COMSTAR PROUDLY INTRODUCES STATE-OF-THE-ART, ULTRA-LOW Global Warming Potential REFRIGERANTS TO REPLACE R410A, R134A, R404A AND R507 IN EXISTING SYSTEMS.

ComStar’s RS-53 (R470A) is the world’s only drop-in retrofit replacement for existing R410a systems. At 909, RS-53 has a GWP that is effectively 56% lower than R410a. Additionally, RS-51 (R470B) has a GWP of 717 which is 80% lower than R404a, R507 and half of R448A and R449A.

Both RS-53 (R470A) & RS-51 (R470B) are EPA SNAP approved and are A-1 ASHRAE certified as non-flammable and non-toxic.

By replacing R410a, R404a and R507 systems with RS-53 and RS-51, your company can efficiently meet state and federal government regulations, lower its carbon footprint and reduce Greenhouse Gas (GHG) emissions.

REPLACE: R404A, R507

RS-51 (R470B)

REPLACE: R410A

RS-53 (R470A)

REPLACE: R134A

RS-20 (R480A)

ComStar’s retrofit replacements are safer

ComStar’s RS-51, which can replace R404A and R507, and RS-53, which replaces R410A, are EPA SNAP-approved and A1 ASHRAE certified. That means they are not flammable or toxic!

AHR INTERVIEW VIDEOS

ComStar AHR Expo 2025 with Hill and Associates Sales Reps

ComStar AHR Expo 2025 with MASA/J.K Neuhauser Sales Co

ComStar AHR Expo 2024 with Engineering Equipment Sales Reps

ComStar AHR Expo 2024 with ISM South East Sales Reps

REFRIGERANT VIDEOS

RS-51 (R470B) Replacement Refrigerant for R404A

RS-53 (R470A) Replacement Refrigerant for R410a

RS 44b Drop-In Replacement Refrigerant for R22 Overview

ComStar Refrigerants

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