Process. Heat. Solutions.

Because every task is different

Innovative solutions for process heat generation

Heaters, process heat appliances, energy recovery: If you need a smart solution for process heat generation, you needn’t look further than HTT. We’re a one-stop shop for consultation, planning, manufacture and installation of your system. You’ll benefit from our production in Germany, our experience of delivering over 13,000 system for 1,775 customers worldwide since 1967 – and the future-forward technology supplied by an uncompromising driver of innovation.

Your sales and service partner worldwide

Our service: as flexible as our systems

We set the same standards for our service as we do for our systems and production processes. That means we’re always there for you: around the clock on our service hotline and on site around the world with our TÜV-certified technicians.

Main service hotline: +49 5221 385-0
24/7 emergency service hotline: +49 5221 385-600


With us, service starts with analysing your needs. So your solution is the perfect fit for you.

Learn more

After-sales service

Maintenance? Spare parts? Emergency support? We’re there when you need us. Any time.

Learn more


Do you need a smart solution for a specific task? We’d love to pay you a visit.

Learn more

Our products for process heat generation

Tailor-made solutions made in Germany

From electrical and oil-fired heaters and steam generators to heat exchangers, we plan, manufacture and install all your components – and are happy to create a custom system perfectly suited to your purposes.

Examples of smart industry solutions

Heat carrier systems to meet your needs from HTT

Every industry is its own universe with its own specific challenges. We’ll show you smart ways to handle specific tasks using successfully implemented systems from the recent past.