
Flanged Insert Type
Heatspec’s duct heaters are designed for supplementary heating in ACMV and HVAC to achieve humidity requirements. It is also suitable for use in the marine and shipping sector as a comfort heating option. The Insert type design allows for side insertion into a rectangular hole cut out of an air duct. The flange provides secure mounting for the heating elements and to the air duct. Heating elements supports are supplied where required to ensure the units will withstand vibration levels encountered in air-conditioning systems and to prevent sagging of elements.
Flanged Insert Type
Heatspec’s duct heaters are designed for supplementary heating in ACMV and HVAC to achieve humidity requirements. It is also suitable for use in the marine and shipping sector as a comfort heating option. The Insert type design allows for side insertion into a rectangular hole cut out of an air duct. The flange provides secure mounting for the heating elements and to the air duct. Heating elements supports are supplied where required to ensure the units will withstand vibration levels encountered in air-conditioning systems and to prevent sagging of elements.

Flanged Housing Type
For large duct sizes and very high ratings, our Flanged Housing Duct Heater is most ideal to provide a sturdy and long lasting housing for such requirements. The flanges provide secure mounting for the whole length of the duct heater to the duct works, as these are designed so that the heater is an integral part of the duct work.
Support brackets for the long heating element will also be installed to prevent sagging of elements. Additional cold zone area will be catered for duct works with internal insulation. Flexibility to meet most duct works orientations and designs.
Flanged Housing Type
For large duct sizes and very high ratings, our Flanged Housing Duct Heater is most ideal to provide a sturdy and long lasting housing for such requirements. The flanges provide secure mounting for the whole length of the duct heater to the duct works, as these are designed so that the heater is an integral part of the duct work.
Support brackets for the long heating element will also be installed to prevent sagging of elements. Additional cold zone area will be catered for duct works with internal insulation. Flexibility to meet most duct works orientations and designs.