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SEMO SmartHomes

Smart Thermostat HD- Color Touchscreen

Smart Thermostat HD- Color Touchscreen

Regular price $ 249.99 USD
Regular price Sale price $ 249.99 USD
Sale Sold out

The Smart Thermostat HD offers a sleek, color touchscreen display for an engaging customer experience that delivers the next-level of comfort and control.

With mechanical wire detection, an easy setup wizard, and local configuration, the Smart Thermostat HD makes installation a breeze.

The Smart Thermostat HD can also monitor the health of the heating and cooling system, deliver monthly performance reports, and even alert you to potential HVAC issues right on its display.

In the box

  • ADC-T40K-HD thermostat
  • ADC-T40K-HD touchscreen display
  • Installation guide
  • Drywall anchors and screws (x2)
  • Trim plate


  • Touchscreen display
  • Easy to use setup wizard
  • Z-Wave SmartStart and S2 compatible
  • Full integration with the
    platform – Scenes, energy-saving
    schedules, and geo-fences
  • Optional local scheduling -- install in a
    vacant home prior to account creation.
  • Humidity control
  • Vent control

Terminal guide

Terminal Description
RC Cooling power
RH Heating power
W2 Heat/aux stage 2
W Heat/aux stage 1
C Common wire from transformer
Z1 Configurable: W3, humidifier, dehumidifier, vent
Z2 Configurable: W3, humidifier, dehumidifier, vent
Y Cool/pump stage 1
Y2 Cool/pump stage 2
G Fan
O Heat pump reversing valve (Energized in COOL mode)
B Heat pump reversing valve (Energized in HEAT mode)


Power 24 VAC - C wire required
Dimensions (H x W x D) 4.7 x 4.7 x 1.07’’ (12 x 12 x 2.72 cm)
Operating temperature 41°F to 95°F (5°C to 35°C)
Communication Z-Wave SmartStart, Z-Wave S2 Authenticated/Unauthenticated

Compatible systems

Near universal 24 V compatibility Yes
Humidifier Yes
Dehumidifier Yes
Forced Air Yes
Heat Pump Yes – Compatible with both O and B systems
Heat Up to 3 stages
Cool Up to 2 stages
Dual Fuel Yes
Ventilation control HRV, ERV, External Air Baffle


Installation Guide


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Protect Your Home & Family

When it comes to protecting what's important to you, you're the one in charge. You are the one responsible. Who else is going to do it for you? We're here to help you get started ASAP with the very best in services and equipment for your home or business with easy finance options. When you install your own system you understand it fully and will learn the full potential of it and if trouble arises you'll be able to trouble shoot and fix the problem quickly. No waiting on hold or scheduling a service call.

  • Free Shipping

    Free shipping for orders over $200.