09 March 2026
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As a trainer, I get really excited when we are launching a new product and immediately look at what might be needed in our training courses to help engineers understand the technology and how to install it.
Sometimes a new product or range is an upgrade, which brings new features and benefits but it’s a continuation rather than anything really game changing.
The same cannot be said about the new City Multi R32 YXM VRF air conditioning. This isn't simply just another upgrade!
Our R&D teams have taken their time to look carefully at what the market needs from larger VRF units and examine the special opportunities that R32 offers.
Yes, it promises a 20% reduction in operational carbon and running costs with a 10% increase in energy efficiency over the previous model, but it’s the changes that affect engineers that excite me as a trainer.
With the familiar 2-pipe system unique to City Multi, you still get a quicker installation, with substantially less brazing points than other VRF systems.
But we’ve also listened to customer feedback, and have moved the electrics and DIP switches to chest height to make them easier to work on.
Using R32 delivers much lower global warming potential (GWP) than previous models but the innovation doesn’t stop there.
Our designers have developed a completely new chassis design, engineered with advanced technology, which significantly enhances the range, providing even greater flexibility and performance across various applications.
So, for installers, designers and maintenance teams, the new R32 YXM comes with all the familiarity that has rightly made City Multi market leading, allowing unparalleled flexibility in design, installation, commissioning and operation.
This advanced technology will bring substantial cost savings in terms of running expenses, and the best part is that it still maintains the plug-and-play convenience that VRF systems are known for, ensuring easy installation and seamless integration into your projects.
I believe that this combination of innovation and practicality makes our new VRF solution truly exceptional.
The ultra-compact, modular system has a footprint 6% smaller than the market average, saving important space on the roof or in the plant room.
We’ve also extended the height extension between the outdoor and indoor units to 113m, which helps as high-rise buildings are becoming more popular.
The new Branch Controller (BC) box now comes with up to 12 ports and has built in shut-off valves. It also has a compact height of just 252mm, meaning it can be installed into tight ceiling spaces to increase design flexibility.
There’s also been around 20% improvement in the cooling efficiency and about 30% improvement in the SCOP over previous models making YXM suitable for both for new projects and upgrades, especially where performance and sustainability are key.
And, against an industry average of 10-years for leak detectors, the City Multi R32 YXM offers a 30-year lifespan on the lowlevel leak detectors.
We've reduced overall system charge – helping to lower embodied carbon, and improved seasonal efficiency - reducing operational carbon.
The outdoor unit is equipped with a newly designed heat exchanger with aluminium flat tubes but the flow of refrigerant from the main distributor is now done vertically.
This means that, when the system is in full heating or majority heating, the liquid / gas mixture fills the coil evenly, using every section of that heat exchanger and improving the phase change.
Thinner more closely packed tubes increase the heat exchanger surface area, improving cooling efficiency through a higher density arrangement.
So, the new City Multi R32 YXM range builds on the VRF system the market already knows and trusts, but takes it to the next level with smarter, more sustainable features. I can’t wait to get the first engineers in for training!
You can find out more for yourself here: https://citymultiyxm.com/
