YoLink Heat Pump Thermostat Review: Specs, Pros and Cons

What stands out

• LoRa wireless technology provides up to 1/4 mile range for large homes
• Supports dual-stage heating and cooling for precise temperature control
• Compatible with up to two YS8007-UC remote sensors for room monitoring
• Integrates with Alexa, Google Home, IFTTT, and Home Assistant
• Includes ECO Mode to automatically optimize settings and reduce power usage

Who it fits

YoLink Heat Pump Thermostat Key Specs

Voltage: 24VAC

This rating indicates the thermostat requires a standard 24-volt alternating current power supply. Most residential HVAC systems, including heat pumps, use this voltage level. You must verify your system provides this power before installation. If your system uses line voltage (120V or 240V), this device is incompatible. Check your existing thermostat wiring or manual to confirm compatibility. This is a standard requirement for most smart thermostats.

Connectivity: LoRa

LoRa is a long-range wireless protocol that operates outside standard Wi-Fi bands. The listing states it offers a range of up to 1/4 mile. This is useful for large homes or commercial spaces where Wi-Fi signals are weak. It reduces reliance on your home network for device communication. Compare this to Wi-Fi thermostats that need strong router coverage. LoRa can penetrate walls better, ensuring stable connections in challenging layouts.

Sensor Support: Up to two YS8007-UC remote sensors

You can connect up to two specific YoLink remote sensors to this thermostat. These sensors monitor temperature in different rooms. The thermostat uses this data to adjust heating or cooling based on where you spend the most time. This helps eliminate hot or cold spots in your home. You must purchase these sensors separately. This feature is valuable for multi-zone comfort without installing a complex zoning system. It ensures the main unit responds to actual room conditions.

Wiring Requirement: C-wire required

This device needs a continuous power wire, known as a C-wire, to function. It does not draw power from the heating or cooling wires. You must have a C-wire available in your thermostat box. If your current setup lacks this wire, you may need an adapter or professional installation. This ensures stable operation and prevents battery drain issues. Many older thermostats do not include a C-wire, so check your existing wiring before purchasing.

System Compatibility: 24VAC Heat Pump

This thermostat is designed specifically for heat pump systems operating on 24VAC power. It supports dual-stage heating and cooling for these systems. If you have a standard furnace or air conditioner, verify if this model fits your setup. Heat pumps require specific control signals for reversing valves and auxiliary heat. This device handles those signals. Ensure your heat pump matches the voltage and stage requirements listed.

Design and build overview

According to the listing, the YoLink Heat Pump Thermostat (YS4004) features a white finish. This color choice allows the unit to blend into most interior wall spaces without drawing attention. The device measures 3.58 inches in height and 0.87 inches in depth. These dimensions suggest a compact profile that fits standard wall plates. The unit weighs 8.15 ounces, indicating a lightweight construction that is easy to handle during installation.

The thermostat is designed for 24VAC systems, which is the standard power requirement for most residential heat pumps. You must ensure your existing HVAC setup provides this voltage level. A C-wire is required for power, meaning you need a common wire connection to keep the device running continuously. This wiring requirement is typical for smart thermostats that need constant power for their wireless connectivity features.

The listing notes that the device supports up to two YS8007-UC remote sensors. This feature allows you to place sensors in specific rooms for more accurate temperature readings. The thermostat itself does not appear to have a built-in display mentioned in the specs, so you will likely rely on the YoLink app for control. The white plastic casing is built for durability in typical home environments. The simple rectangular design focuses on functionality rather than decorative elements, making it suitable for practical use in various room settings.

Setup and everyday use guide

You must verify your HVAC system provides 24VAC power before beginning installation. The listing specifies that a C-wire is required for operation. This means you need a common wire to supply continuous power to the thermostat. If your existing setup lacks this wire, you will need to address that during the wiring phase. The device is designed for DIY installation, allowing you to mount it directly to your wall.

For connectivity, the unit relies on LoRa technology. This protocol supports a wireless range of up to a quarter mile. You can connect up to two YS8007-UC remote sensors to monitor temperature in specific rooms. The YoLink hub is necessary to bridge the thermostat to your network, but it is sold separately. Once connected, you can manage schedules and modes through the YoLink app from any location.

Daily operation includes dual-stage heating and cooling for precise temperature control. You can enable ECO mode to automatically optimize settings for energy efficiency. The thermostat integrates with Alexa, Google Home, IFTTT, and Home Assistant for voice commands. It is compatible with 24VAC heat pump systems. You can choose between one-stage or two-stage configurations depending on your specific hardware needs. The white finish keeps the unit unobtrusive on your wall.

Before you buy this thermostat

You need a YoLink hub to use this device. The listing notes the hub is sold separately. Without it, the LoRa connectivity and remote sensor support will not function. You must also confirm your heat pump system uses 24VAC power. A C-wire is required for continuous operation. If your current setup lacks this wire, you will need to install one before mounting the unit. The device works with Alexa, Google Home, and Home Assistant. You should verify your existing smart home ecosystem supports these integrations. The thermostat pairs with up to two YS8007-UC sensors. These allow you to monitor climate in specific rooms. This feature suits larger homes or commercial spaces with uneven heating. The unit is part of an 80+ device ecosystem. You can expand your setup with other YoLink products. This thermostat fits well alongside other smart controls if you prioritize long-range wireless communication. It offers precise dual-stage comfort for heat pump systems. Ensure your wiring matches the specifications before purchasing.

Check before you buy

• Verify your heat pump system provides 24VAC power.
• Confirm you have a C-wire for installation.
• Purchase a separate YoLink hub for connectivity.
• Check compatibility with Alexa or Google Home.
• Ensure space for up to two remote sensors.

The product at a glance

1

YoLink Heat Pump Thermostat

Best for: large properties using dual-stage heat pumps

System Compatibility

Heat pump, dual-stage HVAC

Voltage

24VAC

Wiring Requirement

C-wire

Smart Home Compatibility

Alexa, Google Home, Home Assistant

Programmability

Schedules

Connectivity

LoRa

View on Amazon: YoLink Heat Pump Thermostat Affiliate link

The YoLink Thermostat 2 is a 24VAC smart thermostat built for heat pump systems with dual-stage heating and cooling. It relies on LoRa wireless technology with a range of up to one-quarter mile and supports up to two remote climate sensors. You can program schedules and monitor temperatures remotely if you have an existing 24VAC setup with a C-wire.

Pros

• LoRa wireless communication reaches up to 1/4 mile
• Controls dual-stage heating and cooling heat pump setups
• Integrates with Alexa, Google Home, IFTTT, and Home Assistant
• Supports up to two YS8007-UC external sensors

Cons

• Requires a separate YoLink hub for smart features
• Requires a dedicated 24VAC C-wire connection
• Caps external monitoring at two YS8007-UC sensors

Good fit if

• You need long-range LoRa wireless coverage across a large building.
• You operate a dual-stage heat pump system wired with a C-wire.
• You already use or plan to deploy a YoLink hub.

Skip if

• You do not have a 24VAC C-wire at your thermostat location.
• You want a standalone Wi-Fi thermostat that operates without a hub.
• You need to link more than two remote sensors directly to the unit.

Verdict: YoLink Thermostat 2 Smart Heat Pump suits owners of dual-stage heat pump systems who need long-distance LoRa connectivity across large properties. It works specifically for users prepared to run a C-wire and connect through a YoLink hub.

Specifications side by side

Frequently asked questions

See also

• yolink heat pump thermostat alternatives
• best smart thermostats under 50
• best smart thermostats for heat pump
• aquastrong hex035top heat pump review