Will it work with your system?
Works well with
- Phone control and scheduling
- Heat pump systems
Check first if you have
- Line-voltage baseboard heat
- Millivolt gas heaters
What it controls
The Levoit LTM-A401S-WUS Smart Thermostat is a smart Wi-Fi thermostat. Its listing doesn't spell out which heating and cooling systems it supports, so run the maker's compatibility checker before you buy.
Check your wall for a C terminal: the listing doesn't say whether it needs a C wire. The C wire guide covers adapters.
The maker states heat pump support ("is compatible with Heating and Cooling Systems, Cooling Only System, Heat Pump Systems, an"), so it can drive an O/B reversing valve. What a heat pump needs from a thermostat.
Connectivity: Wi-Fi. It amazon Alexa, Android, Google Assistant, iOS.
Tick your terminals in the wiring checker to see whether its maker's statements cover your system.
Also on the listing: a weight of 5.9 ounces and a lcd.
Compatibility and specs
These come from the maker's listing for this exact model; the source of each is marked. Anything the maker leaves out is marked not stated.
| Model number | LTM-A401S-WUS | Retailer |
|---|---|---|
| Model name | Wifi Programmable Digital Thermostat | Retailer |
| Works with | Amazon Alexa, Android, Google Assistant, iOS | Retailer |
| Features (seller) | 4-inch big IPS Touchscreen, 7*24 Schedules and Flexible Routines, Auto Brightness Adjustment, C-wire Adapter Included, Levoit Smart Home Scene, Works with Smart Sensors | Retailer |
| Connectivity | Wi-Fi | Retailer |
| Power | AC powered | Retailer |
| Voltage | 120 volts, 24 volts | Retailer |
| Display | LCD | Retailer |
| Mounting / installation | Wall Mount | Retailer |
| Product weight | 5.9 ounces | Retailer |
| Material | Glass, Plastic | Retailer |
| C-wire | This thermostat comes with a C-wire adapter and is compatible with Heating and Cooling Systems, Cooling Only System | Retailer |
| Heat pump support | is compatible with Heating and Cooling Systems, Cooling Only System, Heat Pump Systems, and more | Retailer |
Strong points and weak points
Strong points
- Heat pump support stated
- Works with Amazon Alexa, Android, Google
Weak points
- C-wire need not stated
- Needs Wi-Fi for smart features
Wiring and install notes
- Compatibility statements are the maker's own. Confirm with the maker's compatibility checker, turn the power off before wiring, and leave line-voltage and furnace work to a licensed electrician or HVAC technician.
Thermostats to compare it with
FAQ
Does the Levoit LTM-A401S-WUS Smart Thermostat need a C wire?
Does the Levoit LTM-A401S-WUS Smart Thermostat work with a heat pump?
Other smart thermostats with similar wiring
Our take
A fit for phone control and scheduling.
Where to get it
The link goes to this exact model's listing. Check that the box includes the trim plate or C-wire adapter you need, and confirm your wiring with the maker's compatibility checker before you order.
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