What Windsor Engineering does

Windsor Engineering Group is a privately held New Zealand industrial engineering company founded in 1953 that designs, manufactures, services, and installs mission-critical thermal energy, air movement, filtration, and timber drying equipment for industrial customers. Operating from a headquarters in Auckland and a fabrication workshop in Porirua, the group employs nearly 200 staff across New Zealand and Australia and is structured around two divisions: Windsor Engineering, covering air filtration, cooling towers, fans and blowers, dust collectors and baghouses, expanded metal mesh, heat exchangers, noise control, material handling, and timber drying kilns; and Windsor Energy, covering industrial boilers (biomass, gas-fired, electric), burner systems, air heaters, thermal oil heaters, valves, emission controls, and 24/7 boiler servicing and parts.

The company's technical platform combines proprietary in-house design and fabrication with externally licensed and distributed technologies. Windsor Energy fabricates Babcock & Wilcox-licensed Bubbling Fluidised Bed (BFB) combustion systems at the Porirua workshop — a 30MW BFB biomass boiler was delivered to Fonterra Waitoa — and is the New Zealand distributor of Elpanneteknik high-pressure electrode boilers, having installed the country's first 20MW high-pressure (38bar) unit at Mataura Valley Milk and a 3MW unit at Speight's Brewery. Documented decarbonization outcomes include 20-85% site-level emissions reductions across major enterprise customers, with electrode-boiler efficiency cited at >99.5% and successful combustion of out-of-spec woodchip at 63% moisture content.

Windsor monetizes through three revenue streams: one-time industrial equipment sales (boilers, fans, filtration, heat exchangers, coils); turnkey project engineering and installation work (boiler conversions, new builds, complete plant delivery — including brownfield retrofits where existing operations must be maintained); and recurring servicing and parts from a nationwide branch network. Go-to-market is exclusively direct enterprise field sales, with regional sales and service teams based in Auckland, Wellington/Porirua, Christchurch, Napier, Dannevirke and Dunedin in New Zealand, and Dandenong (Melbourne) in Australia. Primary end markets are dairy (notably Fonterra, Synlait Milk, Mataura Valley Milk), food and beverage (Speight's Brewery, Nestlé), general industrial manufacturing, and timber processing; the company has built the group through acquisitions of IPSCO (2010), CFS (2015), and RCR Energy / Windsor Energy (2019), and holds a 49% stake in US-based KDS for North American kiln sales.

Name

Windsor Engineering

Legal name

Windsor Engineering Group Ltd

Website

https://windsor.co.nz

Company type

Private

Founded year

1953

Operating status

Operating

Headcount range

51–100 employees

Short description

Windsor Engineering Group is a privately held New Zealand industrial engineering firm, founded in 1953, that designs, builds and services thermal energy equipment, air filtration systems, cooling towers, fans, dust collectors, heat exchangers and timber drying kilns for dairy, food and beverage, industrial and institutional customers across New Zealand and Australia.

Ownership category

akta.pro rank

Product category

Industrial Thermal Energy and Air Movement Equipment

NAICS

Power Boiler and Heat Exchanger Manufacturing (33241), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Industrial Process Furnace and Oven Manufacturing (333994)

SIC

Heating Equipment, Except Electric & Warm Air Furnaces (3433), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Industrial Process Furnaces & Ovens (3567), Steam & Air-Conditioning Supply (4961)

akta.pro primary industry

Boilers, Furnaces & Process Heating Equipment (IMAHAKAD)

Keywords

• Industrial thermal energy systems
• Biomass bubbling fluidised bed boilers
• High pressure electrode boilers
• Industrial air filtration equipment
• Timber drying kilns

Headquarters

HQ city

Porirua

HQ country

New Zealand

HQ region

Oceania

Offices7 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. Industrial Equipment Sales: Sale of industrial equipment including boilers, air heaters, fans, blowers, cooling towers, air filtration systems, dust collectors, heat exchangers, coils, and other mission-critical equipment.
2. Project Engineering and Installation: Design, build, and installation of turnkey thermal energy systems and industrial equipment projects including boiler conversions, new installations, and complete plant delivery.
3. Servicing and Parts: Aftermarket parts supply and servicing for all industrial equipment, providing ongoing maintenance, repairs, and spare parts from locations throughout New Zealand.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Windsor Engineering Group designs, builds, and services mission-critical industrial equipment across two divisions. Windsor Engineering supplies air filtration, fans, cooling towers, dust collectors, heat exchangers, and timber drying kilns. Windsor Energy delivers sustainable thermal energy systems including biomass-fired bubbling fluidised bed (BFB) boilers, high-pressure electrode boilers, air heaters, thermal oil heaters, and associated combustion, emission control, and servicing offerings.

Product overview

Windsor Engineering Group is a privately owned New Zealand company offering two distinct divisions: Windsor Engineering (industrial air movement, filtration, cooling, and material handling equipment) and Windsor Energy (sustainable thermal energy systems). The product portfolio centers on mission-critical industrial equipment including electrode boilers (3-20MW), biomass boilers (30MW bubbling fluidised bed), air heaters (TT32-410), steam/hot water boilers, combustion burners, cooling towers, fans/blowers, dust collectors, air filtration systems, coils/heat exchangers, timber kilns, gas flares, noise control, material handling, and valves. Supporting services include 24/7 boiler servicing, parts/spares, and emission controls. The acquired brand Crossle Coils (Australia) provides plate fin heat exchangers. Products serve energy, manufacturing, food & beverage, dairy, and industrial sectors across Australasia, North America, and the Pacific.

Differentiator

Problem solved

Functional benefit

Products and services

• Biomass Boilers (Bubbling Fluidised Bed) 30MW biomass-fired steam boilers using Bubbling Fluidised Bed (BFB) combustion technology, in-house fabricated at the Porirua workshop under Babcock & Wilcox licence. Designed for industrial process steam generation with capability to burn fuels with up to 63% moisture content. Sold to enterprise customers in food, dairy, and industrial sectors.
• Electrode Boilers (High Pressure) Electric boilers in 3MW to 20MW capacities, including 20MW high-pressure models operating at 38bar with steam production efficiency above 99.5%. Distributed and installed in New Zealand by Windsor Energy under licence from Swedish manufacturer Elpanneteknik. Targeted at industrial customers seeking decarbonisation of process steam and hot water.
• Air Heaters Industrial air heaters (including the TT32-410 model) used for process heat applications in the form of air, supplied globally after Factory Acceptance Tests. Used by food, beverage, and industrial customers.
• Thermal Oil Heaters Industrial thermal oil heaters for process heat applications, supplied to enterprise customers requiring high-temperature heat transfer fluids.
• Steam and Hot Water Boilers Packaged and large industrial steam and hot water boilers for various fuel types including biomass, gas-fired, and electric. Sold and serviced to enterprise industrial customers.
• Combustion Burners and Controls Industrial combustion burners and control systems for various fuel types, supplied as part of boiler and energy system installations.
• Emission Controls Emission control equipment for industrial boilers and combustion systems, supporting customers' compliance and decarbonisation objectives.
• Valves Steam instruments and valves for boiler and energy systems, including combustion parts supply.
• Coils and Heat Exchangers Industrial and commercial coils, heat exchangers, heat recovery systems, and air pollution control equipment used across process plants.
• Air Filtration Systems Industrial air filtration products including air purifiers and filter systems, including Purafil gas phase filtration, for critical food, dairy, and beverage industries.
• Cooling Towers Water cooling towers for industrial applications, sold and serviced by Windsor Engineering's Auckland-based team.
• Fans and Blowers Industrial fans and blowers for air movement applications in manufacturing and processing facilities.
• Dust Collection Systems Packaged dust collection, scrubbers, and baghouses for industrial air pollution control.
• Expanded Metals Industrial expanded metal mesh products supplied to manufacturers and processors.
• Gas Flares Landfill gas flares for industrial applications.
• Noise Control Acoustic silencers and noise control solutions for industrial environments, including silencers for process equipment.
• Material Handling Material handling equipment for industrial applications.
• Timber Drying Kilns Timber drying kilns and controls with over 70 years of manufacturing experience since 1953, supplied globally including via the 49%-owned US partner KDS (Kiln Drying Systems).
• Boiler Servicing and Maintenance 24/7 nationwide boiler servicing and maintenance for Upper North Island, Lower North Island, and South Island regions, provided by Windsor Energy.
• Boiler Parts and Spares Aftermarket parts, spares, and combustion parts for industrial equipment, supplied from branches throughout New Zealand.
• Industrial Servicing Full aftermarket parts and service for all industrial equipment across New Zealand locations, including dust collector parts and filter servicing from the Christchurch office.
• Crossle Coils (Heat Exchanger Product Line) Plate Fin heat exchangers, economisers, steam and hot/cold water coils, finned tube heaters, tube bundles, and unit heaters manufactured by Crossle Coils (acquired brand, Australia's oldest heat exchanger manufacturer).

Quantifiable outcome

• Fonterra Edendale electrode boiler: 20% emissions reduction, equivalent to 47,500 tonnes CO2 per annum
• +4 more outcomes

Named customers5 records

Segments5 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

Five partnerships are on record, tiered core and minor.

• KDS (Kiln Drying Systems)coreStrategic or Co-development Partner · 1 January 2018In 2018 Windsor acquired 49% ownership in their long-term USA partner KDS (Kiln Drying Systems). This partnership enables further expansion of North American kiln sales, manufacture and service.
• Babcock & WilcoxcoreTechnology or IntegrationWindsor Energy BFB bed design completed under licence of Babcock & Wilcox for the Fonterra Waitoa boiler project. This licensing arrangement enables Windsor to build bubbling fluidised bed combustion systems.
• AureconminorImplementation/ SI/ Consulting PartnerAssisted with Project Recharge at Mataura Valley Milk, providing engineering consultancy support for the electrode boiler installation project.
• Calder StewartminorImplementation/ SI/ Consulting PartnerKey building subcontractor on the Fonterra Edendale electrode boiler project, providing construction services.
• ElpanneteknikcoreTechnology or IntegrationSwedish manufacturer of electrode boilers. Windsor Energy distributes and installs Elpanneteknik electrode boilers in New Zealand, including the first high pressure electrode boiler installations.

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• ANDRITZ: Austrian-based industrial group with biomass boiler and power plant offerings alongside pulp/paper and metals businesses. Overlaps with Windsor's biomass boiler portfolio but operates globally across far larger industrial segments.
• Valmet: Finnish process technology provider with strong biomass and boiler/heat generation business serving pulp, paper and energy. Adjacent competitor for industrial and biomass boiler opportunities, though much larger and more diversified.
• Thermax: Indian-headquartered energy and environmental solutions provider with industrial boilers, heating and air pollution control across process industries. Comparable in boilers/HVAC/APCs but at far greater scale and global reach than Windsor.
• Babcock & Wilcox: Global EPC and OEM with industrial boilers, biomass combustion and BFB technology — Windsor's BFB licensor. Overlaps with Windsor on utility and industrial steam generation but operates at much larger scale and broader geography.
• Forbes Marshall: Indian manufacturer of steam engineering and control equipment (boilers, steam traps, valves, control systems) serving process industries. Overlaps with Windsor's steam/boiler/valves portfolio for food/beverage and industrial customers.

Direct peers

• Fulton Boiler Works: US manufacturer of steam, hot water and electric boilers with vertical focus on industrial and process heating applications. Comparable product range, similar turnkey/aftermarket model, and overlapping food & beverage and industrial customer base.
• Cochran Boilers: UK-based industrial boiler manufacturer producing steam and hot water boilers for process industries and power. Directly comparable as a mid-sized specialist industrial boiler maker serving food, dairy and process heat customers like Windsor.
• Indeck Power Equipment: US-based designer and manufacturer of industrial boilers, heat recovery steam generators and boiler systems with rental/sales/service model. Comparable custom-engineered boiler offering for industrial steam and process heating customers.
• Cleaver-Brooks: Major North American boiler and burner manufacturer offering packaged firetube/watertube boilers, biomass systems and full aftermarket service. Mirrors Windsor's equipment-plus-service model with similar decarbonisation/retrofit positioning.
• Hurst Boiler & Welding: Manufacturer of biomass, gas, oil and electric boilers for industrial/commercial customers with strong aftermarket support. Closely aligns with Windsor's biomass boiler offering and broad industrial steam/hot water portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/windsor-engineering-group-limited

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries5 records

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 Windsor Engineering