Energy Efficient Water Cooled Marine Air Conditioner for Marine Applications

HISURP Water Cooled Marine Air Conditioner Factory Direct | Buy OEM Wholesale seawater HVAC units.

HISURP seawater-cooled marine HVAC systems are engineered for ships, offshore platforms, drilling platforms, vessel cabins, marine control rooms, accommodation spaces and equipment rooms that require efficient heat rejection through seawater. With decades of industrial refrigeration experience and a large-scale manufacturing base, HISURP provides project-oriented marine air conditioning solutions with anti-corrosion condenser design, ship-motion reliability, easy maintenance and customized configurations for demanding marine environments.

A Water Cooled Marine Air Conditioner uses seawater or a water-side cooling loop to remove condenser heat from the refrigeration system. Compared with air-cooled units, seawater-cooled systems can offer stable heat rejection, compact installation and lower condenser-side noise when the vessel has proper seawater pump, strainer and piping infrastructure. This makes them suitable for many marine and offshore applications where continuous operation, efficient cooling and equipment reliability are priorities.

Why choose seawater-cooled marine AC?

Choose a seawater-cooled marine AC unit when the vessel has reliable seawater supply, when machine room ventilation is limited, when air-cooled condenser heat discharge is difficult, or when a compact and efficient cooling system is needed. The key engineering challenge is seawater corrosion. Therefore, condenser material, tube design, end cover material, anti-galvanic protection and tube cleaning access are critical purchasing factors.

HISURP engineering and manufacturing credibility

HISURP is supported by Ningbo Hicon Industry, located in Yuyao, Zhejiang Province. The company’s refrigeration experience dates back to 1972, and since 2003 it has focused on industrial air conditioners and chillers. The factory covers over 150,000 m², has more than 400 employees, and is equipped with complete production lines, advanced manufacturing equipment, national-class CNAS labs, enthalpy difference test rooms, noise and vibration testing rooms and heat balance testing facilities.

The company has obtained 123 patents and has passed ISO9001, ISO14001, ISO45001, CE, UL, CB, CRAA, China 3C, anti-corrosion grade certification and other certificates. It has participated in national standard drafting and has built a reputation in special refrigeration applications such as offshore platform air conditioning, marine ACUs, E-HOUSE cooling, high-temperature industrial AC, base station cooling and precision environmental control.

For B2B buyers, this means HISURP can support not only product supply but also engineering discussion, customization, documentation, factory inspection, testing verification and long-term cooperation.

Key technical design for water cooled marine air conditioner

1. High-efficiency shell-and-tube seawater condenser

The condenser is one of the most important components in a seawater-cooled marine system. HISURP seawater condensers use corrosion-resistant material combinations to withstand aggressive marine cooling water. Typical design features include heat transfer tubes, cast aluminum bronze end covers and composite tube sheet structures. These material choices help improve resistance to seawater corrosion and extend service life.

2. Safety and anti-corrosion protection

Seawater systems must consider both pressure safety and electrochemical corrosion. HISURP condenser designs can include safety valves, anti-galvanic corrosion devices and structural measures to reduce corrosion risks. The refrigerant-side liquid receiver design helps stabilize refrigerant supply to the evaporator when the vessel is rolling or inclined.

3. Compressor reliability under rolling and inclination

A vessel’s rolling and pitching may affect compressor oil supply. HISURP marine systems consider deep oil sump design, compressor anti-vibration protection and marine anti-corrosion surface treatment. Danfoss piston compressor configurations are available, and Bitzer compressor customization can be discussed for specific projects. Large-capacity systems can use dual compressors and dual independent refrigeration circuits so that one circuit fault does not completely stop the cooling system.

4. Marine evaporator and accessory selection

Water-cooled evaporators can use dry shell-and-tube structures with external anti-corrosion protection. Air-side evaporators can use efficient tube-and-fin designs. Refrigeration accessories may include externally equalized thermal expansion valves, Danfoss low-pressure switches, expansion valves, dry filters, oil receivers, gas-liquid separators, solenoid valves, sight glasses, pressure gauges, shock absorbers and high/low pressure protection devices.

5. Maintainability first

Because vessels may operate far from shore, maintenance access is a major design priority. HISURP units can be configured with three removable panels for easier inspection, nylon filters that can be removed from the front panel, visible high/low pressure gauges, lifting rings for hoisting, and service-friendly condenser cleaning structures.

Technical reference table of water cooled marine air conditioner

Why Choose us

Hisurp is a professional industrial air conditioner manufacturer with cooling technology roots dating back to 1972. The company has over 150,000 m² of workshop area, more than 400 employees, advanced manufacturing lines, and CNAS national-class laboratories and testing rooms.

With extensive experience in industrial precision cooling, high-temperature air conditioning, telecom cooling, marine HVAC, E-House cooling, and other special applications, Hicon can provide customized solutions for demanding technical environments.

Our advantages include:

customized parameter design

strong R&D capability

complete testing resources

environmentally friendly refrigerant options

fixed frequency and inverter options

project-based engineering support

FAQ

Q: What’s the production time ?

A: We don’t have products in stock. So for standard models, the lead time is 20-30 workdays; for customized models, the lead time is 40-50 workdays.

Q: How to choose the product I need ?

A: First, provide the application site to select the product types.

Secondly, tell us the parameters like cooling/heating capacity, refrigerant, power supply... or any more information you can share, we will calculate and suggest a suitable model proposal for you.

Q: Do you have any certificates ?

A: Yes. Our company and products are UL, CE, CB, CNTE, CCS, ISO certificated.

Q: What’s the MOQ ?

A: To show our willing to work together with you, the MOQ could be 1 set for most units.

Q: ABOUT US

A: Ningbo Hicon Industrial Co., Ltd. was founded in 2003 , has a registered capital of 60.43 million RMB. The company specializes in the production of industrial & commercial air conditioners. The company currently has a construction area of 150,000 square meters and 520 employees, of which R&D personnel account for more than 10%.

Q: Are you a manufacturer or trade company ?

A: We are manufacturer located in No. 77 Sihai Avenue, Simen Town, Yuyao, Ningbo, Zhejiang, China. So we could also do customization.

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