HVAC & Temperature Control

Intelligent control for heating, cooling, and climate systems.

KELD develops electronic controllers for temperature regulation, defrost management, and climate system coordination in commercial, industrial, and vehicle applications. Our controllers are designed to fit the specific architecture and operational logic of your equipment — not the other way around.

TYPICAL APPLICATIONS

  • Commercial refrigeration: display cases, cold rooms, bottle coolers.
  • HVAC systems: rooftop units, fan coils, heat pumps.
  • Vehicle air conditioning and climate control
  • Agricultural and livestock ventilation and climate management.
  • Industrial heating and process temperature control.

WHAT MAKES OUR CONTROLLERS DIFFERENT

  • Custom user interfaces: display type, button configuration, and menu logic tailored to your product and your end users.

  • Sensor integration: NTC, PTC, 4–20 mA, digital sensors — configured to your measurement requirements.

  • Multi-relay and multi-output architectures for complex control sequences (compressor staging, valve control, fan speed modulation).

  • Communication protocols: Modbus, BACnet, proprietary — matched to your system architecture.

  • Full regulatory compliance support: CE, UL, RoHS, and application-specific standards.

PRODUCT FAMILIES

  • KTS Series: New-generation temperature controllers and thermostats with enhanced display, connectivity options, and programmable logic for advanced applications.

  • Custom controller platforms: fully bespoke solutions developed from your specification, including combined control-and-drive architectures for integrated equipment.