• The TEC4000S Series Thermostat.
    The TEC4000S Series Thermostat.
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Johnson Controls has launched TEC4000S Series Thermostat, the only one in its class with a user interface that meets AAA Web Content Accessibility Guidelines (WCAG) compliance, the highest accessibility standard available.

It delivers up to an 80 per cent reduction in setup and commissioning time for midsized properties, enabling faster and more efficient system deployment for contractors.

The company’s product manager for commercial thermostats, Sayan Chakraborty, said since its introduction nearly 20 years ago, the

TEC Series of thermostats has undergone substantial evolution, guided by continuous customer feedback and real‑world application insights.

“Leveraging these insights and our 140‑year heritage of thermostat innovation, we engineered the TEC4000S Series with the capabilities that deliver the greatest value for today’s contractors, building owners, and occupants,” he said.

“This next‑generation TEC4000S series advances the Johnson Controls legacy while aligning with evolving market requirements.”

The TEC4000S Series features a 4-inch colour touch display, the largest in its class, and a simplified navigation structure.

Its AAA-compliant interface incorporates high contrast visuals, large text and direct access to frequently used functions, reducing navigation steps and supporting inclusive operation across commercial environments.

With preset configuration profiles and USB based cloning, setup time can be reduced by up to 80 per cent.

The optional Johnson Controls Connected Workflow Wireless MS/TP (CWCVT) adapter enables wireless commissioning before wall mounting, while proportional control autotuning reduces time and need for specialized expertise in commissioning more complex equipment. 

The TEC4000S Series targets single-zone commercial applications from 300 to 3,000 square feet, including offices, hotels, retail stores, managed condos and K–12 schools.

This model features seven HVAC control applications, and a two-SKU lineup designed to streamline selection and inventory management.

Hospitality mode sequences paired with an integrated occupancy sensor are designed to reduce energy use during vacancy while maintaining comfort during occupied periods.

Built in access control options help maintain consistency while managing occupant changes, and a white colour option allows the thermostat to blend into walls with almost any colour. 

The TEC4000S Series supports BACnet MS/TP communication for remote monitoring and management and integrates with both Johnson Controls Metasys and third-party building automation systems.