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Thermowell di Renato Napoli

Via U. Foscolo, 8, 73010 Surbo

Hall map

boot 2019 hall map (Hall 11): stand B06

Fairground map

boot 2019 fairground map: Hall 11

Our range of products

Product categories

  • 03  Shipping / Yachting Equipment and Accessories
  • 03.04  Heating / Air Conditioning
  • 03.04.01  Air Conditioners

Air Conditioners

  • 03  Shipping / Yachting Equipment and Accessories
  • 03.04  Heating / Air Conditioning
  • 03.04.02  Boat Heating Systems

Boat Heating Systems

  • 03  Shipping / Yachting Equipment and Accessories
  • 03.04  Heating / Air Conditioning
  • 03.04.03  Dehumidifiers


  • 03  Shipping / Yachting Equipment and Accessories
  • 03.04  Heating / Air Conditioning
  • 03.04.04  Ventilation


Our products

Product category: Air Conditioners, Ventilation

AirJet 12

AirJet 12 is the exclusive and innovative sea water cooled boat air conditioner directly powered in 12 V (direct current) from the battery bank of your boat, without using a generator or an inverter. AirJet 12 is a well designed and elegant product which offers the most simple and versatile installation. According to the volume available on board for its installation, it is possible to choose between the split arrangement or 3 self contained arrangements, horizontal or vertical. With its 6.1000 BTU/h cooling power, AirJet 12 is the ideal solution for cooling single cabins into small/medium vessels. The heart of this air conditioner is a semi-hermetic horizontal scroll compressor using an advanced brushless DC motor (BLDC) which allows the direct connection to the boat’s battery bank, also avoiding, through a dedicated program of the compressor control driver, the start – up peak of current absorption.

Under the nominal conditions AirJet 12 draw 45 A, including the current from blower and circulation pump. The blower can be rotated allowing many installation options according to the path of the air ducts. The best quality of the treated air is assured by the installation of an easily removable and washable filter. Each unit is pre-charged, leak checked and tested in all operating modes at the most critical conditions. All Thermowell marine air conditioners are filled up with environmentally friend green refrigerant and no further charge is required before the installation on board.

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Product category: Ventilation


FC series of fan coils, also named air handler, are properly designed for marine applications. They can be easily ducted in order to distribute  the air into the ambient from several points (air outlets). These models are suitable for installation in the lower part of the vessel, inside a cabinet or under a sofa or a bed. 

FC models consist mainly in the following components: finned coil (water/air heat exchanger), high pressure centrifugal blower(s) equipped with internal high efficiency motor, deep stainless steel drain pan equipped with two holes for drain discharge, bleeder valve, fresh water inlet and outlet connection. Available in 7 sizes ranging from 5.000 to 24.000 BTU/h; FC18 and FC 24 models are equipped with two blowers.

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Product category: Air Conditioners, Boat Heating Systems, Dehumidifiers, Ventilation


The range of products designed for air treatment inside the vessels includes air handling units (or fresh air units) and air extractors. Air handling units allow the external air to be treated (cooled, heated, dehumidified) before entering the ambient of the vessel. Air handling units are available as standard in 4 sizes from 300 up to 1400 mc/h.

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About us

Company details

Our story is italian. In the 80s, Renato Napoli, industrial expert, specialized in RHVAC production, installation, design, engineering and consultancy. He improved his background and obtained a good business reputation. In 1997 he entered the world of entrepreneurship and founded Thermowell, the manufacturer of marine HVAC.

First years, first exciting business challenges, important commission and participation at the international marine shows. In 2010, Renato’s son Mattia, proud of the value that Thermowell represented in the marine industry, began to work within the company firstly in the production department and recently in the management.

Thermowell solves problems of temperature on board and creates value working as partner and supplier of air conditioning, ventilating, refrigerating systems. Technology research, innovation studies, choice of high quality materials, italian manufacturing and know-how are the business principles.

Whoever buys, designs, builds and handles leisure, governative and commercial boats and yachts can trust THERMOWELL: innovation, customisation and competitiveness at service of the comfort on board.

Thermowell has today a consistent distribution in the italian and european marine market, endlessly invest in product and process R&D, enhance the online presence and can do business without a qualified production and management team under the leader and CEO Renato Napoli.

Consultancy for shipyards and naval designers, customisation and production for single projects, production range of innovative and traditional RHVAC systems are the strong points of Thermowell. For the future, new ideas to be turn into reality are in progress to satisfy the needs of the marine industry.

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