Custom industrial heaters, engineered to your spec.
Isotherm Internationale designs and manufactures the complete range of electrical heating — from heat tracing and drum heaters to furnaces, controls and sensors — built and tested in our own Hyderabad facility.
Every electrical heater, in one place.
Browse our full catalogue, grouped for easy navigation. Each is built to order — tell us your application and we engineer to it.
Heat Tracing & Hoses
Flexible & Foil Heaters
Freeze Protection
Drum Heaters
Process & Immersion
Industrial Elements
HVAC & Air Heating
Furnaces, Ovens & Incinerators
Speciality Heating
Controls, Sensors & Insulation
Can't see the exact part you need? Send us a drawing or sample →
Built in-house, built to your spec.
In-house manufacturing
Every heater is designed and built in our own Hyderabad facility — drawing to dispatch, all under one roof.
Built to your spec
Custom wattage, voltage, size, sheath and temperature. Send a drawing or a sample, and we engineer to it.
Certified quality
ISO 9001:2015 quality system, CE marked and RoHS compliant — every unit tested before it ships.
Fast, responsive service
Engineered quotes in 24–48 hours, export-ready packaging, and a team that picks up the phone.
Heating for the industries that run on temperature.
Our heaters run in plants across oil & gas, pharma, food, refrigeration and beyond — each unit engineered to the application and environment.
From your requirement to a tested heater, in four steps.
Share what you need to heat, get an engineered quote in 24–48 hours, approve, and we build, test and ship. No runaround.
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.