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Researched#1 No subscription

Wiser by Drayton Radiator Thermostat (2nd Generation)

Wiser Radiator Thermostat (2nd Gen) · RRP £59.99 when researched on 5 November 2026 (may have changed — see the shop prices below)

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Our verdict

A subscription-free radiator thermostat with long stated battery life and a 3-year warranty, for Wiser systems.

Best for: Room control in a Wiser system without any subscription.

Will it work in my home?

Combi boilerSystem boilerRegular boilerHeat pump (check)OpenThermNo neutral wire neededRenter-friendly

Wiser says it fits over 95% of existing radiator valves. A Drayton valve body (£19.49) is available for radiators without a thermostatic valve.

Not sure? Run the boiler checker →
You will also need:
  • Wiser 2nd Generation HubR (sold in Wiser kits) (£142.80). 1 Channel HubR listed at £142.80 (sold out when checked).

Where to buy

  • Wiser by Drayton shop £59.99 · ViewIn stock · + £5.99 delivery (free over £75) · price from manufacturer's own shop, checked 6 Nov 2026, 16:50

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)£59.99
SubscriptionNone
Upfront cost if you need everything listed (at RRP and listed prices, researched 5 November 2026)£202.79 (product + Wiser 2nd Generation HubR)
3-year cost (RRP + required subscription, researched 5 November 2026)£59.99 plus required extras listed above
Powerbattery
InstallationDIY
Works withAmazon Alexa, Google Home
Temperature range5 °C to 30 °C
Battery lifeMore than 2 years with included alkaline batteries (Drayton claim)
ConnectivityZigbee certified
Warranty3 years (Wiser)

Features

  • Open-window detection
  • Twist-top boost
  • Device lock
  • Works with Ni-MH rechargeable batteries
  • No subscription fee

Pros and cons

  • No subscription
  • 3-year warranty
  • Rechargeable Ni-MH batteries supported
  • Open-window detection built in
  • Needs a Wiser 2nd Generation HubR
  • No Apple Home support listed

Installation: what UK buyers need to know

Wiser says it fits over 95% of existing radiator valves. A Drayton valve body (£19.49) is available for radiators without a thermostatic valve. 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.

Alternatives

tado° vs Hive vs Wiser smart radiator thermostats

Head-to-head comparison

Hive Radiator Valves

Homes already using Hive.

Netatmo Additional Smart Radiator Valve

Adding room control to an existing Netatmo system.

tado° Smart Radiator Thermostat X

Adding room-by-room control to a tado° X system.

Sources