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Researched#1 Widest compatibility

tado° Wireless Smart Thermostat X Starter Kit (with Hot Water Control and OpenTherm)

Starter Kit: Programmer X + Wireless Temperature Sensor X · RRP £159.99 when researched on 5 November 2026 (may have changed — see the shop prices below)

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Our verdict

A flexible starter kit that controls relay or OpenTherm boilers and heat pumps, with hot water control built in. Core control is free; tado°'s AI Assist features cost extra.

Best for: Homes that may later add room-by-room control, including heat-pump homes.

Will it work in my home?

Combi boilerSystem boiler (check)Regular boiler (check)Heat pumpOpenThermNeutral wire: not statedRenter-friendly

tado° says the kit works with most gas boilers and heat pumps using relay or OpenTherm control, and the Programmer X includes hot water control. The Programmer connects to the boiler or heat pump. tado° offers an online compatibility check — use it for system and regular boilers.

Not sure? Run the boiler checker →

Where to buy

  • Screwfix £139.99 · ViewIn stock · delivery not stated · price from retailer page, checked 6 Nov 2026, 16:50
  • tado° shop £159.99 · ViewIn stock · free delivery · price from manufacturer's own shop, checked 6 Nov 2026, 11:40

Prices as shown by the shop to UK consumers, normally including VAT. Prices can change. Delivery is the shop's stated standard UK charge for this item ordered on its own. Sorted by price, not commission. None of these links earn COMANORA money.

How we assessed this:researched from manufacturer documentation, installation manuals and UK pricing. Not hands-on tested. Our method

Key facts

Manufacturer's RRP (researched 5 November 2026)£159.99
Subscriptiontado° AI Assist: £47.88/year (optional) — £3.99 per month as listed by tado°. Optional: the free app covers control and schedules.
3-year cost with the optional tado° AI Assist plan (at RRP, researched 5 November 2026)£303.63
3-year cost (RRP + required subscription, researched 5 November 2026)£159.99
Powerbattery
InstallationDIY or installer
Works withAmazon Alexa, Google Home, Apple Home, Matter
In the boxProgrammer X, Wireless Temperature Sensor X, 3 × AAA batteries, fixings and cable
Programmer power230 V AC
Sensor power3 × AAA batteries
ConnectivityThread; Programmer connects to Wi-Fi; Matter-enabled
Display49 × 30 mm LCD with LED backlight
App requirementiOS 26 or Android 11 or later
Warranty2 years (tado° Premium Direct-Service Warranty)
Returns30 days (tado° shop)

Features

  • Relay or OpenTherm boiler control
  • Hot water control (Programmer X)
  • Programmer acts as a Thread Border Router — no Bridge X needed
  • Wireless Temperature Sensor X runs on 3 × AAA batteries
  • Suitable for wet areas (tado°)

Pros and cons

  • Supports both relay and OpenTherm control
  • Listed as compatible with heat pumps as well as gas boilers
  • Includes hot water control
  • No separate bridge needed with this kit
  • Several advanced features (such as geofencing and Energy IQ) are part of the paid AI Assist
  • Not compatible with older tado° V3+ products
  • The Programmer must be wired to the boiler or heat pump

Installation: what UK buyers need to know

tado° says the kit works with most gas boilers and heat pumps using relay or OpenTherm control, and the Programmer X includes hot water control. The Programmer connects to the boiler or heat pump. tado° offers an online compatibility check — use it for system and regular boilers. If you are not confident with the wiring, use a qualified installer. Any work on the gas side of a boiler must be done by a Gas Safe registered engineer.

What the manufacturer claims

These are the manufacturer's own claims. COMANORA has not verified them; your results will depend on your home.

  • tado° states an average 22% saving in heating costs, based on its own user data (manufacturer claim, not verified by COMANORA).

Want a realistic estimate for your home? Try our heating savings calculator.

Alternatives

tado° Smart Thermostat X Starter Kit vs Hive Thermostat Mini

Head-to-head comparison

Hive Thermostat

Combi-boiler homes that want a physical dial.

Hive Thermostat Mini

Combi-boiler homes that want a low-cost smart thermostat.

Netatmo Smart Modulating Thermostat

Owners of an OpenTherm boiler who want modulating control and fault alerts.

Sources