What Høiax does

Høiax AS is a privately held Norwegian manufacturer founded in 1927 and headquartered at Trippeveien 5, Fredrikstad. The company designs and produces stainless steel water heaters (varmtvannsberedere) in capacities ranging from compact bench and slim units to large 300–1,000L industrial tanks, alongside system tanks for heat-pump integration, pipe-in-pipe plumbing systems, smart heating controls, water-based heating components, and leak-protection products. Proprietary technology includes efficient insulation, titanium-enhanced inner tanks (backed by an up to 12-year warranty that Høiax states is the market's longest), the PushFit pipe-in-pipe system designed for Nordic conditions, and the Høiax Controls smart-home platform that integrates with MyUplink for remote monitoring and electricity-cost optimization.

The company operates an exclusively B2B go-to-market model. Products are sold through a nationwide Norwegian dealer network (forhandlere) accessed via the Netthandel e-commerce platform, which requires dealer credentials for pricing and ordering; end customers purchase through authorized professional plumbers and installers. The Høiax Akademiet training program supports installer education on product installation. Høiax also maintains an export department serving select European markets, and resells complementary technical products such as Grundfos circulation pumps and Viega water traps alongside its proprietary line. The company is led by CEO Thomas Buskoven, has 101–250 employees, and self-identifies as Norway's leading manufacturer of stainless steel water heaters with the country's broadest assortment. No institutional investors, parent company, or subsidiaries are disclosed in the source material.

Name

Høiax

Legal name

Høiax AS

Website

https://hoiax.no

Company type

Private

Founded year

1927

Operating status

Operating

Headcount range

101–250 employees

Short description

Høiax AS is a Norwegian manufacturer of stainless steel water heaters, system tanks, pipe-in-pipe plumbing systems, and smart heating controls. The company sells exclusively through a B2B dealer network serving professional plumbers, primarily in Norway with select European export markets.

Ownership category

akta.pro rank

Product category

Water Heating Equipment

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Power Boiler and Heat Exchanger Manufacturing (33241)

SIC

Heating Equipment, Except Electric & Warm Air Furnaces (3433), Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430)

akta.pro primary industry

Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF)

akta.pro secondary industries

Water Heating Accessories & Plumbing Connection Kits (Connectors, Hoses, Traps) (IMADALAG), Tank Water Heater Installation & Replacement (HSAOACAA), Tankless Water Heater Installation & Service (HSAOACAB)

Keywords

• Stainless steel water heaters
• Water heating systems
• Pipe-in-pipe plumbing
• Smart heating controls
• Leak protection systems

Headquarters

HQ city

Fredrikstad

HQ country

Norway

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Water Heater Sales: Primary revenue from manufacturing and selling stainless steel water heaters in various capacities (from compact bench units to large 1000L industrial tanks). Products include standard, smart, express, bench-mounted, and specialized water heaters with titanium components.
2. Pipe and Plumbing Systems: Revenue from pipe-in-pipe systems, fittings, valves, and plumbing accessories for residential and commercial installations. Includes copper pipes, PEX pipes, brass fittings, and specialized components.
3. Heating Control Systems: Sales of Høiax Controls products including thermostats, actuators, connection boxes, and smart control gateways for water-based heating systems.
4. System Tanks and Accessories: Specialized accumulator tanks and system components for heat pump integration, including system tanks for domestic hot water heating combined with heat pump systems.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

H\u00f8iax manufactures stainless steel water heaters (varmtvannsberedere) and complementary plumbing products in Norway, ranging from compact countertop units to 1000L industrial tanks. The portfolio also includes smart water heaters with H\u00f8iax CONNECTED IoT technology, system tanks for heat pump integration, pipe-in-pipe plumbing systems, water-based heating controls, and leak protection devices. Products are sold exclusively through a registered B2B dealer network serving professional plumbers, commercial installers, and residential end customers.

Product overview

Høiax is Norway's leading manufacturer of stainless steel water heaters, offering a comprehensive portfolio of heating and plumbing products. The core offering centers on varmtvannsberedere (water heaters) available in multiple variants including standard, smart (Høiax CONNECTED), express, countertop, slim, wall-mounted, horizontal, and large capacity models (300-1000L). Premium lines include Titanium Extreme Eco and Titanium Expand Eco featuring titanium-enhanced inner tanks. The product ecosystem extends to systemtanker (system/buffer tanks) for heat pump integration, rør-i-rør systemer (pipe-in-pipe systems) for drinking water installation, Høiax Controls for smart water-based heating management, vannbåren varme (water-based heating) components including distributors and underfloor heating systems, lekkasjesikring (leak protection) products like VIWA watersafe and Waterguard, and technical products such as circulation pumps. The portfolio serves both residential and commercial markets with accessories, spare parts, and an outlet section for discounted products.

Differentiator

Problem solved

Functional benefit

Products and services

• Varmtvannsberedere (Water Heaters) Stainless steel water heaters in multiple configurations including standard, smart, express, countertop, large capacity (300-1000L), wall-mounted, horizontal, and slim models. Features efficient insulation technology minimizing heat loss and up to 12-year warranty on inner tanks. Sold through authorized dealers to professional plumbers for residential and commercial installations.
• H\u00f8iax CONNECTED Smart Water Heaters IoT-enabled smart water heater series with smartphone connectivity for remote control and monitoring. Allows users to optimize electricity costs by scheduling heating and integrates with the MyUplink platform for whole-system management.
• Titanium Extreme Eco Premium water heater line featuring titanium-enhanced inner tank technology for extended lifespan and superior corrosion resistance, suited to demanding water conditions and high-duty-cycle use.
• Titanium Expand Eco Expansion tank water heater series with titanium inner tank technology for efficient hot water supply and durability, designed for installations requiring buffering capacity.
• SRS ECO Large-Capacity Water Heaters (Storberedere) Large-capacity water heaters ranging from 300L to 1000L, suitable for larger properties, multi-unit buildings, and commercial applications. Can be connected in series and are designed for easy installation.
• Systemtanker (System & Buffer Tanks) Specialized buffer and accumulator tanks for hot water heating combined with heat pumps. Includes Quadro AS, Titanium IS, Titanium MFA ECO, Quadro ASV, EQS, Titanium VPM Eco, and Titanium Akkum Eco models.
• R\u00f8r-i-r\u00f8r Systemer (Pipe-in-Pipe Systems) Complete pipe-in-pipe systems for residential drinking water installations, manufactured in Norway and developed for Nordic conditions. Features cost-effective, quick PushFit installation. Includes wall boxes, connectors, water pipes, cabinets, brass fittings, ball valves, and tools.
• H\u00f8iax Controls Smart control system for water-based heating combining sleek design with advanced functionality for optimal control and regulation of underfloor heating and radiators. Can be expanded into a complete smart home system with thermostats, gateways, actuators, and connection boxes.
• Vannb\u00e5ren Varme (Water-Based Heating) Complete product range for water-based heating systems including underfloor heating and radiator connections. Includes distributors, heating pipes, shunt valves, thermostats, technical room equipment, and snow melting solutions.
• Pressystemer (Press Fitting Systems) Press fitting systems including copper pipes, Prestabo galvanized, Sanpress Inox stainless steel, and Sanpress products for plumbing connections.
• Lekkasjesikring (Leak Protection) Water leak protection systems including VIWA watersafe and Waterguard products for detecting leaks and preventing water damage in residential and commercial properties.
• Teknisk (Technical Products) Technical plumbing products including Grundfos circulation pumps, technical and prefabricated cabinets, Viega water traps, electric cassettes, clamps, and leak stoppers for professional installations.
• Prefab (Prefabricated Distribution Cabinets) Prefabricated distribution cabinets for streamlined plumbing and heating installations, reducing on-site assembly time.

Quantifiable outcome

• Up to 12 years warranty on inner tank
• +2 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered minor and core.

• Viggo Wahl Pedersen ASminorStrategic or Co-development PartnerRelated company entity mentioned on the Høiax website under 'Om Høiax' section, suggesting a corporate relationship or shared ownership/investment structure.
• EnovaminorOthersEnova is a Norwegian government energy agency that provides subsidies for smart water heaters. Høiax guides customers on how to apply for Enova support for smart VVB (varmtvannsbereder) installations.
• MyUplinkcoreTechnology or IntegrationMyUplink is the connected platform for Høiax CONNECTED smart water heaters, enabling remote monitoring and control. The platform is confirmed to be in normal operation status.

Scale indicators2 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Uponor: Finnish-listed global leader in plumbing and heating systems (PEX pipe, underfloor heating, controls); highly comparable to Høiax's pipe-in-pipe, water-based heating, and Høiax Controls offerings, with overlapping Nordic heritage and installer channel.
• Stiebel Eltron: German specialist in hot water and heating (tank, instant, and heat-pump water heaters); strong in European residential and commercial hot water, with similar product breadth to Høiax in electric and smart water heaters.
• OSO Hotwater: Norwegian stainless steel water heater manufacturer headquartered near Høiax's home market; competes head-to-head in tank and small-capacity electric water heaters, with the deepest product overlap in residential VVB and exports from Norway.
• Ariston Group: Italian global manufacturer of water heaters and heating systems (Ariston, Elco, ATAG brands); competes with Høiax in European markets with comparable electric and gas water heater lines, and is a natural reference point for export expansion.
• Remeha: Dutch manufacturer of heating and hot water solutions (part of BDR Thermea Group); comparable product mix in residential water heaters and heating controls, with overlapping European installer/dealer go-to-market.

Broad incumbents

• Vaillant Group: German heating incumbent (Vaillant, Saunier Duval, Bulex brands) with broad European water-heater and HVAC portfolios; competes in the same European dealers/installers channel and on smart connected heating.
• Bosch Thermotechnology: Division of Bosch producing heating, hot water, and heat-pump solutions across Europe; broad incumbent that competes with Høiax on residential water heaters and integrated heating systems in export markets.
• Nibe Group: Swedish global leader in heating and water heating (Nibe, CTC, Bosch Thermotechnology acquired) and owner of the MyUplink platform on which Høiax CONNECTED depends; offers competing water heaters, buffer tanks, and heat-pump-integrated hot water solutions across Europe.
• Baxi Heating: UK-based heating and hot water manufacturer within the BDR Thermea Group; offers residential and commercial water heaters and integrated heating, comparable to Høiax's portfolio breadth and B2B installer model in European markets.

Regional players

• Metro Therm: Danish manufacturer of stainless steel water heaters and buffer tanks, with strong Nordic and northern European presence; directly comparable in product, material choice, and target customer (Nordic installers and dealers).

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/user/hoiaxas/videos
• Facebookfacebook.com/hoiax/?ref=bookmarks
• Instagraminstagram.com/hoiaxsystems
• LinkedInlinkedin.com/company/h-iax-as

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Høiax