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Heinen & Hopman - Global Supplier of Maritime HVAC Systems

Heinen & Hopman Engineering is a world leader in air-conditioning, mechanical ventilation, central heating, refrigeration, fire protection, environmental systems and air duct cleaning. Founded in 1965, the company is renowned for being an innovator in the design, engineering and installation of customised solutions. We work in four specialist areas: superyachts, commercial (merchant) shipping, the offshore industry and navy vessels.

With the broad experience, qualifications and flexibility we require our mechanics and engineers to possess, we strive to ensure people using our systems comfort at all times, and make them feel at ease anywhere in the world.

From engineering to after-sales services, or even if it is just for advice, Heinen & Hopman strives to be at your disposal 24/7 via a global network of subsidiaries and after-sales centres.


Customised HVAC for seagoing vessels

Our in-house engineering and production departments enable us to work flexibly, and we have extensive testing and training facilities. A global network supplies both service and spare parts. The main HVAC equipment supplied by Heinen & Hopman to the sea shipping sector includes air conditioning, mechanical ventilation, heating and refrigeration.

In addition to these products, we have developed dedicated HVAC equipment for the sector, including:

  • Energy-saving systems with high yields in various HVAC applications
  • Energy recovery systems via air conditioning installations
  • In-depth automation specialities for various operational modes
  • Special filtration and ventilation solutions for oil and chemical recovery vessels (oil / chemrec) to protect crew and installations
  • Impulse parking deck ventilation systems instead of large ducts
  • Impulse engine room ventilation systems reducing the use of large ducts

HVAC installation refits

In addition to building new installations for seagoing vessels, Heinen & Hopman also realises refits of existing HVAC installations. Recent examples include fishing trawlers, dredgers and research vessels, for which we provide global support and installation (supervision). Such refits are carried out in countries as diverse as South Africa, Turkey, the UAE and Singapore.

Our commonly supplied HVAC systems are:

  • Air handling unitsH&H
  • Direct expansion systems
  • Single duct air conditioning systems
  • Packaged air conditioning units
  • Cabin air conditioning units
  • Zone heating systems
  • Thermal oil-fed heating systems
  • Electric heating systems
  • Central heating systems
  • Boilers
  • Radiators
  • Heat exchangers
  • Engine room ventilation systems
  • Cargo area ventilation systems
  • Water separators / mist eliminators
  • Sea water cooled condensing unit
  • Fresh water cooled condensing unit
  • Provision cooling and refrigeration systems

Refrigeration and air conditioning spare parts

To ensure smooth operation and minimal downtime for all your installed equipment, Heinen & Hopman has an extensive stock of spare parts for refrigeration and air conditioning used within marine installations, available through an efficient parts service.


All stocked items are quoted and dispatched on the same day, and our international depots hold large stocks of spares to ensure minimal delivery time and costs. Our spare parts service can provide components for any brand of HVAC equipment.

Commonly ordered spare parts are:

  • New and reconditioned compressors
  • Refrigeration controls
  • Expansion valves
  • Filter dryers and gauges
  • Systems spares
  • Manifolds
  • Pipe cutters
  • Gas leak detectors
  • Specialist tools
  • Package equipment including AC units
  • Centrifugal and axial flow fans: our own brand (Salor) and other brands

To prevent system breakdowns and reduce refrigerant consumption we also offer:

  • Refrigerant recovery and charging product
  • Refrigerant leak
  • Detection products
  • Vacuum products
  • Refrigeration tool kits

For more information please don't hesitate to use the form below to send us your business enquiry.

Heinen & Hopman
Produktieweg 12
3751 LN Bunschoten
The Netherlands
Tel: +31 (0)33 29 92 500