
Manufacturer of electric heating elements such as cartridge heaters, PTC heaters, thermoregulation systems and temperature controllers.

HT SpA
San Vendemiano (IT) · Susegana (IT) · Pecica (RO) · Gurahont (RO) · Arad (RO) · Schloß Holte-Stukenbrock (DE)New on Amplifa
About HT SpA
HT SpA (HT Group) is an Italian manufacturer of electric heating elements based in San Vendemiano (Treviso). Since 1978, the company has produced cartridge heaters for industrial applications as well as solutions for building heating, including for towel rails and radiators. The portfolio includes self-regulating PTC heaters, micro-tubular heaters, nozzle band heaters, immersion heaters, air and strip heaters, heat exchangers, etched foils, stone heaters and quartz or ceramic heaters, as well as thermocouples, thermometers and electronic temperature controllers. With HIFLOW, HT offers a thermoregulation system for injection molding and mold machines. Materials include Incoloy, ceramic, quartz and PTC ceramic. In addition to its headquarters in Italy, the HT EST Division produces at three sites in Romania; since 2014, the sales company HT Heizelemente Deutschland has been based in Schloß Holte-Stukenbrock. In 2017, the HT Group joined the NIBE INDUSTRIER structure under NIBE ELEMENT SBU. Customer industries include plastics, foodtech, HVAC, transport, vending, medical technology, energy and process heating.
- Site
- San Vendemiano (TV)
- Processes
- Cartridge heaters for industrial applications, Cartridge heaters for towel rails and radiators (domestic), PTC heaters (self-regulating) / PTC elements for vaporizers, Heat exchangers, Air heaters, Strip heaters, HIFLOW® systems (thermoregulation for injection molding/mold machines), Tubular heaters / micro-tubular heaters
- Materials
- Incoloy, Quartz, Ceramic, PTC (self-regulating ceramic), PTC ceramic (self-regulating)
- Certificates
- ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, VDE, UL, LCIE
- Founded
- 1978
- 01
Engineering and product development
- 02
Manufacture of heating elements (Incoloy, ceramic, quartz, PTC)
- 03
Assembly including thermocouples and temperature sensors
- 04
Testing and certification (VDE, UL, LCIE)
- 05
Warehousing and delivery service (AFS, NOW!)
Materials & Processes
Incoloy
High-temperature-resistant material for cartridge heaters and immersion heaters in industrial applications.
PTC ceramic (self-regulating)
Self-regulating ceramic for PTC heating elements, e.g. for vaporizers.
Quartz
Material for quartz heaters with visual contact to the heating zone.
Ceramic
Insulating and carrier material for ceramic heaters and temperature sensors.
Sites

San Vendemiano (TV)
ITHeadquarters and production
- Materials
- Incoloy, ceramic, quartz, PTC

Susegana
ITFounding site

Pecica
ROHT EST Division – main site
- Materials
- Sealed electric heating elements for industrial and household applications

Gurahont
ROHT EST Division – Plant 1
- Materials
- Sealed electric heating elements

Arad
ROHT EST Division – Plant 2 (Zona Industriala Vest III)
- Materials
- Sealed electric heating elements

Schloß Holte-Stukenbrock
DEHT Heizelemente Deutschland
Heating Elements & Components






Inside the production








Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Cartridge heaters for industrial applicationsHeating elements/Electric heating | – | – | – | – | Incoloy, Ceramic, Quartz |
| Cartridge heaters for towel rails and radiators (domestic)Heating elements/Electric heating | – | – | – | – | – |
| PTC heaters (self-regulating) / PTC elements for vaporizersHeating elements/Electric heating | – | – | – | – | PTC ceramic |
| Heat exchangersHeating elements/Electric heating | – | – | – | – | – |
| Air heatersHeating elements/Electric heating | – | – | – | – | – |
| Strip heatersHeating elements/Electric heating | – | – | – | – | – |
| HIFLOW® systems (thermoregulation for injection molding/mold machines)Heating elements/Electric heating | – | – | – | – | – |
| Tubular heaters / micro-tubular heatersHeating elements/Electric heating | – | – | – | – | – |
| Immersion heatersHeating elements/Electric heating | – | – | – | – | Incoloy |
| Etched foils (thin-film foil heaters)Heating elements/Electric heating | – | – | – | – | – |
| Nozzle band heatersHeating elements/Electric heating | – | – | – | – | – |
| Stone heatersHeating elements/Electric heating | – | – | – | – | – |
| Thermocouples and thermometersTesting | – | – | – | – | – |
| Domestic and industrial temperature controllers / electronic room control / electronic control lineEngineering | – | – | – | – | – |
| Steam generator for coffee machines (HT patent)Heating elements/Electric heating | – | – | – | – | – |
| Quartz heatersHeating elements/Electric heating | – | – | – | – | Quartz |
| Ceramic heatersHeating elements/Electric heating | – | – | – | – | Ceramic |
Additional services
Reference customers
Quality & Certification
HT was one of the first companies in the industry to receive ISO 9002 certification (1993). Since 2019, ISO 9001:2015 and ISO 14001:2015 have applied, complemented by product certifications to VDE, UL and LCIE as well as ISO 45001:2018 for the HT EST Division.
| Evidence | San Vendemiano (TV) | Pecica | Gurahont | Arad |
|---|---|---|---|---|
| ISO 9001:2015 | ||||
| ISO 14001:2015 | ||||
| ISO 45001:2018 | ||||
| VDE | ||||
| UL | ||||
| LCIE |
History
- 1978
HT was founded in Susegana, Italy
- 1980
First patent for cartridge heaters
- 1993
ISO 9002 certification – one of the first companies in the industry
- 1997
PTC heaters introduced
- 1998
Steam generator for coffee machines (HT patent)
- 2003
HT EST Division founded in Pecica, Romania
- 2006
AFS (Always From Stock) product range introduced
- 2008
New stone heaters range introduced
- 2009
NOW! (no wait) launched – shortened delivery times
- 2010
Second plant of the HT EST Division in Gurahont, Romania
- 2013
HIFLOW introduced (thermoregulation, among others for injection molding machines)
- 2014
HT Heizelemente Deutschland founded in Schloß Holte-Stukenbrock
- 2017
HT Group joins the NIBE INDUSTRIER structure under NIBE ELEMENT SBU
- 2019
ISO 9001:2015 and ISO 14001:2015 certifications