WindowMaster

What WindowMaster does

WindowMaster International A/S is a Denmark-headquartered, Nasdaq First North Copenhagen-listed manufacturer of automated window and façade systems for commercial buildings. The company's product range centers on a modular architecture of chain and spindle window actuators (WMU/WMX series), MotorControllers in 6A/10A/20A capacities (WCC 310/320 UL lines), and environmental sensors, unified by its proprietary MotorLink® two-way digital communication protocol, TrueSpeed™ variable speed control (1–10 mm/sec, whisper-quiet 21 dB(A) operation), and obstacle-detection safety features. Integration with building management systems is enabled across BACnet, KNX, Modbus, and io-homecontrol protocols, with regulatory certifications (UL 325 in North America; EN 12101-10, ISO 21927-9, NF 537, NF S 61-938 in Europe) supporting safety-critical smoke and heat ventilation deployments.

The company monetizes primarily through specification-driven project sales of hardware and integrated control systems, priced per project rather than via public list pricing, and supported by an indirect channel of certified distributor, installer, and service partners supplemented by direct project sales from offices in Denmark, the UK, Germany, Switzerland, Norway, the US, and Australia. Revenue streams break into window actuators and controllers, natural and mixed-mode ventilation systems, UL 325-certified smoke and heat ventilation systems, and professional services including specification support and geometric free-area calculations. Customer concentration is distributed across commercial buildings, education (City of Glasgow College, Harvard HouseZero, UCL, MECD), healthcare (Augusta University Cancer Research Center), and commercial real estate (Plaza of the Americas). Strategic posture is defined by a 2021 acquisition of Climatic, a recent Australia entry via Blue Squared, a NorDan co-development partnership for EN 12101-2 smoke vents, and a new cloud-adjacent NV Embedded control layer.

Name

WindowMaster

Legal name

WindowMaster International A/S

Website

https://windowmaster.com

Company type

Public

Founded year

1990

Operating status

Operating

Headcount range

101–250 employees

Short description

WindowMaster International A/S, headquartered in Denmark and listed on Nasdaq First North Copenhagen, designs and manufactures automated window actuators, MotorControllers, sensors, and integrated control systems for natural and smoke ventilation in commercial, educational, healthcare, and industrial buildings.

Ownership category

akta.pro rank

Product category

Building Automation / Facade Ventilation Systems

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Auto Controls For Regulating Residential & Comml Environments (3822)

akta.pro primary industry

Controls, Thermostats, Sensors & Building Automation (HVAC Controls) (IMADANAH)

akta.pro secondary industries

HVAC Controls & Optimization (Smart Thermostats, VAV, Chillers/Boilers Controls) (BPABAGAB), Building Automation & Controls (BAS/BMS, HVAC Controls) (IMAIABAD)

Keywords

• Natural ventilation systems
• Smoke ventilation systems
• Window automation
• Facade automation
• Building ventilation controls

Headquarters

HQ city

Vedbæk

HQ country

Denmark

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Window Actuators and Controllers: Sale of hardware products including chain actuators, spindle actuators, controllers, sensors, and accessories for window and façade automation systems. Products are sold directly and through certified distributor and installer partners globally.
2. Natural and Mixed Mode Ventilation Systems: Complete control systems for natural and hybrid ventilation in commercial buildings, including specification, product supply, and integration with building management systems.
3. Smoke and Heat Ventilation Systems: UL 325 certified window actuators and MotorControllers for smoke control applications in commercial buildings, integrated with fire life safety systems.
4. Professional Services: Technical consultation, specification support, and project assistance for ventilation solutions including geometric free area calculations and actuator selection.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels8 records

Core offering

WindowMaster designs, manufactures, and supplies motorized window actuators, MotorControllers, sensors, and accessories that automate the opening and closing of windows for natural/mixed-mode ventilation and certified smoke and heat exhaust ventilation (SHEV) in commercial, educational, healthcare, and industrial buildings. Their portfolio is built around the proprietary MotorLink® digital communication protocol and TrueSpeed™ variable-speed control, enabling precise, two-way integration with Building Management Systems via BACnet, KNX, and Modbus.

Product overview

WindowMaster is a facade automation company specializing in natural ventilation and smoke ventilation systems for buildings. Their product portfolio consists of a modular system architecture combining: (1) Window Actuators (chain and spindle types in various sizes and force ratings) as the core motorized components that physically open/close windows; (2) MotorControllers (available in 6A, 10A, and 20A capacities with touch screen or standard variants) that serve as the central control units managing power supply and actuator coordination; (3) Sensors and Detectors (wind/rain sensors, room thermostats) that provide environmental data for automated ventilation decisions; (4) Accessories including fieldbus cards (WCA 3FK 0102 for KNX, WCA 3FM for BACnet/MSTP/Modbus) enabling building management system integration, keypads for manual control, and mounting hardware. The NV Embedded indoor climate solution provides mobile app and cloud-based control. All products support MotorLink proprietary 2-way communication technology for real-time status feedback and precise opening control.

Differentiator

Problem solved

Functional benefit

Products and services

• Window Actuators
• MotorControllers
• Sensors and Detectors
• NV Embedded
• WMU 836 Chain Actuator
• WCC 320 PLUS UL MotorController
• WCC 320 STANDARD UL MotorController
• WCC 310 PLUS UL MotorController
• WCC 310 STANDARD UL MotorController
• WCC 106 UL MotorController
• WLA 330 01 Wind and Rain Sensor
• WLA 110 01 Room Thermostat
• Break Glass Units

Quantifiable outcome

• Quiet operation at 21 dB(A) for medium chain actuators
• +2 more outcomes

Named customers6 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature4 records

Partnerships

Three partnerships are on record, tiered core and minor.

• Logical Solutions Inc.coreImplementation/ SI/ Consulting PartnerLocal integration partner for WindowMaster window automation systems in North America. Logical Solutions Inc. provided integration services for the Plaza of the Americas project in Dallas, integrating WindowMaster actuators with the existing BMS system.
• NorDancoreStrategic or Co-development PartnerCollaboration between NorDan and WindowMaster for smoke ventilation solutions. Products are tested and certified together for EN 12101-2 compliance, with NorDan providing the window systems and WindowMaster providing the actuator and control technology.
• Blue SquaredminorChannel Partner/ Reseller/ DistributorAustralian distribution partnership bringing WindowMaster natural and smoke ventilation products to the Australian market.

Scale indicators3 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Sauter: Swiss-based BMS and room automation vendor (part of the Sauter group) covering HVAC control, valve and damper actuators, and integrated building automation. Comparable to WindowMaster in mid-sized European BAS projects with overlap on HVAC controllers and integration protocols.
• Belimo: Swiss-listed global market leader in HVAC actuator and damper actuator technology with extensive BMS integration (BACnet, KNX, Modbus). Highly comparable to WindowMaster's actuator + controller business, though Belimo is much larger and broader in HVAC rather than facade-specific.
• Kieback&Peter: German mid-market BMS and building automation specialist with a long history in HVAC control, smoke ventilation, and room automation. Comparable in size and product scope to WindowMaster in European building automation projects.
• D+H Mechatronic: German-based manufacturer of window and facade actuators, smoke and heat exhaust systems, and natural ventilation controllers. Now part of the ASSA ABLOY group, it is the closest direct competitor to WindowMaster in Europe with overlapping chain/spindle actuator ranges and SHEV certifications.
• GEZE: German family-owned specialist in door, window and facade drive technology with strong smoke and heat extraction (RWA) and natural ventilation portfolios. Directly comparable to WindowMaster in building automation for window opening and smoke ventilation.

Broad incumbents

• Johnson Controls: Global building technology company offering Metasys BMS, fire detection, and HVAC controls. A broad incumbent whose integrated platform can subsume components of WindowMaster's value proposition on large commercial projects.
• Siemens Smart Infrastructure: Major BAS/BMS, fire safety, and HVAC controls vendor. Competes indirectly by offering Desigo and other building platforms that include or can integrate with third-party window actuator subsystems like WindowMaster.
• Honeywell Building Technologies: Global building automation giant with BMS, fire/life safety, and integrated HVAC control offerings. Represents a broad incumbent that competes with WindowMaster through larger, integrated BAS bundles on commercial projects.
• Schneider Electric: EcoStruxure platform vendor for building automation and energy management. Competes as a broad incumbent through integrated BMS/HVAC solutions that can absorb or replace specialist window ventilation subsystems.

Regional players

• Azbil Corporation: Japanese building automation company with strong presence in Asia-Pacific. Operates as a regional BMS/HVAC peer with comparable products but limited overlap with WindowMaster in Europe and North America.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCnwXdbiooQEWFlORTzQ-KNA
• Facebookfacebook.com/windowmaster
• LinkedInlinkedin.com/company/windowmaster-as
• Xx.com/windowmaster_nv

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about WindowMaster