Freeze protection
Freeze protection that keeps the cold chain ice-free.
Heaters that stop condensation, frost and ice on refrigeration and cold-storage assets — from display-case doors and drain lines to evaporator coils — so equipment runs clear through every defrost cycle.
Voltage 110–240 VOutput 5–100 WUse Cold chain
ISO 9001:2015
CE Certified
RoHS Compliant
Made in India
Manufacturer since 1989
The freeze protection heaters range
Freeze Protection Heaters, engineered to your spec.
Every configuration below is made to order — share your wattage, voltage, size and temperature, and our engineers build to it.
Copper Door Heater
Radiant door-frame heaters that stop condensation and ice on cold-room and display doors.
TypeRadiant
Door width600 mm
Power1–3 kW
BrandIsotherm
Drain Line Heater
Keeps freezer drain lines clear so meltwater drains away instead of refreezing.
ShapeRound
MaterialStainless steel
UseDrain lines
BrandIsotherm
Self Regulating Defrost Heaters
Self-regulating elements for evaporator and coil defrost that cannot overheat.
Size14 inch
MaterialAluminium
TypeSelf-regulating
BrandIsotherm
Aluminum Foil Heaters
Thin foil heaters that spread low-watt heat across panels and surfaces to prevent frost.
Voltage110–240 V
Rated5–100 W
FormFoil
BrandIsotherm
Typical applications
Where these heaters are put to work.
Cold roomsDisplay casesFreezer doorsEvaporator coilsDrain linesIce machines
More from Isotherm
Explore our other heater ranges.
Request a quote
Tell us what you need to heat.
Send your requirement — a drawing, a spec, or the old part — and our engineers will come back with sizing, materials and pricing, usually within 24–48 hours.
Request sent
Thanks — we'll get back to you with a quote, usually within 24–48 hours.