Singapore F-Gas transition
The 2027 GWP cap is coming.
Get your cold rooms ready for CO₂.
From 1 July 2027, new centralised commercial refrigeration in Singapore must use a refrigerant with a global warming potential no higher than 150. This is the open reference on what changes and how Muller CO₂ systems meet it.
NEA, announced 28 May 2026. Verify against the gazetted regulations.
The regulatory timeline
Sep 2025
NEA public consultation on HFC equipment requirements.
28 May 2026
GWP 150 cap and dismantling registration announced.
1 Jul 2027
GWP 150 cap on new centralised systems. Dismantling firms register with NEA.
Jul 2028
Vehicle air-conditioning follows.
Explore knowledge articles
All articles ›The compliance explainer, the CO₂ primer and the regulatory timeline are public. Send them to a client or facilities manager, no account required.
Unit coolers Unit coolers · Guide
Unit cooler selection guide
Sizing on design TD, refrigerant choice, defrost options and variable fan speed for energy-efficient unit coolers.
Read ›Datasheets & manuals
All documents ›The full Muller and Heatcraft library, open to browse and download. No account required.
Condensers Condensers
Muller air-cooled condensers
KRC series air-cooled condensers from 12.0 to 25.8 kW: capacities, fan configurations and coil options.
View › Condensers Condensers
Muller Inverter CDUs
Variable-speed condensers running 30 to 90 Hz, with up to 30% lower power and 20% less noise than fixed-speed.
View › 
Reference Reference
Heatcraft Engineering Manual (2008)
Commercial refrigeration cooling and freezing: load calculations and equipment-selection reference.
View › Apps
The assistant and heat-load calculator sit behind a secure sign-in for Beijer Ref Singapore contractors and staff. Not set up yet? Request access ›