Unified control for VAV boxes, Venturi valves, lab fume hoods, with native BACnet, laptop‑free commissioning, and 43.5% lower 10‑year TCO.
[Shenzhen, May 16, 2026] – Saswell, a global leader in intelligent HVAC controls, today announced the release of its latest innovation: the HDC218-VAV Decoupled VAV Controller.
One Device. Unlimited Terminals.
Unlike traditional controllers locked to a single device type, the HDC218-VAV is designed for universal application – it seamlessly manages VAV boxes, Venturi valves, VAV dedicated valves, and laboratory fume hood exhaust systems. No more juggling multiple controllers.
Break the Brand Monopoly.
The HDC218-VAV features a truly decoupled architecture: the controller works with any standard 0‑10V actuator (Belimo, Siemens, Honeywell, etc.). Replace only what fails. No vendor lock‑in. Hardware cost is about one‑third of tier‑1 international brands, and 10‑year maintenance TCO is reduced by 43.5%.
Engineered for Efficiency.
- Laptop‑free commissioning – Optional SAS965‑HMI panel enables on‑site airflow calibration and PID tuning in under 5 minutes. No software licenses, no laptop.
- Native BACnet MS/TP & Modbus RTU – Plug‑and‑play integration with Tridium Niagara, JCI Metasys, Siemens Desigo, and other major BMS platforms.
- Pressure‑independent precision – Built‑in 0-500 Pa micro‑differential pressure sensor delivers dynamic airflow compensation.
- All‑in‑one – ±0.5% DP sensor (0.1 Pa resolution), 2‑stage reheat (electric/hydronic), direct CO₂ sensor input, and hotel keycard logic.
- 8A high‑power direct drive – Supports up to 8A load for auxiliary heating and fan outputs – no external relay needed.
Perfect For
VAV box OEMs, commercial retrofits, laboratories, and cleanrooms.
Availability
The HDC218-VAV series is now available for global shipping.
