Multi-Zone Thermostats
Choose smart thermostat replacements for each existing low-voltage HVAC zone, and avoid confusing room sensors or fans with true zone control.
MRCOOL COMFORT MADE SIMPLE MST04 Smart Programmable Thermostat 4 Heat / 2 Cool Touchscreen
For homeowners in the US managing a rental property or a vacation home, the MrCool Smart Programmable Thermostat MST04 gives you remote control over comfort and energy costs. Unlike basic smart thermostats that just adjust temperature, this device lets you schedule 4 heat and 2 cool stages to match your daily routine. Use the 3.9-inch LCD touchscreen to set a program that lowers heat while you're at work and warms up before you return. The backlit display is easy to read at night. With Wi-Fi connectivity, you can change the temperature from anywhere using the app. Voice control works with Alexa and Google Assistant, so you can adjust settings hands-free. No more worrying about whether you left the AC running. This thermostat gives you practical control over your home's climate.
Features
- 3.9 inch LCD touchscreen display
- WiFi capable for remote control
- 4 heat / 2 cool stages
- Modern sleek design with backlight
- Compact size for easy wall mounting
- Compatible with Alexa and Google Assistant
General specs
- Brand: MRCOOL COMFORT MADE SIMPLE
- Model: MST04
- Seller: Retailer
- ID: B0DQR93VFJ
- Brand: MRCOOL COMFORT MADE SIMPLE
- Model: MST04
- Mounting: Wall mountable
- Backlight: Yes
- Screen Size: 3.9 inches
- Connectivity: Wi-Fi
- Display Type: LCD Touchscreen
- Voice Control: Yes
- Remote Control: Yes
- Thermostat Type: Smart, Programmable
- (Depth) Dimensions: 3.9 inches
- (Width) Dimensions: 3.9 inches
- Cool Number Of Stages: 2
- Heat Number Of Stages: 4
- Smart Home Compatibility: Alexa, Google Assistant
- First listed by seller: May 28, 2026
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Delivery to 
United States
United States
Available
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MRCOOL COMFORT MADE SIMPLE MST04 Compatible with Alexa and Google Assistant
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| Brand | MRCOOL COMFORT MADE SIMPLE | Generic | Emerson | Energizer | ||
| Model | MST04 | 15Z69 | T4000ES | Sensi ST55U | ||
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| Price | €113.63 | €410.82 | €52.44 | €82.80 | €60.31 | €113.62 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | Jun 24, 2026 | May 29, 2026 | Jun 24, 2026 |
| Type | Thermostat | Smart WiFi Programmable Thermostat | Smart Wi-Fi Thermostat | |||
| Compatibility | Universal | Smart Home Systems | Most homes in North America | |||
MRCOOL COMFORT MADE SIMPLE MST04 Compatible with Alexa and Google Assistant
€113.63
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