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Heatmiser WiFi - v 8.0.0

We have a number of integrations available for the Heatmiser range of heating controls.

If you want to control Heatmiser 12v Networked Thermostats for underfloor heating with the UH1 wiring centre then please follow this link to take you to the correct product.

This driver is able to control the Heatmiser range of WiFi enabled thermostats.  This enables you to integrate with the following heating systems:

  • Underfloor heating wireless control using the UH1-W and combined RF & WiFi Thermostats
  • Electric Underfloor Heating
  • Conventional Boiler/Combi Boiler Heating

The driver enables two way communication between the Heatmiser thermostats and the Control4 system.  Schedules and set points can be set up on either system.  A driver is also included for the non-programmable versions of the thermostats. These WiFi thermostats are ideal for retrofitting to the vast majority of existing systems.

Heatmiser provide a free iOS or Android App for remote control.  This is compatible with this driver as long as the Heatmiser Multi-Link product has been installed in the system.

To help you design and configure a Control4-Heatmiser integration we have produced a 'Solutions Document'.  Once you have logged in, you can download this from the Downloads tab.

If you have both underfloor heating and an HVAC system then you should consider adding the Thermostat Controller driver.  This will control both systems and stop them from fighting one another.

Supported manufacturer models

All Heatmiser WiFi enabled thermostats

Supported Control4 operating systems

Compatible with Control4 OS 2.2 and above ONLY

Control4 Processor Requirements

HC250 can be used on smaller systems.  Please check Control4's recommended processor requirements for your specific project.


Holiday mode
Currently holiday mode can only be set from the Heatmiser interfaces.
Hot Water
There are no dedicated Hot Water 'buttons' on the Control4 interface. The driver provides these commands in Custom Programming so they can be added to Custom Buttons.  Please note it is not possible to view or edit the Hot Water schedules from Control4.
Hold periods
From the Control4 interfaces you can only set a 2 hour hold period.

Further information

The Extra Vegetables Control4 driver for the Heatmiser WiFi thermostats implements the following features:

Works with all programmable Heatmiser WiFi Thermostats.
The driver will work with the range of WiFi enabled thermostats.

Compatible with Heatmiser iPhone app.
The Control4 driver will work alongside the free Heatmiser iPhone app as long as the Heatmiser Multi-Link is installed.

Control heating set points from the Heatmiser or Control4 interfaces. 
Heating set points can be set either on the the Heatmiser thermostats or on the Control4 interfaces. Any changes made are automatically communicated between the two systems.

Scheduling support
You can adjust the heating schedules on both the Heatmiser stats and the Control4 interfaces.  Changes made on either device are synchronised across to the other.

Allows web control of heating via 4Sight. 
With the Control4 integration in place your customer can control their heating set points via 4Sight. There's no need for them to use a separate interface for the heating control and no additional Heatmiser equipment is required to enable remote control of the heating.   You can also adjust the heating schedules remotely with the flash version of 4Sight.

Allows setting and recalling of heating 'scenes'. 
Heating scenes are a simple way for your customer to set heating points throughout the property.  This is ideal for weekend and holiday homes.  You can define a scene which will warm the property up before they arrive and another to turn the heating down when the leave.  With 4Site all can be set remotely without any additional Heatmiser equipment.

Works with the Thermostat Controller/Combiner driver
Our additional controller/combiner driver provides a convenient way of providing a master thermostat for a floor or whole building.  A retrofitable intelligent heating control system for commercial applications is now possible with Control4.


This driver is an independent commercial release by Extra Vegetables Ltd.  It is not authorized or supported either by Control4 or Heatmiser.  Extra Vegetables fully support the driver through its authorized dealer network.

Click to enlarge


  • Works with all programmable Heatmiser WiFi Thermostats.
  • Compatible with Heatmiser iPhone app.
  • Control heating set points from the Heatmiser or Control4 interfaces. 
  • Scheduling support
  • Allows web control of heating via 4Site. 
  • Allows setting and recalling of heating 'scenes'. 
  • Works with theThermostat Controller/Combiner driver