Demirdöküm

Name

Demirdöküm

Legal name

TÜRK DEMİR DÖKÜM FABRİKALARI A.Ş.

Website

https://demirdokum.com.tr

Company type

Private

Founded year

1954

Operating status

Operating

Headcount range

501–1,000 employees

Ownership category

akta.pro rank

Headquarters

HQ city

Istanbul

Offices7 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Heating Equipment Sales: Sale of boilers, radiators, heat pumps, air conditioners, and related heating/cooling equipment to residential and commercial customers through authorized dealers
2. After-Sales Service: Warranty services, maintenance, repair, and first startup services through authorized service network across Turkey
3. Project and System Solutions: Turnkey system delivery and engineering services for large-scale heating and cooling projects

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels6 records

Core offering

DemirDöküm manufactures and sells heating, water heating and air conditioning equipment, including condensing boilers, panel and cast iron radiators, heat pumps, VRF and split air conditioners, and gas/electric water heaters for residential and commercial customers. The products are sold through an authorized dealer and service network in Turkey, supported by a customer contact center, after-sales service infrastructure, and the DemirClub loyalty program, with export to nearly 40 countries.

Product overview

DemirDöküm is Turkey's leading heating, water heating, and air conditioning brand, established in 1954 and operating under the Vaillant Group since 2007. The company offers a comprehensive product portfolio organized around core product categories: condensing boilers (nitromiX ioni, ademiX, vintomiX, isomiX, hermetic nitromiX) for residential heating with capacities ranging from 24-35 kW; commercial boilers (MaxiPremix, MaxiCondense) for larger applications up to 150 kW; air conditioners including A7 Inverter, KION, and commercial floor-standing models; heat pumps (MaxiAir R32 Split and MaxiAir Plus Mono) using R32 and R290 refrigerants; DVS 5 VRF systems for commercial applications with capacities up to 88 HP; panel radiators, cast iron radiators (Perkolon, Nostalgia), and bathroom towel warmers (Banyopan/Havlupan); water heaters including DT4 Titanium thermosiphons, hermetic water heaters, and electric instant heaters; and smart control accessories like MiGo Connect WiFi thermostat. The products are supported by extensive service networks, authorized dealers, and the DemirClub loyalty program, with manufacturing facilities in Bozüyük, Bilecik.

Differentiator

Problem solved

Functional benefit

Products and services

• DemirDöküm nitromiX ioni Wall-Type Condensing Boiler Premium wall-type condensing boiler with ioni technology that optimizes the air-gas mixture based on variable gas quality. Features A+ energy efficiency, 1:10 modulation ratio, and capacities of 24, 28, and 34 kW for residential heating and hot water.
• New ademiX Condensing Boiler (Yeni ademiX Yoğuşmalı Kombi) Compact wall-type condensing boiler with a stainless steel premix heat exchanger, 1:7 modulation ratio, A-class energy efficiency, and Good Design award-winning industrial design. Available in 24 kW and 28 kW capacities for residential heating and hot water.
• New vintomiX Condensing Boiler (Yeni vintomiX Yoğuşmalı Kombi) Wall-type condensing boiler featuring a modern touch-sensitive control panel, combining aesthetic design with advanced performance for residential heating and hot water.
• DemirDöküm isomiX Wall-Type Condensing Boiler Wall-type condensing boiler with 1:10 modulation capability, 30 kW heating and 35 kW hot water capacity, designed for maximum residential comfort.
• DemirDöküm nitromiX Wall-Type Hermetic Condensing Boiler Hermetic condensing boiler with stainless steel premix heat exchanger, ERP-compliant A-class efficiency, and natural gas savings for residential heating and hot water.
• DemirDöküm MaxiPremix 100–150 kW Commercial Condensing Boiler Wall-type condensing commercial boiler with up to 150 kW capacity, programmable features, and advanced condensation technology for commercial heating applications such as apartment buildings and small commercial facilities.
• DemirDöküm MaxiCondense 48–65 Commercial Boiler Wall-type condensing boiler with premix heat exchanger, eco-friendly design, high energy efficiency, low consumption, and A+ seasonal efficiency ratings for commercial heating.
• DemirDöküm A7 Inverter Air Conditioner High energy efficiency inverter air conditioner with A++ rating across all capacities, R32 refrigerant, 3D airflow, 7-level fan speed, and WiFi remote control capability for residential climate control.
• A420 FI Floor-Standing Air Conditioner Commercial floor-standing air conditioner for large spaces with 3D moving diffuser vanes, auto restart, rapid cooling, and programmable features.
• KION Inverter Air Conditioner Budget-friendly inverter air conditioner with A++ seasonal efficiency, multiple capacity options, and eco-friendly design for residential cooling and heating.
• DVS 5 VRF Systems Complete Variable Refrigerant Flow air conditioning system family with outdoor units (Heat Pump VRF, Mini VRF, Slim VRF) and various indoor unit types (cassette, duct, wall-mounted, console, fresh air) with capacities from 2.2 to 88 HP for commercial applications.
• DemirDöküm MaxiAir R32 Split Heat Pump Split-type air-to-water heat pump with A+++ energy class, R32 refrigerant, DC inverter compressor, high COP and EER performance, and built-in chassis resistance for uninterrupted operation in harsh winter conditions, providing heating, cooling, and domestic hot water.
• DemirDöküm MaxiAir Plus Mono Heat Pump Monoblock air-to-water heat pump featuring R290 (propane) refrigerant with A+++ seasonal efficiency ratings, quiet operation, and intelligent hybrid management system for residential heating, cooling, and hot water.
• Panel Plus 25mm Radiator Panel radiator with 25 mm pitch, high thermal power, 10-year warranty, and various length options for residential heating.
• Panel Radiator 33mm 33mm panel radiator delivering higher thermal output for larger spaces with EN 442 standard compliance.
• Perkolon Cast Iron Radiator Cast iron sectional radiator delivering maximum efficiency, superior quality, and long-lasting performance for residential and commercial heating.
• Nostalgia Cast Iron Radiator Decorative cast iron radiator with nostalgic appearance combining classic aesthetics with modern heating technology.
• DemirDöküm Banyopan / Havlupan Bathroom Towel Warmer Bathroom towel warmer with modern aesthetic design, high corrosion resistance, and EN 442 standards compliance for bathroom heating.
• DemirDöküm DT4 Titanium Water Heater (Termosifon) Premium electric storage water heater with high energy savings, long life, high efficiency, and expert safety systems for residential domestic hot water supply.
• DemirDöküm DT4 Titanium Digital Water Heater (Termosifon) Digital electric storage water heater with digital display, turbo heating, and multiple capacity options for residential domestic hot water.
• DT4 Premium Water Heater (Termosifon) Premium electric storage water heater with smart usage feature providing optimal hot water comfort and energy savings, available in 50L, 65L, and 77L capacity options.
• DemirDöküm Hermetic Instant Gas Water Heater (Şofben) Hermetic instant gas water heater providing high hot water comfort with eco-friendly design, multiple capacity options, compact dimensions, and superior safety systems for residential domestic hot water.
• DemirDöküm DDEI Electric Instantaneous Water Heater Electric instantaneous water heater providing fast hot water with 3-level hot water settings and superior safety features for residential point-of-use applications.
• DemirDöküm MiGo Connect Smart Room Thermostat Wi-Fi-enabled smart room thermostat connecting users to their boiler via smartphone for remote temperature and hot water control, with learning capabilities and multi-user support.
• DemirClub Loyalty Program Customer loyalty and membership program offering exclusive benefits, promotions, and after-sales services to registered DemirDöküm product owners.
• Authorized After-Sales Service (Warranty, Maintenance, Repair, First Startup) Nationwide authorized service network providing warranty services, scheduled maintenance, repair, and first-startup of boilers, heat pumps, water heaters, and air conditioners purchased by Turkish residential and commercial customers.

Quantifiable outcome

• COP 4 performance - 1 unit electricity produces 3-4 units of heat energy
• +2 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Two partnerships are on record, tiered minor.

• Rabien Energy (Germany)minorStrategic or Co-development Partner · 1 January 2006Cooperation agreement signed in 2006 for micro cogeneration units with German company Rabien Energy.
• York (USA)minorStrategic or Co-development Partner · 1 January 2002Strategic partnership signed in 2002 for system air conditioning products with American York company.

Scale indicators5 records

Recent moves11 records

Expansion highlights6 records

Direct peers

• Immergas: Immergas is an Italian specialist in condensing boilers and hydronic heating systems, with strong Mediterranean and Eastern European footprint. It is a direct peer in the residential boiler category and increasingly in heat pumps where Immergas has launched parallel product families.
• Viessmann: Viessmann is a German manufacturer of heating, industrial and refrigeration systems, with a strong European footprint in condensing boilers, heat pumps, and renewable heating. It directly competes with DemirDöküm in higher-end residential and light-commercial projects in Türkiye and export markets.
• Baymak: Baymak is Türkiye's other leading heating and air-conditioning brand and operates as DemirDöküm's closest head-to-head competitor in the Turkish condensing-boiler, radiator, and HVAC market. Owned by BDR Thermea Group since 2013, Baymak competes on identical product categories, dealer networks, and project sales channels.
• Ferroli: Ferroli is an Italian heating brand producing residential and commercial condensing boilers, water heaters, and related equipment, with established distribution in Türkiye and other DemirDöküm export markets. It competes directly on condensing-boiler price-performance.
• BDR Thermea Group (Baxi, De Dietrich, Remeha): BDR Thermea is a European heating conglomerate combining brands including Baxi, De Dietrich, and Remeha, and operates in Türkiye through Baymak. It is the parent of DemirDöküm's closest domestic rival and competes with DemirDöküm in residential heating, hot water, and increasingly in heat pumps.
• Ariston Group: Ariston Group is an Italian multinational producing boilers, water heaters, heat pumps, and air conditioners under the Ariston, ELCO, ATAG, and other brands. It competes directly with DemirDöküm across the same condensing-boiler and water-heating categories and has been expanding into heat pumps globally.
• Bosch Thermotechnology (Bosch Home Comfort): Bosch Thermotechnology is a global manufacturer of residential condensing boilers, heat pumps, and air-conditioning systems with a strong direct presence in Türkiye. It is one of the principal global competitors to DemirDöküm's core residential heating portfolio and brings deeper R&D and broader international reach.
• ECA (a brand of Elmor): ECA is a Turkish heating, air-conditioning, and sanitary-ware brand directly competing with DemirDöküm in residential boilers, water heaters, and radiators in the domestic Turkish market. It is highly comparable as a same-market, same-category competitor.

Broad incumbents

• Vaillant Group: Vaillant Group is the German parent company that owns DemirDöküm and is among the largest privately-held heating technology groups globally. It is comparable as a BROAD_INCUMBENT because it operates DemirDöküm alongside other Vaillant brands in the same residential heating category across overlapping geographies.
• Daikin: Daikin is the global leader in air-conditioning, VRF, and heat pump technology and competes with DemirDöküm in the air-conditioner, VRF, and heat-pump product categories where DemirDöküm's A7 Inverter and DVS 5 VRF lines operate. It is a BROAD_INCUMBENT given its much larger global R&D and scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/demirdokum
• YouTubeyoutube.com/demirdokumtv
• Facebookfacebook.com/DemirDokumTR
• LinkedInlinkedin.com/company/9314132
• Instagraminstagram.com/demirdokumTR

Compliance9 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 Demirdöküm