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Marine Engineering Services

Are you a business in the Luxury, Defence or Commercial sector? Increase efficiency and productivity with specialist Marine, refrigeration and HVAC services.

Every vessel is unique and requires a specific approach to achieve both short and long-term business goals. At Chillflow Solutions, we provide a custom-built approach to every project. This not only offers a more bespoke service but also ensures that our customers’ needs — no matter how specific — are accommodated.

We carefully and methodically utilise resources and labour in tandem with the use of the most advanced technologies. In doing so, we help customers maximise efficiency and productivity while gaining the tools needed to reach new levels of success. The various marine sectors are highly competitive and require top-tier, reliable solutions. 

Thanks to the vast experience and hard work of our specialist engineers, we maintain a superb reputation in the UK and abroad for design, installation and servicing solutions.

Chillflow Solutions offers more than the means to solve problems. We provide targeted solutions to meet your current demands and for many years to come.

Chillflow cooling for ice-breaker

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Chillflow Solutions has designed and installed a bespoke R449A-based marine refrigeration system for a 65m ice-breaker and super yacht, operating on high efficiency BITZER Ecoline compressors.

The ocean-going vessel required a reliable replacement refrigeration system to serve its onboard cold room, freezer and garbage store. Use of an off-the-shelf replacement pack was ruled out due to space restrictions, and the distance between the pack, cold rooms and condensers. The system also required 100% redundancy to ensure continuity of cooling in the unlikely event of a breakdown at sea.

Chillflow Solutions designed a bespoke solution with support from BITZER UK. The resulting system, built at Chillflow’s Redruth site, has a capacity of 12kW and is based on two Ecoline semi-hermetic compressors operating on a run and stand-by basis, each able to cover the cooling load and operating with a condensing temperature of 45°C.

R449A refrigerant is non-toxic and non-flammable, with an A1 safety classification under EN 378 and ASHRAE 34 standards.

The compressors have an integrated monitoring system that keeps track of winding temperature, phase sequence, phase failure, current, plus oil temperature and level, ensuring optimum performance at all times.

The pack is connected to two Bitzer sea-water resistant shell and tube condensers, which provide excellent corrosion resistance and heat transfer between the refrigerant and sea water, used to reject heat.

Darren Mockridge, Managing Director of Chillflow Solutions, said: “The time-window to complete the project was tight due to the vessel’s limited time in port. It was crucial to have a proven, water-tight design ready to go from the moment the installation team had access.

“Our relationship with BITZER UK goes back many years. However, this was our first direct project collaboration with the company, via the local distributor. The team was extremely supportive on the technical aspects and helped us deliver a reliable, highly efficient bespoke solution.”

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A key design requirement was optimum energy efficiency given the limited power availability onboard. The pack uses BITZER controllers to regulate the compressors’ Varistep capacity controls, allowing refrigeration output to be precisely matched to cooling load, down to 10% of full capacity.

The pack is also equipped with a BITZER IQ module with Bluetooth connectivity, giving hands-free access to key performance parameters, if required.

Mockridge added: “The close relationship between BITZER UK and its remanufacturing arm, Green Point UK, is also a big plus for us – not just in the UK but worldwide. For example, our operation in Australia works with the local BITZER and Green Point remanufacturing divisions there to support our Australian marine contracts.”

Kevin Glass, Managing Director of BITZER UK, said: “Marine refrigeration applications are particularly demanding due to the critical nature of onboard cooling and challenging marine environment. ECOLINE compressors are proven to give long-lasting service in harsh applications, such as marine cooling. We were delighted to support Chillflow Solutions in their innovative solution for this project, which was delivered successfully despite the tight timeframe and restricted access onsite.”

Read original article on on the ACR Journal WebsiteDownload the PDF article

We excel in the following areas

  • Defence

    Chillflow Solutions provide robust, reliable marine engineering solutions to the Royal Fleet Auxiliary and Navy ships. These products and services include chilled water systems, HVAC and refrigeration stores equipment.

    Such environments are demanding, challenging and plant reliability is critical to ship operations. Our team is familiar with the industry and understands the challenges you face. Which makes us the perfect people to solve even the most complex problems.

    Using the latest technology, we design and install new systems to replace obsolete, outdated equipment. We don’t just upgrade; we future-proof existing plants using refrigerants and sustainable equipment.

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  • Super Yachts

    The demands and standards of the superyacht industry are as high as it gets. Aesthetics, quality, reliability, and efficiency all need to be cut above the rest, with no excuses. We tailor our bespoke services to suit your every need and commit ourselves to ensure reliability and peace of mind.

    A vital part of our superyacht services is optimising energy efficiency. This provides an array of benefits as it extends the life of all your equipment and reduces the cost of ownership. Both of which allow you to invest time and money into other crucial aspects of owning or running a superyacht.

    With such a wealth of experience, our team provides a wide range of engineering products and services to the superyacht industry. Including chilled water plants, refrigeration breakdown and maintenance, and ventilation.

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  • Cruise Liners

    Cruise ships have high standards, tight deadlines and demands that define the industry. In such environments, the need for efficient refrigeration and air conditioning is absolute.

    High-quality solutions ensure food safety, longevity and provide a more comfortable, enjoyable environment. These are not the only benefits, but for the hospitality sector, they simply cannot be overlooked.

    Our engineering team is familiar with and possesses an in-depth understanding of cruise ships. We understand your requirements, unique demands and provide bespoke solutions for long-term success.

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  • Commercial

    For commercial and industrial vessels, comfort and practicality are key. While commercial vessels may not have the same demands as superyachts and cruise liners, the fundamental needs are the same. Those onboard must be safe, comfortable and happy — refrigeration and air-conditioning play a huge role in this regard.

    Commercial ships are responsible for shipping goods all over the world. Therefore, inefficiency and a lack of reliability can prove to be a severe issue if neglected.

    Bespoke marine engineering solutions offer peace of mind, enhance operations, and improve the quality of life for those on board. But to achieve this, it’s essential to work closely with a capable and reputable engineering solutions provider.

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