The tekmar Invita 564 Wi-Fi thermostat uses an existing two-wire connection to an HVAC Interface Module and supports conventional, heat pump and dual-fuel systems. The WattsHome app provides remote control, while Amazon Alexa and Google Home enable voice operation; programmable scheduling includes early start mode.
Invita 564 thermostat highlights
Two-wire installation
It connects to an HVAC Interface Module using the existing two wires, avoiding the need to pull new cable.
Heat pump cold-weather operation
The heat pump can operate down to -22°F (-30°C) before backup heat activates.
Humidity management
A built-in sensor supports control of humidifiers and dehumidifiers.
System alerts
The thermostat can provide fault alerts for ERV, heat pump, boiler and sump pump systems, plus maintenance alerts.
Smart-home control
Use the WattsHome app for remote access or pair it with Amazon Alexa or Google Home for voice control.
Virtual emulator
The emulator lets users explore, configure and test the thermostat in a virtual environment.
Invita 564 thermostat specifications
App: WattsHome
Wiring: Existing two-wire connection to an HVAC Interface Module
Approval: ENERGY STAR
Scheduling: Programmable scheduling with early start mode
Voice control: Amazon Alexa and Google Home
Display themes: Five colour themes
Control functions: Temperature, fan, humidity and ventilation
Heat pump operation: Down to -22°F (-30°C) before backup heat activates
System compatibility: Conventional, heat pump and dual fuel
Additional compatibility: Watts FloodSafe Water Detector Shutoff
