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HVAC Products

Steiner’s HVAC control solutions integrate advanced thermal management and safety logic for comfort and performance in mobile environments.

Let us develop a dependable and scalable solution perfect for your needs.

Products

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Electrical Products & Components

Digital Thermostats

A purpose-built digital thermostat designed for RV environments — delivering full HVAC control, smart climate algorithms, and rugged 12VDC integration for precise, reliable comfort on the road.

  • Full HVAC Control: Supports Cool, Gas Heat, Electric Heat, Auto Cool+Heat, and Dry modes.
  • Smart Climate Logic: Proprietary Auto Cool+Heat algorithm minimizes cycling, saves energy, and improves comfort.
  • Intuitive Interface: Rotary encoder with push-to-select and high-contrast LCD for easy use in motion.
  • Flexible Sensing: Compatible with internal or external temperature sensors for optimal placement.
  • Rugged & Reliable: Includes short-cycle protection, self-resetting fuse, and memory retention through power loss.

HVAC Electronics

A compact, UL-listed control solution engineered to manage RV air conditioning systems with simplicity, safety, and scale — delivering reliable compressor and fan control without full HVAC complexity.

  • Smart Control Logic: Handles compressor, high/low fan speeds, and freeze sensor input with simple Y/GH/GL signal interface.
  • Built-In Freeze Protection: Integrated thermistor disables the compressor below 28°F and reactivates above 55°F.
  • UL Listed & Durable: UL 94-5V flame-rated plastics, robust relay design, and safe field wiring compartments.
  • Electrical Protection: Reverse polarity protection and tolerance for 400VDC spikes ensure long-term reliability.
  • High-Volume Ready: Scalable, modular design with quick-connect terminals and flexible harness options for OEM production.

Need your own HVAC solution?

Steiner designs scalable HVAC control systems for OEM integration.

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