Thermostat Shelly ST1820 PBS Wi‑Fi control for heating systems, energy-saving smart thermostat

Shelly ST1820 PBS is a smart thermostat with Wi‑Fi control designed for integration into heating systems. It enables remote temperature management, programmable schedules and energy‑efficient operation through the Shelly app and compatible smart home platforms. Intended for residential and small commercial environments, the device supports automated temperature maintenance and helps optimize heating use to reduce energy consumption.

Advantages

The Shelly ST1820 PBS offers Wi‑Fi connectivity for remote access, scheduling capabilities and compatibility with common smart home ecosystems. Its design focuses on straightforward integration into existing heating systems and on enabling programmable temperature control to support energy savings. The thermostat provides a centralized way to manage heating setpoints and schedules, reducing the need for manual adjustments.

Suitable for

• Controlling residential central heating systems
• Integration with smart home automation and scheduling
• Small commercial spaces requiring programmable temperature control
• Energy management and heating cost optimization

Key specifications

• Wi‑Fi connectivity for remote control and monitoring
• Programmable scheduling for temperature setpoints
• Compatibility with Shelly app and common smart home platforms
• Designed for integration into heating system control circuits
• Support for energy‑saving operation through automated scheduling

How to use

Install the Shelly ST1820 PBS according to the heating system wiring and local electrical codes, connecting it to the control circuit where thermostat input is accepted. Configure the device via the Shelly app over Wi‑Fi to set temperature targets, create weekly schedules and integrate with other smart home components if needed. Use the app or compatible platform to monitor current temperature, adjust setpoints remotely and enable automated modes for day/night or away periods.

Usage recommendations

Place the thermostat controller in a representative indoor location away from direct heat sources and drafts for accurate temperature measurement. When creating schedules, align setpoints with occupancy patterns to maximize energy savings and comfort. Ensure firmware is up to date and verify compatibility with your heating system before installation.