
Develops and produces air curtains, fan convectors, air heaters, climate cassettes and heat recovery units for commercial and industrial applications.

Biddle GmbH
Cologne (DE, sales office) · Kootstertille (NL, production) · Nuneaton (UK, production) · Croissy-Beaubourg (FR, sales office) · Cambridge, Ontario (CA, sales office)New on Amplifa
About Biddle
Biddle GmbH is part of the Carver Group, a family business founded in England in 1776 and today run by the eighth generation. For around 90 years, Biddle has been developing products for heating, ventilation, cooling and climate separation. The portfolio comprises comfort and industrial air curtains (SR, CITY, DoorFlow2, IndAC2, IsolAir2, MAT), fan convectors (DecoQT, DECO, ModulAir), climate cassettes (Comfort Circle2), air heaters (NOZ2) and heat recovery units (Air2Air HR series). The units are assembled in the company's own plants in the Netherlands (Kootstertille) and the United Kingdom (Nuneaton); housings are made from galvanised sheet steel, heating coils from copper tubes with aluminium fins. Characteristic features are patented technologies such as the rectifier technology with efficiencies above 90 %, the Multi-Airstream technology for cold storage/freezer warehouses, as well as CHIPS controls and b-connect remote monitoring. From the plants in the Netherlands and the United Kingdom, the company exports to more than 25 countries; sales offices are located in Cologne, Croissy-Beaubourg and Cambridge (Canada). Together with its sister company CUBIST GmbH, planning, installation, commissioning and service are offered from a single source.
- Site
- Köln
- Processes
- Manufacture of comfort air curtains (SR, CITY, DoorFlow2, SR DX), Manufacture of industrial air curtains (IndAC2, IsolAir2, MAT), Manufacture of fan convectors (DecoQT, DECO, ModulAir), Manufacture of air heaters/coolers (NOZ2, NOZ2 cooling), Manufacture of Comfort Circle2 climate cassette (cassette air heater), Manufacture of Air2Air heat recovery units (HR12/25/35/45, counterflow technology), Integration of third-party control devices of major brands into production (customer-specific, Painting/surfaces in RAL colours (on request, series standard RAL9016)
- Materials
- Galvanised sheet steel (housing 1.0 mm), Copper tubes (heating coils, connections ø 15 mm), Aluminium fins (heating coils), Plastic (round connection spigots ø 200 mm ModulAir), High-grade steel (general, product components), Galvanised sheet steel (1.0 mm), Copper tubes, Aluminium fins
- Certificates
- ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, CE conformity
- Industries
- Retail/supermarkets, Hotels and gastronomy, Office buildings, Public buildings/schools/hospitals, Warehouses and logistics centres, Cold storage and freezer warehouses
- 01
On-site analysis and measurement
- 02
Engineering and design
- 03
Production and assembly of the units
- 04
Sales via wholesalers and authorised installation companies
- 05
Installation and commissioning
- 06
Maintenance, service and remote monitoring (b-connect)
Materials & Processes
Galvanised sheet steel (1.0 mm)
Housings of the fan convectors, standard version unpainted with grille in RAL 9016.
Copper tubes
Heating coils and coil connections (ø 15 mm) in fan convectors.
Aluminium fins
Fin packs of the heating and cooling coils.
Plastic
Round connection spigots ø 200 mm on the ModulAir flat climate unit.
Locations

Cologne
DESales office / German headquarters of Biddle GmbH (incl. sister company CUBIST GmbH)
Kootstertille
NLProduction site/plant
- Materials
- Steel, copper, aluminium, plastic
Nuneaton
UKProduction site/plant
- Materials
- Steel, copper, aluminium
Croissy-Beaubourg
FRSales office
Cambridge (Ontario)
CASales office for Canada/North America
Products & Components






Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of comfort air curtains (SR, CITY, DoorFlow2, SR DX)Assembly | – | – | – | – | galvanised steel |
| Manufacture of industrial air curtains (IndAC2, IsolAir2, MAT)Assembly | – | – | – | – | steel |
| Manufacture of fan convectors (DecoQT, DECO, ModulAir)Assembly | – | – | – | – | galvanised sheet steel, copper, aluminium |
| Manufacture of air heaters/coolers (NOZ2, NOZ2 cooling)Assembly | – | – | – | – | copper, aluminium |
| Manufacture of Comfort Circle2 climate cassette (cassette air heater)Assembly | – | – | – | – | – |
| Manufacture of Air2Air heat recovery units (HR12/25/35/45, counterflow technology)Assembly | – | – | – | – | – |
| Integration of third-party control devices of major brands into production (customer-specificAssembly | – | – | – | – | – |
| Painting/surfaces in RAL colours (on request, series standard RAL9016)Surface | – | – | – | – | steel |
| Planning, design, installation, maintenance and service of refrigeration/air conditioning systemsEngineering | – | – | – | – | – |
Additional services
Reference customers
Quality & Certification
Biddle is certified to ISO 9001, ISO 14001 and ISO 45001; all products comply with the CE directives and are tested before leaving production. Production follows the lean manufacturing principle with continuous improvement.
| Evidence | Kootstertille | Nuneaton |
|---|---|---|
| ISO 9001:2015 | ||
| ISO 14001:2015 | ||
| ISO 45001:2018 | ||
| CE conformity |
History
- 1776
Foundation of the Carver Group (parent company) in England, today run by the eighth generation
Biddle has been developing products for heating, ventilation, cooling and climate separation for around 90 years