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SYSTO Digital Thermostat — Smart, Reliable Climate Control

The SYSTO Digital Thermostat delivers accurate temperature control, easy installation, and energy-saving schedules. Built by a trusted remote-control expert with OEM/ODM support, it’s ideal for homes, offices, and commercial HVAC systems.
Dimension
118mm x 88mm x 30mm
Working humidity
5-90%RH (no defrost)
Supply voltage
AC100-240V, 50/60HZ
Temperature setting range
5-35°C
Temperature displaying range
0-50°C
Temperature control precision
±1°C
Product Description

Overview

The SYSTO Digital Thermostat combines precise temperature control with simple operation and robust reliability. Backed by Guangzhou SYSTO Trading Co., Ltd., a remote-control leader since 1998, this thermostat is designed for homeowners, property managers, and commercial installers who need a dependable, easy-to-use climate control solution.

Key Features

Accurate and Stable Temperature Control

Advanced sensing and responsive control deliver consistent comfort. The thermostat maintains set temperatures with minimal fluctuation, reducing HVAC wear and improving occupant comfort.

Easy Installation and Intuitive Interface

Clear LCD/touchscreen display and straightforward wiring make installation fast. The user interface is simple to navigate for quick setup and daily use—no technical experience required.

Energy Saving Schedules

Programmable schedules let you set different temperatures for day, night, and weekends. Smart scheduling reduces energy use and lowers utility bills without sacrificing comfort.

Wide Compatibility and Custom Options

Designed to work with common HVAC systems and SYSTO A/C control boards. OEM and ODM customization is available—choose branding, UI language, and feature sets to match your product line.

Why Choose SYSTO

With over two decades in remote control and HVAC accessories, SYSTO offers strong supply-chain stability and strict quality control. Our products are exported to Japan, Europe, North America and beyond, ensuring proven reliability in diverse climates and markets.

Trusted Manufacturing and Support

We provide full technical support, flexible order quantities, and reliable after-sales service. Whether you’re a retailer, distributor, or OEM partner, SYSTO supports fast delivery and long-term cooperation.

Applications

Perfect for residential heating and cooling, small offices, rental properties, and light commercial spaces. The SYSTO Digital Thermostat is an ideal upgrade for anyone seeking better comfort control and lower energy costs.

Choose SYSTO for a smart, simple, and dependable way to manage indoor climate—backed by decades of remote-control expertise and global service.

Product Images

  • QD-HVAC20-5
  • QD-HVAC20-6
  • The back of QD-HVAC20 Digital Thermostat for Central Air Conditioner

Qualification Certificate

  • EMC-EFGX25040459-IE-03-FCC-Grant

    EMC-EFGX25040459-IE-03-FCC-Grant

  • CERTIFICATE-of-EC-REP

    CERTIFICATE-of-EC-REP

  • DL-241123014EC-CE-Certification-of-remote-control

    DL-241123014EC-CE-Certification-of-remote-control

Q&A

What’s the MOQ and delivery time?

Regular stock supports small quantities; custom MOQ and lead time depend on specific requirements.

Is it compatible with LG TVs?

Yes, it can operate LG TVs as an additional compatibility feature.

What’s the MOQ for bulk purchase?

Regular stock supports small quantities. Custom orders depend on requirements.

What is the “Anti-Cold Wind” feature?

It delays fan operation in heating mode to ensure warm air delivery.

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