Wallas-Marin

What Wallas-Marin does

Wallas-Marin (Wallas-Marin Oy) is a privately held Finnish manufacturer of off-grid, diesel-powered heating and cooking appliances, headquartered in Kaarina, Finland, and founded in 1972. The company designs and builds air heaters, water heaters, stoves, and convection ovens targeted primarily at marine vessels (boats) and camper vans, with secondary applications in off-grid cabins, trailers, and tiny houses. End products are combustion-based appliances intended for installations where mains gas or shore power is unavailable.

Core technology centers on the proprietary Wallas Greenboost burner, which is engineered to operate on conventional diesel and on renewable diesel (HVO / Neste MY Renewable Diesel), paired with dual brushless fan motors for combustion air and heat distribution. The product family is certified to ISO 9001:2015 and carries E-mark component type approval for European on-road vehicle installation, giving the company a codified regulatory pathway into European RV and camper-van OEM and aftermarket channels.

Wallas-Marin operates a classic niche-OEM business model: it manufactures appliances in Finland and sells through a network of more than 100 dealers and distributors across 35+ countries, with no direct end-consumer e-commerce fulfillment model disclosed. Revenue is driven by unit shipments of appliances and replacement burners to marine yards, RV converters, and cabin builders, with the recent HVO-compatible Greenboost line and the Neste partnership reflecting an offensive shift toward low-emission fuel positioning rather than a defensive restructuring. The company has 11-50 employees and no disclosed external funding rounds.

Name

Wallas-Marin

Legal name

Wallas-Marin Oy

Website

https://wallas.fi

Company type

Private

Founded year

1972

Operating status

Operating

Headcount range

11–50 employees

Short description

Wallas-Marin Oy is a Finnish manufacturer (founded 1972, HQ Kaarina) of off-grid diesel and HVO-compatible heating and cooking appliances, including air heaters, water heaters, stoves, and convection ovens, sold to marine, camper van, and off-grid cabin markets through 100+ distributors across 35+ countries.

Ownership category

akta.pro rank

Product category

Off-grid diesel heating equipment

NAICS

Heating Equipment (except Warm Air Furnaces) Manufacturing (333414)

SIC

Heating Equipment, Except Electric & Warm Air Furnaces (3433)

akta.pro primary industry

Heat Transfer Equipment (Heat Exchangers, Boilers, Condensers) (IMAHAEAC)

akta.pro secondary industry

Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF)

Keywords

• Diesel marine heaters
• Off-grid heating systems
• Camper van heaters
• Diesel cooking stoves
• Renewable diesel burners

Headquarters

HQ city

Kaarina

HQ country

Finland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Diesel Heater Sales: Sale of air heaters, water heaters, and combination stove-heater units for marine, camper van, cottage, and off-grid applications
2. Stove and Oven Sales: Sale of diesel-powered stoves, ovens, and convection ovens including 600D, 1200D, 76D models
3. Accessories and Spare Parts: Sale of accessories such as heat blower lids (230, 260) and spare parts

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Wallas-Marin Oy designs and manufactures diesel-powered off-grid heating and cooking products, including air heaters, water heaters, diesel stoves, convection ovens, and combined stove-heater units, for recreational boats, camper vans, cottages, tiny houses, trailers, and humanitarian applications. The products operate on 12V systems using the proprietary Wallas Greenboost burner, are compatible with traditional and renewable fossil-free diesel (HVO), and are controlled via the Wallas Remote Access mobile app. The company distributes through a global network of over 100 authorized dealers across 35+ countries while maintaining direct factory sales and technical support from Kaarina, Finland.

Product overview

Wallas-Marin offers off-grid heating and cooking solutions primarily for recreational boats, camper vans, trailers, tiny houses, and cottages. The product portfolio includes three main product categories: Air Heaters (Spartan Twin, Spartan Air, Viking, 30 GB, 22 GB, 26 CC, 40 CC), Water Heaters (Viking Water, Spartan Water, 40 EA), and Stoves/Ovens including Stove-Heater Combos (Wallas 76 D Diesel Convection Oven, 1200 D, 600 D, 1200 DUO, 600 DUO, 1200 FF, 600 FF, XC Duo, Nordic DT). Accessories include the 260 and 230 Heat Blower Lids that convert stoves into heaters. The products share core technologies including the Wallas Greenboost burner for ultra-low emissions, 12V off-grid operation with low power consumption, and compatibility with renewable HVO diesel. Smart features are available through the Wallas Remote App for mobile control. The company manufactures in Finland with a focus on durability, sustainability, and performance.

Differentiator

Problem solved

Functional benefit

Brands

• Wallas Greenboost: A burner technology designed to run with traditional and renewable fossil-free diesel, optimized for ultra-low emissions with more efficiency and power.
• Wallas Remote App

Products and services

• Spartan Twin 4.5 kW diesel air heater with smart features and E-mark vehicle approval, compatible with Wallas Remote App for mobile Bluetooth/Wi-Fi control.
• Spartan Air
• Viking Series (Air Heaters)
• 30 GB
• 22 GB
• 26 CC
• 40 CC
• Viking Water
• Spartan Water
• 40 EA
• Wallas 76 D Diesel Convection Oven New diesel convection oven designed for off-grid cooking with upgraded standards, for boats, camper vans, cottages and off-grid dwellings.
• Wallas 1200 D Two-burner 1000-2200W diesel cooker for boats and campervans that boils 1L in 10 minutes, runs on HVO renewable diesel, and converts into a cabin heater with optional 260 blower lid.
• Wallas 600 D Compact diesel stove for boats and vans; boils 1L in 10 minutes, HVO diesel ready, can be used as heater with 230D blower lid accessory.
• Wallas 1200 DUO
• Wallas 600 DUO
• Wallas 1200 FF
• Wallas 600 FF
• XC Duo
• Nordic DT
• 260 Heat Blower Lid
• 230 Heat Blower Lid
• Wallas Remote Access App Easy-to-use mobile application for heater control via short-range Bluetooth wireless connection built into the control panel or through onboard Wi-Fi router for remote access from home.

Quantifiable outcome

• Renewable diesel (HVO) eliminates up to 90% of net CO2 emissions
• +2 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• NestecoreStrategic or Co-development PartnerWallas-Marin has tested its products with Neste to optimize the Wallas Greenboost burner to burn renewable diesel (HVO). Neste MY Renewable Diesel is recommended by Wallas for very cold, even arctic conditions. This partnership enables Wallas products to achieve up to 90% net CO2 elimination when using renewable diesel.

Scale indicators3 records

Recent moves4 records

Expansion highlights4 records

Direct peers

• Eberspächer (incl. Espar): Major manufacturer of vehicle and marine heaters (Airtronic, Hydronic lines). Competes head-to-head with Wallas-Marin across boat, RV, and commercial-vehicle heating with far larger scale and OEM penetration.
• Truma: German specialist in heating, air conditioning, and hot-water systems for caravans, motorhomes, and camper vans. Strongest direct competitor in the European RV/camper segment where Wallas's Viking and Spartan lines also compete.
• Dickinson (Marine Heating Systems): Marine-specific manufacturer of diesel stoves, heaters, and cookers for boats. Closest North American specialty competitor to Wallas's Nordic DT and other marine stove-heater combos.
• Webasto: Global automotive and marine heating, cooling, and roof systems supplier. Directly competes with Wallas-Marin in diesel and gasoline-powered air and water heaters for boats and camper vans, and supplies many of the same OEM converter channels.

Broad incumbents

• Dometic: Global RV and marine systems supplier with broad HVAC, cooking, and sanitation portfolios. Touches Wallas-Marin's market via RV water heaters, cabin heating, and galley appliances, though not a direct combustion-heater specialist.
• Force 10 Marine (Taylor Made): Established North American marine stove and heater brand within Taylor Made Products. Competes in the marine galley/stove segment that overlaps with Wallas's Nordic DT and 76D/1200D ranges.

Emerging players

• Autoterm (Planar): Russian-origin maker of compact diesel air heaters (Planar/Binar) popular in camper vans, overlanders, and marine retrofit. Overlaps with Wallas's small-format diesel heater range at typically lower price points.
• Propex Heaters (UK): UK-based manufacturer of gas, diesel, and electric heaters for camper vans, marine, and off-grid applications. Comparable product mix to Wallas's cottage and RV offerings, with growing focus on low-emission combustion and electric heating.

Others

• Neste (partner/adjacent): Producer of MY Renewable Diesel (HVO) and Wallas-Marin's named fuel partner. Not a competitor, but a strategic ally whose fuel-supply decisions directly shape the HVO-compatibility value proposition of every Greenboost burner.

Regional players

• Reflextherm / Reflex Marine: Regional marine heating specialist offering diesel and electric cabin heaters primarily in the European boating market. Overlaps with Wallas's small and mid-size marine heater portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/Wallas_Marin
• Facebookfacebook.com/wallas.fi
• LinkedInlinkedin.com/company/wallas-marin-oy

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

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 Wallas-Marin