R452A – Energy-Efficient Refrigerant for Commercial Refrigeration & HVAC

Discover R452A, a modern refrigerant blend engineered to deliver superior energy efficiency and reduced environmental impact. Ideal for commercial refrigeration and HVAC systems, R452A provides performance close to R404A while significantly lowering GWP and improving COP (Coefficient of Performance).

R1234ZE-HVAC-GAS-EU eco-friendly refrigerant

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Product Specification

Key Features & Specifications

Blend Composition & Global Warming Potential (GWP)

R452A is a carefully engineered HFO/HFC blend comprising R-32, R-125, R-1234yf, and R-134a. The resulting mixture achieves a GWP of approximately 2,140, about 45 % lower than R404A (GWP 3,922). It also carries zero Ozone Depletion Potential (ODP), in full compliance with Montreal Protocol and F-Gas regulations.

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Improved Energy Efficiency

R452A typically delivers up to 10 % higher COP compared to R404A in similar systems, reducing operating costs.

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Lower Global Warming Potential

With a GWP of ~2,140, it cuts greenhouse-gas impact by nearly half relative to R404A, advancing sustainability goals.

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Zero Ozone Depletion Potential

Fully ODP-free and compliant with all major environmental protocols, future-proofing installations.

R452A Enhanced Energy Efficiency for Commercial Refrigeration

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Enhanced Capacity Retention

Maintains > 95 % of R404A’s cooling capacity across typical evaporating and condensing conditions, minimizing redesign.

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Reduced Discharge Temperatures

Lower discharge-to-ambient temperature lift extends compressor life and reduces lubricant degradation.

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Straightforward Retrofit

Most existing R404A commercial systems can be converted to R452A with minimal changes: a new TXV/expansion device and POE oil recharge—minimizing downtime.

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Applications & Use Cases

Commercial Refrigeration Systems

R452A excels in:

Supermarket Display Cases: Low- and medium-temperature cabinets maintain product quality and reduce energy bills.
Walk-In Freezers & Cold Storage: Reliable operation down to –40 °C, suitable for frozen food, meat, and seafood storage.
Multi-Evaporator Setups: Efficiently manages multiple zones with varying temperature requirements in grocery and convenience stores.

HVAC & Heat Pump Applications

R452A is well-suited for:

Light Commercial Chillers: Low- and medium-temperature chillers in restaurants, hospitals, and small industrial plants.
Packaged Rooftop Units (RTUs): Retrofit older RTUs designed for R404A/R407A, improving efficiency without major compressor changes.
Heat Pump Water Heaters: Stable performance in moderate-temperature heat pump applications, delivering efficient hot-water recovery.

Pressure-Temperature Profile

Boiling Point (1 atm): –46.6 °C
Evaporation Pressure at –23 °C: ~1.0 bar (gauge)
Condensing Pressure at 40 °C: ~17.5 bar (gauge)

These parameters ensure stable, efficient operation in low- and medium-temperature commercial applications—from display cases to light commercial HVAC units.

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