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equipment that is used to chill air can when reversed be used to warm the inside air temperature.


Many equipment manufacturers recognise that supplying air conditioning solutions for the luxury superyacht market requires industry leading technology, continual innovation and the highest performing climate control systems because the expectations of the clients, designers and boat builders are so high. The focus continues to be on answering the demands from builders and consumers for reliable, quiet systems and less energy consumption in the smallest possible package.


THE FOCUS CONTINUES TO BE ON ANSWERING THE DEMANDS FROM BUILDERS AND CONSUMERS FOR RELIABLE, QUIET SYSTEMS AND LESS ENERGY CONSUMPTION


There has been a trend in recent years towards greater HVAC reliability on superyachts. A reliable air conditioning system is essential to provide a comfortable cabin climate for crew and passengers, and also to maintain the required temperature range for the operation of critical electronic equipment.


Each system needs to be engineered for the unique layout and use characteristics of each vessel. Designers are constantly being challenged to fit a performing product into different applications.


TRADEWINDS ENGINEERING Tradewinds Engineering Ltd have extensive experience and expertise with refrigeration, air conditioning and ventilation systems within the Marine and Offshore industry. From the Chilled Water & Provisions Refrigeration Systems to Ventilation & Localised Air Conditioning, their skilled refrigeration engineers are ready to support you 365 days a year in any location around the world. Tradewinds Engineering have acted as 3rd Party Independent Expert Witnesses between vessel owners and shipyards, carried out detailed analysis of chiller performance and completed refrigerant R22/R404A retrofits due to compliance with the FGas Regulations. They also take pride in their training website (www. technicalpassport.com) which allows them to provide refrigeration training to marine engineers all over the world. For more details Tel: +44 (0) 845 387 6387 or visit www.tradewindsgroup.co.uk


For superyachts above 30m, chilled water circulating through local fan coil units is the preferred option. In general terms that consists of an insulated water loop running around the whole vessel, usually starting and finishing in the machinery space. The fan coil, or ‘tempered water’ system is extremely efficient in reverse cycle mode when heating is required. These fan coil units, also called air handlers, need to be designed so they are unobtrusive, yet accessible for cleaning. They need to be equipped using quietest fans available and they must be easy to fit with supplementary heating elements for when the yacht is in less temperate climates. This requirement is unique to the superyacht market and is something not found in HVAC installations ashore.”


Things have changed dramatically over the last 20 years. Paul Hickinbotham, Product Director, Marine EMEA at Dometic recalls, “When I first started in the sector, HVAC was still considered to be an option onboard. Back then systems were perceived by boat builders to be too complicated to fit. Today, in contrast,


ONBOARD | SPRING 2019 | 103


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