---
title: "R-454B Performance vs. R-410A: Capacity & COP (WEBINAR CLIP) | Super Radiator Coils"
description: R-454B's COP offers a modest improvement over R-410A, but are there capacities the same? Watch this clip from our recent webinar to learn more.
---

[The Super Blog ](https://www.superradiatorcoils.com/blog)

# [R-454B Performance vs. R-410A: Capacity & COP (WEBINAR CLIP) | Super Radiator Coils](https://www.superradiatorcoils.com/blog/r-454b-performance-vs.-r-410a-capacity-cop)

 Written by [Super Radiator Coils](https://www.superradiatorcoils.com/blog/author/super-radiator-coils) | Jun 12, 2024 7:42:54 PM

Capacity and coefficient of performance (COP) are both used to measure [HVAC](https://www.superradiatorcoils.com/industries/hvac) equipment's effectiveness, but they tell different stories. Capacity, measured in tonnage or Btu./hr., refers to a unit's ability to heat or cool a space. COP measures efficiency - the relationship between a system's performance and the cost of the electricity needed to power it. To many - especially those in the commercial HVAC market - COP is the more consequential metric due to its direct impact on the operating costs for unit manufacturers' customers.

But for OEMs that have opted for R-454B as their replacement for R-410A units, there are some interesting performance implications associated with making that switch. Specifically, R-454B typically offers better COP, but based on our recent performance testing, there are scenarios in which its capacity is less than R-410A. Watch this clip from our recent webinar, ["R-454B & Blended Refrigerants: Properties, Performance Modeling, & Coil Design Considerations,"](https://www.youtube.com/watch?v=CN-9DBczbqk) to hear what [Dr. Jian Yu](https://www.superradiatorcoils.com/research-and-development/dr.-jian-yu), SRC's VP of Research and Development has to say about the importance of considering both COP and capacity when designing heat exchangers and the impact that changes in each value can have when making a refrigerant change.

 

 

*Don’t get left out in the cold when it comes to heat transfer information and news. To stay up to date on a variety of topics on the subject, [subscribe to The Super Blog](https://www.superradiatorcoils.com/blog-subscribe), [Super Radiator's News Feed](https://share.hsforms.com/1WZnGR71OT4aIINSBs6alXA3yp2y?__hstc=190810484.a20b270e5e359e7af92be4f831adc818.1712840459032.1718212338775.1718214554072.85&__hssc=190810484.3.1718214554072&__hsfp=3523199817), our technical blog, [Doctor's Orders](https://www.superradiatorcoils.com/blog-subscribe-doctors-orders), and follow us on [LinkedIn,](https://www.linkedin.com/company/super-radiator-coils/?viewAsMember=true) [Twitter,](https://twitter.com/SuperRadiator) and [YouTube.](https://www.youtube.com/user/SuperRadiatorCoils)*

[View full post](https://www.superradiatorcoils.com/blog/r-454b-performance-vs.-r-410a-capacity-cop)

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