The 4iE is a Smart heating thermostat that works with your smartphone to give you optimal, cost-effective and energy-efficient heating. For use with both electric and water underfloor heating systems, the 4iE does not require programming and uses Warmup’s latest technologies to ensure your home is always at the desired temperature, at the right time, for you.
Easy to use and fully compatible with Warmup’s electric and hydronic floor heating systems, the 4iE Smart WiFi Thermostat saves you energy and money.
Always at the right temperature
SmartGeo™ technology makes sure your home is automatically warm just as you arrive and running efficiently when you’re away.
Always on the best tariff
Download the AutoSwitch™ app for automatic tariff switching – never overpay on your energy bills again, saving you up to £210 a year.
Easy to use
The 4iE’s heating controls are easy to use and it doesn’t require programming. The set-up can be completed within a few simple steps.
Maximises your home’s energy-efficiency
Making sure your home’s floor heating is gently warmed for when you need it and running at lower temperatures when you don’t, the 4iE and its SmartGeo technology cuts down on energy wastage, thereby reducing your energy costs too. Using the 4iE alongside Warmup’s MyHeating and AutoSwitch apps can save you up to £378 a year on your annual energy bills.