Not only do the Nest Thermostat E control and the Heat Link E thermostat look good with their minimalist designs, but they’re incredibly easy to install – Google claims that the process will take most people under an hour. This straightforwardness continues into everyday use: you can change the temperature via the intuitive app or via your chosen voice assistant. If your old thermostat isn’t working either, there might be a blown fuse in your HVAC system. Ask your HVAC technician to repair your HVAC system.

A multi-room system gives you much finer control: you can set a specific temperature target for each room and even create different heating schedules for different parts of your house. There’s more to configure, though, and each radiator you want to control will need to be fitted with a smart TRV, which can easily double the price of the whole system. Does the smart thermostat require professional installation? However, if the old thermostat works perfectly with your system, your Nest thermostat might be seriously damaged. Note that your Nest thermostat may charge for about an hour, especially if the battery is very low. Remote access: Controlling the device from our phones and Alexa may easily be one of the best features. The convenience is a game changer!coming/going from your home. Downside, the constant ping of your cellphone location decreases your phones battery life. To help you identify whether your heating system is a high voltage, millivolt, or proprietary, we’ll try to describe them:

After charging your Nest thermostat with a USB cable, you can start using it. However, you may need to call a technician to fix the charging problem in your thermostat. Read more about Nest thermostat charging issues. Home/Away Assist automatically adjusts itself to an Eco Temperature after you leave, so you don’t heat or cool an empty home; remote control lets you change the temperature from anywhere on your phone, laptop, or tablet[1] Proprietary Heating System: If your HVAC system only has 2 wires when you have both heating and cooling systems, your heating system is most likely proprietary. Nest Thermostat sales regularly shave cash off these pricey smart home accessories. That's perfect if you're kitting out your abode from scratch, but also great if you're replacing an older system and don't want to break the bank. Not only do we often see straight discounts on these devices, but bundle offers are also common. You can save on multiple units simultaneously or with an extra smart home kit on top. You need to know where to look. That's why we're bringing you all the best Nest Thermostat sales live right now - on the highest-value models, no less.The Nest comes in a range of attractive colours and it’s easy to use: the whole outer casing acts as a dial, giving you highly tactile control over temperature, schedules and other features. You can alternatively configure everything from the smartphone app – but you shouldn’t have to do much of this as the Nest is designed to learn your preferences and create a heating schedule automatically. Programmable smart thermostat that learns your schedule and the temperatures you like and programs itself to help you save energy and stay comfortable

Key specs – Remote thermostat: Yes; Hot water support: Yes; Individual radiator control: No; Voice assistant support: Alexa, Google Assistant; IFTTT: Yes; Warranty: 2yr RTB 7. Honeywell Lyric T6: The best-value smart thermostat If you have a Nest thermostat model that uses AAA alkaline batteries, replace them with a fresh set of the same batteries. If none of the solutions above fixes your Nest thermostat, the device may be damaged. To confirm this, install your old thermostat again to see if it works.

We round up the best smart thermostats from brands such as Tado, Nest and Honeywell

Smart thermostat with HVAC monitoring, which looks out for your heating and cooling systems; sends an alert if something doesn’t seem right, along with helpful reminders to make maintenance easier[2]