| AIR CONDITIONING Acoustic Control | HODGSON & HODGSON GROUP LTD |
| SAS INTERNATIONAL LTD |
| TROX UK LTD |
| AIR CONDITIONING Appliance Wall Fixing Kit | RECTICEL INSULATION PRODUCTS |
| VAILLANT LTD |
| WALRAVEN LTD |
| AIR CONDITIONING Chilled Beams | COLT CLIMATE CONTROL |
| FLAKT WOODS LTD |
| SAS INTERNATIONAL LTD |
| TROX UK LTD |
| AIR CONDITIONING Chilled Ceilings | FLAKT WOODS LTD |
| PIPEX LIMITED |
| SAS INTERNATIONAL LTD |
| TROX UK LTD |
| VAILLANT LTD |
| AIR CONDITIONING Chilled Structure | COLT CLIMATE CONTROL |
| FLAKT WOODS LTD |
| TROX UK LTD |
| AIR CONDITIONING Chillers | COLT CLIMATE CONTROL |
| FLAKT WOODS LTD |
| SAS INTERNATIONAL LTD |
| TROX UK LTD |
| VENT AXIA COMMERCIAL & INDUSTRIAL PRODUCTS |
| AIR CONDITIONING Commercial | COLT CLIMATE CONTROL |
| FLAKT WOODS LTD |
| TROX UK LTD |
| VAILLANT LTD |
| AIR CONDITIONING Components | COLT CLIMATE CONTROL |
| TROX UK LTD |
| AIR CONDITIONING Controls | COLT CLIMATE CONTROL |
| DANFOSS RANDALL LTD |
| FLAKT WOODS LTD |
| TROX UK LTD |
| VAILLANT LTD |
| AIR CONDITIONING Controls Centralised | COLT CLIMATE CONTROL |
| FLAKT WOODS LTD |
| VAILLANT LTD |
| AIR CONDITIONING Controls Network Systems | COLT CLIMATE CONTROL |
| FLAKT WOODS LTD |
| AIR CONDITIONING Cooling Units | COLT CLIMATE CONTROL |
| FLAKT WOODS LTD |
| TROX UK LTD |
| VENT AXIA COMMERCIAL & INDUSTRIAL PRODUCTS |
| AIR CONDITIONING Design Service | COLT CLIMATE CONTROL |
| FLAKT WOODS LTD |
| TROX UK LTD |
| AIR CONDITIONING End Feed Fittings | IBP CONEX |
| AIR CONDITIONING Engineers | COLT CLIMATE CONTROL |
| FLAKT WOODS LTD |
| TROX UK LTD |
| AIR CONDITIONING Equipment | COLT CLIMATE CONTROL |
| FERROLI LTD |
| FLAKT WOODS LTD |
| TROX UK LTD |
| VAILLANT LTD |
| VENT AXIA COMMERCIAL & INDUSTRIAL PRODUCTS |
| AIR CONDITIONING Expansion Tanks | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| AIR CONDITIONING Expansion Tanks BS 4814:1990 | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| AIR CONDITIONING Expansion Tanks BS 4814:1990 Kitemark | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| AIR CONDITIONING Fire Protection | ASTROFLAME FIRESEALS LTD |
| IDENDEN |
| INTUMESCENT SYSTEMS LTD |
| TROX UK LTD |
| AIR CONDITIONING Residential | COLT CLIMATE CONTROL |
| VAILLANT LTD |
| AIR CONDITIONING Structural | COLT CLIMATE CONTROL |
| AIR CONDITIONING Structural Low Energy Systems | COLT CLIMATE CONTROL |
| AIR CONDITIONING System Air Separators | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| AIR CONDITIONING System Air Separators, PALL Process | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| AIR CONDITIONING System Air Vents | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| AIR CONDITIONING System Chilled Water Storage Tanks | COLT CLIMATE CONTROL |
| AIR CONDITIONING System Cleaner | COLT CLIMATE CONTROL |
| FERNOX |
| AIR CONDITIONING System Compressor Vessels | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| AIR CONDITIONING System Corrosion Protector | COLT CLIMATE CONTROL |
| FERNOX |
| AIR CONDITIONING System De-Aerators | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| AIR CONDITIONING System Diffusers | COLT CLIMATE CONTROL |
| TROX UK LTD |
| AIR CONDITIONING System Dirt Interceptors | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| AIR CONDITIONING System Equipment | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| TROX UK LTD |
| AIR CONDITIONING System Filters | COLT CLIMATE CONTROL |
| TROX UK LTD |
| AIR CONDITIONING System Limescale Protector | COLT CLIMATE CONTROL |
| FERNOX |
| HYDROPATH HOLDINGS LTD |
| AIR CONDITIONING System Pressurisation Units | COLT CLIMATE CONTROL |
| FLAMCO UK LTD |
| AIR CONDITIONING System Protector | COLT CLIMATE CONTROL |
| FERNOX |
| AIR CONDITIONING Systems | AIRFLOW DEVELOPMENTS LTD (COMMERCIAL) |
| COLT CLIMATE CONTROL |
| FERROLI LTD |
| FLAKT WOODS LTD |
| SAS INTERNATIONAL LTD |
| TROX UK LTD |
| VAILLANT LTD |
| VENT AXIA COMMERCIAL & INDUSTRIAL PRODUCTS |
| AIR CONDITIONING Systems Air Cooled | COLT CLIMATE CONTROL |
| TROX UK LTD |
| AIR CONDITIONING Systems Architectural | COLT CLIMATE CONTROL |
| SAS INTERNATIONAL LTD |
| TROX UK LTD |
| AIR CONDITIONING Systems Fan Coil Units | AIRFLOW DEVELOPMENTS LTD (COMMERCIAL) |
| COLT CLIMATE CONTROL |
| FERROLI LTD |
| FLAKT WOODS LTD |
| TROX UK LTD |
| VENT AXIA COMMERCIAL & INDUSTRIAL PRODUCTS |
| AIR CONDITIONING Systems Purpose Made | COLT CLIMATE CONTROL |
| SAS INTERNATIONAL LTD |
| TROX UK LTD |
| AIR CONDITIONING Systems Remote Condensing | COLT CLIMATE CONTROL |
| AIR CONDITIONING Systems Remote Evaporator | COLT CLIMATE CONTROL |
| AIR CONDITIONING Systems Underfloor Chilled Pipes | COLT CLIMATE CONTROL |
| AIR CONDITIONING Systems Water Cooled | COLT CLIMATE CONTROL |
| SAS INTERNATIONAL LTD |
| TROX UK LTD |
| AIR CONDITIONING Ventilators Heat Exchange | AIRFLOW DEVELOPMENTS LTD (COMMERCIAL) |
| COLT CLIMATE CONTROL |
| POLYPIPE VENTILATION |
| TROX UK LTD |