Products - Trench Heating & Cooling

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Trench Heating & Cooling

ISAN by Siwa Termo trench heaters are all certified to EN442 EN16430. Suitable for low water temperature applications to insulate windows up to 40ft tall.

FRK

Natural Convection
Heating Only

These trench heaters utilize natural convection. The temperature difference of cold + hot air generates a consistent air…

FRT

24VDC
Heating Only

Using low energy 24VDC fans, these trench heaters are boosted with a uniform tangential fan across ISAN’s high…

FRC (2-Pipe) & FRD (4-Pipe)

24VDC
Heating & Cooling

With the addition of 24VDC fans, a condensate pan + pump, adding more loops to our heat exchanger; the trench heaters…

Trench Heating Humid Environments

FRM

Natural Convection
Humid Environment
Heating Only

Similar to the FRK with structural changes to the trench heater components (Casing, grille & heat exchanger).

FRB

24VDC
Humid Environment
Heating Only

Similar to the FRT with structural changes to the trench heater components (Fan, casing, grille & heat exchanger).

Electric Trench Heating - Coming Soon to North America

FEK

Natural Convection
Heating Only

FET

24VDC
Heating Only