been discontinued or replaced as manufacturers transition away from R410A refrigerant in response to new EPA regulations. The challenge is that replacement options are not always one-to-one, and compatibility between new and existing components can quickly become confusing. This guide is designed to simplify that process, helping you understand what changed, what to look for, and how to confidently choose the right replacement for your RV without running into costly issues later.

Recent EPA regulations have led to a major shift in how RV air conditioners are manufactured. Older systems relied on R410A refrigerant, which as of January 2026, is banned from being sold in the United States. Now, many manufacturers are moving to more efficient options like R32. This change is part of a broader effort to reduce environmental impact and improve energy efficiency across the HVAC industry.

As manufacturers transition to R32 and other updated technologies, many existing R410A-based models have been discontinued. In some cases, the units themselves have been redesigned. In others, only the model numbers have changed to reflect updated components, performance improvements, or compliance with new safety standards. This is why you may no longer be able to find the exact product you were originally searching for, even if a similar or improved version still exists.

The result is a mix of old and new systems on the market, which can make compatibility confusing. Not all components are interchangeable, and assuming a unit is a direct replacement can lead to issues with installation, performance, or system operation.

If you’d like a deeper explanation of these two refrigerants and the switch from R410A to R32, you can read our previous blog post here: R32 vs R410A: What RV Owners Should Know

When replacing a Furrion air conditioner, the most important factor is compatibility between your rooftop unit, controller, and thermostat. With the shift from R410A to R32 systems, not all components work together the same way.

Here's the easiest way to think about it: 

R410A systems are NOT compatible with R32 units

R32 components CAN work with R410A systems, but only when paired correctly

The key rule: Your controller and thermostat must always match each other, and the refrigerant system you're using.

What this means in real world terms: 

If you are replacing an R410A rooftop unit with another R410A unit: 

You can typically keep your existing controller and thermostat (though it is always a good idea to double check compatibility with the replacement model)

If you are upgrading from an R410A unit to an R32 unit: 

You must also replace both the controller and thermostat with R32-rated versions. If upgrading to a Chill Cube, the ceiling assembly/ADB must also be replaced

If you only replace one component: 

Thermostats and controllers must be replaced together

Mixing versions will prevent the system from working properly

Here are a few examples of discontinued models and the manufacturer's recommended replacement: 

Assuming All Units and Components Are Interchangeable

Not all rooftop units are designed to work with the same components. Differences in refrigerant type, control systems, and design can prevent units from functioning properly if mismatched.

»Instead: It's always a good idea to double check compatibility between components before purchasing a replacement. 

Mixing R410A and R32 Components

This is one of the most common and costly mistakes. R410A control components are not compatible with R32 rooftop units, and mixing system types will result in improper operation or complete system failure.

»Instead: Keep all components within the same system type. As mentioned before, some R32 components may work within an R410A system. If you believe this is the case, always double check, or you can reach out to us through our contact page for guidance!

Upgrading Only One Control Component

Upgrading just the controller or just the thermostat without the other will prevent the system from working correctly.

»Instead: The thermostat and controller must always match. If one is upgraded, the other must be upgraded as well. 

Assuming a New Model Is a Direct Replacement

Even if a unit looks similar or shares a name, updated models may require different supporting components due to changes in refrigerant or system design.

»Instead: Check the manufacturer's recommendations for replacement models and verify compatibility with any additional components (or you can send us an email and let us do the work for you!). 

Skipping Compatibility Checks

Guessing or assuming compatibility often leads to delays, extra costs, and unnecessary returns.

»Instead: Take a few minutes to confirm compatibility before placing an order. You can simply use this guide, check compatibility documentation, or reach out to us!

The transition away from R410A has created a lot of uncertainty, but the good news is that reliable replacement options are available once you understand how the pieces fit together. Most issues come down to compatibility, not availability. The right solution is usually out there, it just may not look exactly like the unit you originally searched for.

By focusing on system compatibility and understanding how newer R32 components work with your setup, you can avoid common pitfalls and choose a replacement that performs the way you expect. Taking a few extra minutes to verify your configuration now can save significant time and expense down the line.

We hope this guide has helped clarify the changes and made the replacement process easier to navigate. If you have any additional questions or would like help confirming compatibility for your specific setup, please don’t hesitate to reach out. Our team is always happy to assist.