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INFO@COOLTHERM.CO.UK
COOLTHERM.CO.UK
LOW GWP REFRIGERANTS
The shift to net zero is accelerating, with stricter regulations phasing down high-GWP refrigerants in heating and cooling. Businesses must transition to low-GWP alternatives to stay compliant and safeguard operations. Beyond regulation, these refrigerants enhance energy efficiency, lower costs, and reduce environmental impact. Investing in future-ready HVAC technology today ensures compliance, boosts performance, and supports a sustainable future.
Refrigerant
R290
R454B
R513A
R1234ze Synthetic
Natural
Synthetic
Synthetic
Refrierant
F-Gas
F-Gas
F-Gas
GWP
3
466
573
<1
COP Values* ASHRAE Class
~4.5 – 5.0
~4.1 – 4.5
~3.8 – 4.2
N/A A2L
A3
A2L
A1
Evaporation Pressure* (7°C) Condensation Pressure*
4.5 bar
6.2 bar
3.2 bar
2.5 bar
12.5 bar
16.6 bar
9.4 bar
5.6 bar
(35°C) Compatability
Dedicated
R410A
R134A
Dedicated
System
Replacement (with modifications)
Replacement (with modifications)
System
*Refrigerant performance will vary subject to specific system and conditions
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