What Domusa Teknik does

Domusa Teknik, legally DOMUSA CALEFACCIÓN S.COOP, is a Spanish worker-owned cooperative founded in 1976 and headquartered in Errezil (Gipuzkoa, Basque Country), where it manufactures heating, cooling, and domestic hot water equipment. It is an integral member of the MONDRAGON Corporation (95 cooperative enterprises) since 1999. The company sells a broad product portfolio spanning aerothermal heat pumps (Dual Clima HT PRO with R290 natural refrigerant, NANOCLIMA 100% indoor heat pump), biomass boilers (Bioclass IC pellet line, DualTherm mixed-fuel, Lignum NG wood gasification), hybrid systems combining heat pumps with gas or biofuel condensing boilers, gas and oil condensing boilers, solar thermal systems, electric boilers, thermodynamic water heaters, buffer tanks, and stainless-steel DHW cylinders. Proprietary hydraulic modules (ACQUA, FUSION) and the Easy Connect controller tie the heat pump line together, and the iConnect mobile app provides remote control and consumption monitoring.

Domusa Teknik does not sell directly to end consumers. It operates a professional channel model: products are specified by prescribers (architects, engineers) and installed by certified installers, supported by the Domusa Teknik Academy training platform and a CAE (Energy Efficiency Advisor) program. Distribution is through an official technical service network covering all 47 Spanish provinces, plus named distributor partnerships in France (PARTEDIS with 30+ agency locations, PPC Group, ECS MAGASIN, PIÈCES EXPRESS), Italy, and Poland (Wentor). Revenue is generated primarily through hardware sales of complete heating/cooling systems and a secondary stream of after-sales service, commissioning, warranty, and spare parts. Pricing is quote-based through installers and not publicly disclosed, with CAE-linked government incentives available for customers replacing fossil-fuel boilers.

The company is privately held under Spanish cooperative law, holds ISO 9001, ISO 14001, ISO 45001, EN-303-5 Class 5, and ErP certifications, and received the Basque A d'Or de Gestion Avancée gold award in 2020. With 51-100 employees, multi-country European distribution, and ongoing investment in aerothermal manufacturing capacity (integrated 2025) ahead of its 50th anniversary in 2026, Domusa Teknik is a mid-sized, regional specialist positioned for the European heat pump transition but operating at significantly smaller scale than global HVAC majors.

Name

Domusa Teknik

Legal name

DOMUSA CALEFACCIÓN S.COOP

Website

https://domusateknik.com

Company type

Private

Founded year

1976

Operating status

Operating

Headcount range

51–100 employees

Short description

Domusa Teknik is a Spanish cooperative that manufactures and distributes aerothermal heat pumps, biomass boilers, condensing boilers, and solar/hybrid heating systems through professional installer networks across Spain, France, Italy, and Poland, with operations housed within the MONDRAGON Corporation.

Ownership category

akta.pro rank

Product category

Heating, Cooling & Hot Water Equipment

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Power Boiler and Heat Exchanger Manufacturing (332410), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Heating Equipment, Except Electric & Warm Air Furnaces (3433)

akta.pro primary industry

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

akta.pro secondary industries

Refrigeration Components & Controls (Compressors, Valves, Sensors) (IMAHAKAH), Compressors, Refrigeration Components & Condensing Units (IMADANAG)

Keywords

• Aerothermal heat pumps
• Biomass boilers
• Heating equipment manufacturing
• Solar thermal systems
• Domestic hot water

Headquarters

HQ city

Errezil

HQ country

Spain

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Heating and Cooling Equipment Sales: Domusa Teknik generates primary revenue through the manufacture and sale of heating, cooling, and hot water systems including heat pumps (aerothermia), biomass boilers (pellet, wood, mixed), gas and oil condensing boilers, solar thermal systems, electric boilers, water heaters, and buffer tanks. Products are sold through professional installer networks and distributors.
2. After-Sales Service and Spare Parts: Revenue generated through extensive network of official technical service providers and spare parts distributors across Spain and France. Includes warranty registration services, technical documentation, and commissioning request processing.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

Domusa Teknik manufactures and distributes heating, cooling, and domestic hot water equipment under multiple product lines including aerothermal heat pumps (Dual Clima series, NANOCLIMA), biomass boilers (Bioclass pellet and wood lines, DualTherm, Lignum NG), hybrid systems (Fusion Hybrid), gas and biofuel condensing boilers, electric boilers, solar thermal systems, water heaters, and buffer tanks. The company sells exclusively through a network of professional installers and certified distributors across Spain and France, with training support via the Domusa Teknik Academy. Products are manufactured in Errezil, Spain under ISO 9000, ISO 14000, and ISO 45001 certifications.

Product overview

Domusa Teknik is a Spanish heating, cooling, and domestic hot water equipment manufacturer offering a comprehensive portfolio of renewable energy solutions. The product portfolio centers on high-temperature heat pump systems (Dual Clima HT PRO with ACQUA and FUSION hydraulic modules), biomass boilers (Bioclass IC pellet/wood lines, DualTherm mixed fuel, Lignum NG wood gasification), hybrid systems (Fusion Hybrid combining heat pumps with gas/biofuel boilers), gas and biofuel condensing boilers, electric boilers and water heaters, thermodynamic hot water systems (HYDREA), indoor heat pumps (NANOCLIMA), buffer tanks, DHW cylinders, and the iConnect smartphone connectivity application. Products are manufactured in Spain (Basque Country) with ISO certifications and distributed primarily in Europe through a network of partners.

Differentiator

Problem solved

Functional benefit

Brands

• Dual Clima: Heat pump product line including Dual Clima HT PRO, Dual Clima HT EC PRO, and Dual Clima R models for heating, cooling, and domestic hot water.
• ACQUA
• NANOCLIMA
• Bioclass
• iConnect

Products and services

• Dual Clima HT PRO Heat Pump High-temperature air-to-water heat pump offering heating, cooling, and domestic hot water production. Monobloc design with R290 natural refrigerant (GWP of 3), delivering water temperatures up to 75°C for compatibility with existing radiator systems. Available in 6 power ratings (6, 9, 12, 16, 19, 22 kW) with SCOP up to 6.4 and A+++ energy rating at both 35°C and 55°C. Designed for residential installations by professional installers.
• Dual Clima HT EC PRO Heat Pump High-temperature heat pump with Easy Connect module for ModBus connection and integrated iConnect app connectivity. Designed for heating, cooling, and domestic hot water production in residential applications.
• Dual Clima R Heat Pump Air source heat pump for heating, cooling, and domestic hot water production. Standard efficiency model for residential applications.
• NANOCLIMA Indoor Heat Pump 100% indoor air-to-water heat pump without external unit. Delivers high temperature up to 75°C for heating using natural refrigerant with low GWP. 4kW capacity with optional iConnect connectivity. A++ rated. Ideal for installations where exterior units are not feasible. NANOCLIMA HDX variant includes integrated stainless steel DHW cylinder.
• Bioclass IC Pellet Boilers Biomass pellet boiler product line including Bioclass IC, Bioclass IC V (room sealed flue), Bioclass IC DX (with stainless steel cylinder), Bioclass IC+DR (with feed hopper), and Bioclass IC 66 (66 kW). Features internet connectivity via iConnect app, auto-cleaning, and Flame Logic electronic combustion control. Power range 12-45 kW for residential heating applications.
• Bioclass HC Biomass Boiler Class 5 certified biomass boiler per EN-303-5 standard. Features cascade system, electronic power modulation, and power range 91-132 kW for larger commercial or multi-residential applications.
• Bioclass HM OD Outdoor Biomass Boiler Outdoor biomass boiler designed for exterior installation. Power 16 and 25 kW for residential heating applications where indoor installation is not feasible.
• DualTherm Mixed Fuel Boiler Mixed wood pellet and log boiler with automatic fuel switching. Includes pellet hopper, auto-cleaning of burner and flues for residential heating flexibility.
• Lignum NG Wood Gasification Boiler Wood gasification boiler with 92% efficiency, electronic modulation, and large loading autonomy. Power range 20-40 kW for residential wood heating applications.
• Fusion Hybrid Gas Condens System Hybrid heat pump system combining aerothermal heat pump with gas condensing boiler. Heating up to 80°C, DHW up to 65°C, with stainless steel DHW cylinder. Power 6, 9, 12 kW for residential hybrid heating applications.
• Fusion Hybrid Oil System Hybrid heat pump system combining aerothermal heat pump with biofuel condensing boiler. Power 9 and 12 kW for residential hybrid heating applications using biofuel.
• Avanttia NG Gas Condensing Boiler Floor-standing gas condensing boiler with stainless steel DHW cylinder 120/150L. Efficiency over 108%, GAS ADAPTATIVE combustion control, modulation 1:10, Low NOx Class 6. Power 24, 28, 33 kW for residential gas heating applications.
• Biofuel Condensing Boilers (Jaka HFD Condens, MCF HDX Condens, Prima Condens, MINNY) Range of cast iron biofuel condensing boilers including Jaka HFD Condens (heating only), MCF HDX Condens (with optional flue gas vent, 20-40 kW), Prima Condens HFC and HFDX (heating only or with DHW), and MINNY (compact biofuel condensing boiler). High efficiency, low temperature operation for residential biofuel heating.
• Biofuel Boilers (Jaka HFD, MCF HDX, Sirena, Terma, Jaka HFDX, Jaka HFS) Standard efficiency cast iron and steel biofuel boiler range including Jaka HFD (30-60 kW), MCF HDX (27-49 kW), Sirena CAL (26-36 kW), Terma HSB/HDX, Jaka HFDX, and Jaka HFS (26-80 kW). Provides heating and DHW production for residential applications.
• HDCSM / HDCS Electric Boiler Electric boiler with instant DHW production. Wall-mounted and floor-standing versions. Thermal/electrical safety, stainless steel cylinder. Power 4.5-21 kW for residential electric heating and hot water.
• HDEEM / HDEE Electric Boiler Electric boiler for heating only. Wall-mounted and floor-standing versions with integrated hydraulic equipment for residential electric heating applications.
• Hydrinox / HYDRINOX 500 Electric Water Heater Stainless steel electric water heater. Floor (150-500L) and wall (150-200L) versions. High-density polyurethane foam insulation for residential hot water storage.
• HYDREA Thermodynamic Water Heater Thermodynamic hot water heat pump for DHW production, available in 150L and 200-280L capacities. Integrated Wi-Fi connectivity, water accumulation up to 70°C, Duplex 2205 accumulator. 5 operating modes and weekly programming for residential hot water.
• DOMESTIC Oil Burners Oil burners with spray atomization. Models DOMESTIC D3/D4 (17-55 kW) and DOMESTIC D6/D10 (52-116 kW) for residential and light commercial oil-fired heating applications.
• Solar Thermal Systems Solar thermal systems for residential hot water production and heating support, meeting HE4 requirements of Spanish Technical Building Code for renewable energy hot water production.
• Sanit DHW Cylinders Stainless steel domestic hot water cylinder range including Sanit DC, Sanit DCE (double jacket with optional electric resistance), Sanit GR (rectangular), Sanit S (coil heat exchanger), Sanit HG (rectangular double jacket), and Sanit SE variants for residential hot water storage with boilers.
• BT Buffer Tanks Buffer tanks for closed cooling and heating circuits used with heat pumps. Includes BT 50-1000L (storage capacity), BT DUO (with integrated stainless steel sanitary cylinder, 150-1000L), and BT DUO HE (60L buffer with 180L sanitary pocket) for residential heating and DHW primary storage.
• iConnect Smart Connectivity App Mobile application for smartphone connectivity compatible with Bioclass IC, Bioclass IC V, Bioclass IC+DR, and Bioclass IC 66 pellet boiler models. Enables remote temperature management, equipment adjustment, scheduling, historical consumption review, and personalized efficiency recommendations. Available on iOS App Store and Google Play.

Quantifiable outcome

• Energy consumption reduction of up to 70% compared to traditional fossil fuel boiler systems
• +4 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

Six partnerships are on record, tiered core, regional and major.

• MONDRAGON CorporationcoreStrategic or Co-development Partner · 1 January 1998Domusa Teknik has been an integral part of MONDRAGON Corporation since 1998. The corporation comprises 95 autonomous and independent cooperative enterprises operating globally. MONDRAGON has production subsidiaries and delegations in 41 countries and sells in over 150 countries. This partnership provides Domusa Teknik with financial stability, cooperative values alignment, and international market access.
• Wentor sp. z o.o.regionalChannel Partner/ Reseller/ DistributorPolish importer and distributor of Domusa Teknik products. Located at Słowackiego 4C, 68-200 Żary, Poland. Handles distribution and support for Domusa Teknik heating solutions in the Polish market.
• PARTEDISmajorChannel Partner/ Reseller/ DistributorMajor French distributor network with over 30 agency locations across France including Bordeaux, Paris, Lyon, Marseille, Toulouse, Nantes, Rennes, and other major cities. Provides spare parts and technical support for Domusa Teknik products throughout France.
• PPC Group (Groupe PPC)majorChannel Partner/ Reseller/ DistributorFrench distributor network with 11+ agency locations covering Valence, Lyon, Paris, Marseille, Nice, Montpellier, Rouen, and other major regions. Headquartered in Saint Marcel near Valence.
• ECS MAGASINregionalChannel Partner/ Reseller/ DistributorSpecialized distributor located at 252 Rue Haute des Banchais, 49100 Angers, France. Provides local distribution services for Domusa Teknik products in the Pays de la Loire region.
• PIÈCES EXPRESSregionalChannel Partner/ Reseller/ DistributorExpress parts distributor located at 1 rue Philippe Lebon, ZA Henri Spriet, 14120 Mondeville, France. Specializes in rapid delivery of spare parts for Domusa Teknik heating equipment.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Viessmann: German heating manufacturer offering condensing boilers, heat pumps, biomass, and solar thermal. Closely comparable product portfolio to Domusa Teknik, including high-temperature heat pumps, though at much larger scale and broader geographic reach.
• Vaillant: Vaillant is a major European heating OEM headquartered in Germany with broad portfolios across gas boilers, heat pumps, and hybrid systems. Overlaps with Domusa Teknik's heating/heat pump offering but operates at significantly larger scale and broader European footprint.
• Wolf (part of Bosch): European heating OEM offering condensing boilers, heat pumps, and solar thermal systems. Recently integrated into Bosch Thermotechnology, it competes with Domusa Teknik in residential and small commercial heating across southern Europe.
• Bosch Thermotechnology: Division of Bosch producing heating, hot water, and air conditioning systems across Europe. Competes head-to-head with Domusa Teknik in heat pumps, condensing boilers, and hybrid systems, with significantly larger R&D and marketing resources.
• Daikin: Global leader in heat pumps and air conditioning. Daikin's Altherma range directly competes with Domusa Teknik's Dual Clima HT in European residential heating, with substantially greater R&D investment, refrigerant technology, and global distribution.
• Mitsubishi Electric: Major player in air-to-water heat pumps (Ecodan) and VRF systems across Europe. Competes with Domusa Teknik on residential aerothermal heat pumps, with much larger installed base and brand recognition in cooling/heating category.

Direct peers

• Baxi (BDR Thermea Group): European heating manufacturer under BDR Thermea Group selling boilers, heat pumps, and hybrid systems through installer networks. Particularly relevant peer given similar mid-market positioning and distribution-led go-to-market model.
• Fröling: Austrian manufacturer specializing in biomass boilers (pellet, wood chip, log) for residential and small commercial markets. Directly comparable to Domusa Teknik's Bioclass and DualTherm biomass lines, with similar channel and end-customer focus.
• Ferroli: Italian-headquartered heating manufacturer with strong presence in Spain, Italy, and southern Europe. Competes with Domusa Teknik on boilers, heat pumps, and solar thermal distributed through professional installer networks — particularly in Mediterranean markets.
• Saunier Duval: Part of the Vaillant Group, Saunier Duval is a leading heating and hot water brand in Spain and France — Domusa Teknik's core markets. Both companies sell boilers, heat pumps, and solar thermal through installer networks and target residential retrofit, making them direct competitors in Iberia.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/DomusaTV
• LinkedInlinkedin.com/company/domusateknik
• Xx.com/domusateknik
• Facebookfacebook.com/100086129266738

Compliance7 records

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 Domusa Teknik