Hydroniq
Hydroniq Coolers AS is a Norwegian manufacturer of patented heat exchange systems — the hull-integrated Rack, the module-based Pleat, and customizable Tube coolers — serving shipbuilders, shipowners, and industrial enterprises globally from its Ålesund headquarters.
- Company typePrivate
- Founded1950
- HeadquartersAalesund, Norway
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Hydroniq does
Hydroniq Coolers AS is a Norwegian designer and manufacturer of heat-exchange solutions for marine and selected industrial applications, headquartered in Ellingsøy outside Ålesund within Norway's Sunnmøre maritime cluster. The company operates three product lines: the patented Hydroniq Rack (a hull-integrated closed-tank seawater cooling system with frequency-controlled pumps, delivering up to three times higher heat transfer efficiency than traditional box coolers), the patented Hydroniq Pleat (a module-based titanium plate cooler that reduces cleaning time by more than 90%), and the Hydroniq Tube (a configurable shell-and-tube family spanning more than 200 standard models with cooling surfaces from 0.2 to 350 m² and pressure ratings from 10 to 100 bar). It markets directly to shipbuilders and shipowners across vessel segments including wellboats, trawlers, RoPax ferries, cable-laying vessels, tankers, and offshore vessels, and supplies selected land-based customers such as aluminum smelters (Hydro Sunndal), hydropower facilities, hotels, and data centers.
The business is project-based B2B hardware sales supplemented by a recurring aftermarket service stream covering drydocking supervision, overhauls, classification services, and spare parts. Pricing is quote-driven and not publicly disclosed; engagement lengths are multi-year supply contracts and frame agreements. Distribution is hybrid: direct sales from Norway plus a global representative network across 13 countries (Brazil, China, Finland, Greece, Indonesia, Italy, Korea, Malaysia, Singapore, Spain, Turkey, USA). The company has been operating in heat exchange for over 70 years — originally as Sperre Coolers under Sperre Gruppen — and was rebranded Hydroniq Coolers in 2018 when SMV Invest AS divested the Sperre brand.
Major strategic developments include the August 2025 announcement to acquire and merge welding specialist Weldteam into Hydroniq (effective 1 January 2026), which vertically integrates pressure-rated equipment and steel-structure fabrication; framework agreements with Sølvtrans (world's largest wellboat operator) and Framo (marine pumping systems); and marquee vessel programs covering NKT Victoria's cable layer, Sefine Shipyard's Siremar LNG RoPax, and VARD-built trawlers. The company is privately held by Norwegian investment company SMV Invest AS and operates a quality management system aligned with ISO 9001.
Hydroniq firmographics
Firmographics- Name
- Hydroniq
- Legal name
- Hydroniq Coolers AS
- Website
- https://hydroniq.no
- Company type
- Private
- Founded year
- 1950
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Hydroniq Coolers AS is a Norwegian manufacturer of patented heat exchange systems — the hull-integrated Rack, the module-based Pleat, and customizable Tube coolers — serving shipbuilders, shipowners, and industrial enterprises globally from its Ålesund headquarters.
- Ownership category
- akta.pro rank
Hydroniq industry classification
Industry- Product category
- Marine Heat Exchangers
- NAICS
- Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Power Boiler and Heat Exchanger Manufacturing (33241), Power Boiler and Heat Exchanger Manufacturing (332410), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341)
- SIC
- Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Refrigeration & Service Industry Machinery (3580)
- akta.pro primary industry
- Heat Exchangers & Thermal Transfer Equipment (IMAHAKAC)
Keywords
Where Hydroniq is headquartered
LocationHeadquarters
- HQ city
- Aalesund
- HQ country
- Norway
- HQ region
- Europe
Offices1 record
Markets served
Hydroniq business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Marine cooling systems and heat exchangers: Sale of proprietary heat exchange solutions including Rack, Pleat, and Tube coolers for maritime applications (ships, vessels) and selected land-based industrial applications. Products are sold as complete systems or individual products with customization options.
- Aftermarket service and spare parts: Service labor, supervision during drydocking, repairs, overhauling, cleaning and reconditioning. Supply of spare parts including maintenance kits. Classification services for 5 and 10 year certifications. Global service network.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom cooling solutions for maritime and industrial applications |
Go-to-market motion2 records
Distribution channels1 record
Marketing channels2 records
Hydroniq product offering
Product offeringCore offering
Hydroniq Coolers AS designs, manufactures, and assembles proprietary heat exchange solutions at its Norway headquarters, offering three core product lines (Hydroniq Rack, Hydroniq Pleat, and Hydroniq Tube) for seawater cooling on maritime vessels and for selected land-based industrial applications. The company sells complete cooling systems or individual products with customization options, and complements hardware sales with aftermarket service, spare parts, drydocking supervision, and classification support.
Product overview
Hydroniq offers a portfolio of three main heat exchange product lines: Hydroniq Rack (hull-integrated seawater cooling system with patented closed-tank technology for constant high-efficiency cooling), Hydroniq Pleat (patented module-based titanium plate cooler with easy maintenance and scalability), and Hydroniq Tube (customizable shell-and-tube heat exchangers). These products serve maritime vessels (seawater cooling for engines and auxiliary systems) and selected land-based industrial applications (hydroelectric plants, aluminum smelters, data centers, hotels). The company also provides service, support, spare parts, and complete system solutions, with manufacturing and assembly conducted at their headquarters in Norway.
Differentiator
Problem solved
Functional benefit
Brands
- Hydroniq Rack: Hull-integrated seawater cooling system - a closed tank system providing constant and efficient cooling for vessels.
- Hydroniq Pleat
- Hydroniq Tube
Products and services
- Hydroniq Rack Patented hull-integrated seawater cooling system for vessels. A closed-tank design with frequency-controlled pumps that distributes seawater regardless of vessel speed, offering up to three times higher heat transfer efficiency than traditional box coolers. Includes fuel and energy-saving features such as frequency-operated seawater pumps, chilled water element, and heat recovery element.
- Hydroniq Pleat Patented module-based titanium cooler for seawater-to-freshwater heat exchange. Features easy cleaning routines that reduce maintenance time by up to 90%, scalability by adding or removing elements, ability to combine seawater and freshwater systems in one unit, and a single-gasket design for hassle-free reassembly. Applicable for maritime and industrial use.
- Hydroniq Tube Shell-and-tube heat exchanger offering high quality and long lifetime. Fully customizable with cooling surfaces from 0.2 to 350 m2 and diameters between 139 and 711 mm. Designed for pressures ranging from 10 to 100 bar. Available in stainless steel, titanium, carbon steel, Alu.brass, Cu/Ni 90/10, and Cu/Ni 70/30. Hydrostatically pressure-tested and supplied with pressure test certificate. Applicable for maritime and industrial use.
- Aftermarket Service, Spare Parts and Classification Support Global aftermarket service for installed Hydroniq cooling systems, including on-site service labor, supervision during drydocking, repairs, overhauling, cleaning and reconditioning. Supply of spare parts including maintenance kits, plus classification services for 5 and 10 year certifications. Delivered through Hydroniq's worldwide service network of trusted partners.
Quantifiable outcome
- Up to 3x higher heat transfer efficiency compared to traditional box coolers
- +2 more outcomes
Companies that use Hydroniq
Customer profileNamed customers11 records
Segments2 records
Ideal customer profiles2 records
Hydroniq technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability1 record
Feature3 records
Hydroniq partnerships and signals
Strategic signalPartnerships
17 partnerships are on record, tiered core and minor.
- Weldteam AScoreNorwegian welding specialist Weldteam being merged with Hydroniq Coolers under SMV Invest ownership. Weldteam manufactures pressure-rated equipment and steel structures, including pressure tanks for air compressors and tube chambers for Hydroniq's tube coolers. One of Hydroniq's most important suppliers. Both companies will operate under Hydroniq Coolers brand from January 2026. Target completion by end of 2025.
- Vision Marine Rep e Serv LtdaminorSales and service representative in Brazil
- Eternal Marine International LimitedminorSales and service representative in China
- Septor OYminorSales and service representative in Finland
- Alpha Marine EngineeringminorSales and service representative in Greece. Co-exhibits at Posidonia with Hydroniq.
- Scanvik Marine Services Pte LtdminorSales and service representative in Singapore, Indonesia, and Malaysia. Co-exhibits at APM with Hydroniq.
- Ranieri Tonissi SpAminorSales and service representative in Italy
- MTS CorporationminorSales and service representative in Korea
- Equipos Nornaval SAminorSales and service representative in Spain. Co-exhibits at Navalia with Hydroniq.
- NEMO MarineminorLocal cooperation partner in Turkey. Co-exhibits at Europort Istanbul.
- W&O Supply Inc.minorSales and service representative in USA
- Marine Industrial SolutionsminorSales and service representative in USA
- FramocoreMarine and offshore pumping system supplier awarded frame agreement to Hydroniq for tube coolers integrated with Framo's hydraulic pump units for medium range tankers. Framo delivers cargo pumping systems to a wide variety of tanker vessels. Hydroniq developed new range of smaller, more compact tube coolers to meet Framo's requirements.
- SølvtranscoreWorld's biggest wellboat operator entered into frame agreement making Hydroniq preferred supplier of marine cooling systems for all future newbuild vessels. Major seal of approval for Hydroniq technology.
- Fitjar Mekaniske VerkstedminorNorwegian shipbuilder contracted by Hydroniq to build live fish carrier for North Salmon Service equipped with Hydroniq Rack cooling system.
- HAV DesignminorShip designer whose HAV 595 design for North Salmon Service live fish carrier includes Hydroniq Rack cooling system.
- Sefine ShipyardminorTurkish shipyard building RoPax ferry for Siremar equipped with Hydroniq Rack seawater cooling system. Breakthrough order for RoPax segment.
Scale indicators8 records
Recent moves6 records
Expansion highlights6 records
Hydroniq competitors and assessment
Company assessmentDirect peers
- Tranter (a Xylem brand): Specialist in gasketed and welded plate heat exchangers — including the widely used SWEP plate line — serving marine, refrigeration, and industrial cooling. Closely comparable to Hydroniq's Pleat plate technology and the broader modular heat exchanger category.
- Sondex (Danfoss): Specialist in plate heat exchangers serving marine, HVAC, refrigeration, and industrial markets. Competitor to Hydroniq's Pleat line with similar focus on seawater-to-freshwater heat exchange for vessels.
- SPX Cooling Technologies: Global supplier of heat-transfer and cooling solutions — including evaporative, adiabatic, and dry cooling — for industrial, HVAC, and process applications. Comparable to Hydroniq on the industrial side (aluminium, power, hospitality) where both compete on efficiency.
- Kelvion: Specialist manufacturer of plate, shell-and-tube, and welded heat exchangers for marine, HVAC, and industrial markets. Closely comparable to Hydroniq in product portfolio (Pleat/Rack/Tube vs. Kelvion's plate, gasketed, and shell-and-tube lines) and target customers.
- Funke Heat Exchangers: German manufacturer of shell-and-tube and plate heat exchangers used in marine, oil & gas, chemical, and power applications. Directly comparable to Hydroniq Tube and Hydroniq Pleat on engineering scope and custom-engineering model.
- API Heat Transfer (now part of Chart Industries): Manufacturer of shell-and-tube, plate, and finned-tube heat exchangers serving marine, power, chemical, and HVAC markets. Direct competitor in shell-and-tube marine and industrial cooling where Hydroniq Tube competes.
Broad incumbents
- Wärtsilä: Finnish marine systems major serving shipyards and shipowners with lifecycle solutions spanning engines, exhaust treatment, and auxiliary systems including marine cooling. Competes with Hydroniq on integrated shipboard cooling and lifecycle service contracts.
- GEA Group: German process-technology major with a heat-exchanger division covering plate, shell-and-tube, and welded units for marine, food, dairy, and chemical applications. Competes with Hydroniq on industrial heat exchange and on marine process cooling.
- Alfa Laval: Global Swedish incumbent supplying plate, shell-and-tube, and welded heat exchangers across marine, industrial, and HVAC. Hydroniq's direct competitor in shipboard cooling, with materially larger scale and incumbency — notably, one of Hydroniq's sales managers previously worked at Alfa Laval.
- Hamworthy (Wärtsilä brand): Wärtsilä-owned supplier of marine pumping, heating, and cooling systems historically serving tankers, LNG carriers, and offshore. Direct competitor to Hydroniq in integrated shipboard seawater cooling packages.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Hydroniq social profiles
Digital presenceHydroniq compliance and trust
Trust signalCompliance4 records
Hydroniq financial estimates
Financial estimateRevenue estimate
Valuation estimate
Hydroniq leadership team
Management profileNumber of profiles
Profiles14 records
Hydroniq funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Hydroniq M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Hydroniq
What does Hydroniq do?
Hydroniq Coolers AS designs, manufactures, and assembles proprietary heat exchange solutions at its Norway headquarters, offering three core product lines (Hydroniq Rack, Hydroniq Pleat, and Hydroniq Tube) for seawater cooling on maritime vessels and for selected land-based industrial applications. The company sells complete cooling systems or individual products with customization options, and complements hardware sales with aftermarket service, spare parts, drydocking supervision, and classification support.
Is Hydroniq a public or private company?
Hydroniq is a private company. It is classified as private equity controlled and is currently operating.
When was Hydroniq founded?
Hydroniq was founded in 1950. It employs 11 to 50 people.
Where is Hydroniq based?
Hydroniq is headquartered in Aalesund, Norway, in the Europe region.
How does Hydroniq make money?
Two revenue lines are on record. Marine cooling systems and heat exchangers are the primary driver. The others are aftermarket service and spare parts.
Who are Hydroniq's main competitors?
Direct peers on record are Tranter (a Xylem brand), Sondex (Danfoss), SPX Cooling Technologies, Kelvion, Funke Heat Exchangers and API Heat Transfer (now part of Chart Industries). Broad incumbents are Wärtsilä, GEA Group, Alfa Laval and Hamworthy (Wärtsilä brand).
Does Hydroniq have an API?
No public API is recorded for Hydroniq.
What industry is Hydroniq in?
Hydroniq's product category is Marine Heat Exchangers. Its primary akta.pro industry code is IMAHAKAC, Heat Exchangers & Thermal Transfer Equipment. Its NAICS code is 333415 and its SIC code is 3585.