| HOT WATER Controls Automatic | DANFOSS LTD |
| TIMEGUARD - PROGRAMASTAT PLUS HEATING CONTROLS |
| HOT WATER Heat Exchangers | KINGSPAN Hot Water Cylinders |
| STOKVIS ENERGY SYSTEMS |
| VIESSMANN LTD |
| HOT WATER Heat Pumps | GDHV HOT WATER -GLEN DIMPLEX HEATING & VENTILATION |
| HOT WATER Night Storage | KINGSPAN Hot Water Cylinders |
| HOT WATER Plumbing Units | KINGSPAN Hot Water Cylinders |
| HOT WATER Service Generators | STOKVIS ENERGY SYSTEMS |
| HOT WATER Temperature Controls | GROHE LTD |
| HOT WATER Thermal Stores | ADVECO LTD |
| DRAYTON TANK & ACCESSORIES LTD |
| GDHV HOT WATER -GLEN DIMPLEX HEATING & VENTILATION |
| KINGSPAN Hot Water Cylinders |
| STOKVIS ENERGY SYSTEMS |
