tado° Smart Thermostat Starter Kit V3+ - Intelligent Heating Control, Works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT vs Google Nest Thermostat - Smart Thermostat for Home, Programmable WiFi Thermostat, Fog: Which Thermostats & Heating Controls Is Better?
Published 2026-07-29 · Updated 2026-07-29
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-07-29.
Our pick: the tado° Smart Thermostat Starter Kit V3+ - Intelligent Heating Control, Works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT — the best Thermostats & Heating Controls we tested, from £95.68.
Choosing a smart thermostat can be tricky, with options like the tado° Smart Thermostat Starter Kit V3+ and the Google Nest Thermostat vying for your attention. The tado° is typically priced at £129.99 and boasts broad compatibility with voice assistants, while the Google Nest Thermostat, currently available for £89.99, has received a slightly higher average customer rating to date – suggesting it may be a more accessible option for many homeowners looking to automate their heating. We’ll break down the key differences between these two popular smart thermostats to help you decide which one best suits your needs and budget.
See the full range in Thermostats & Heating Controls.
Planning ahead? Try our free Thermostat Turn-Down Savings Calculator →| tado° Smart Thermostat Starter Kit V3+ - Intelligent Heating Control, Works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT | Google Nest Thermostat - Smart Thermostat for Home, Programmable WiFi Thermostat, Fog | |
|---|---|---|
| Price | £95.68 | £207.21 |
| Rating | Rated 4.3 out of 5 stars (15,420) | Rated 4.5 out of 5 stars (6,521) |
| Brand | tado | Google Nest |
| Price | Mid-range | Budget |
| Connectivity | WiFi | WiFi |

#1 Pick
tado° Smart Thermostat Starter Kit V3+ - Intelligent Heating Control, Works with Amazon Alexa, Apple HomeKit, Google Assistant, IFTTT- WiFi
£95.68
Pros
- One of the best-selling smart thermostats in the UK with a huge review base
- Geofencing automatically turns heating down when everyone is out
- Wide smart home compatibility including Apple HomeKit
Cons
- Some advanced automations sit behind a paid tado° subscription

#2 Pick
Google Nest Thermostat - Smart Thermostat for Home, Programmable WiFi Thermostat, Fog- WiFi
£207.21
Pros
- ENERGY STAR certified for lower running costs
- Works with Google Assistant and Amazon Alexa
- Simple app-based scheduling and remote control
Cons
- Fewer boiler-specific hot water controls than UK-focused rivals
FAQ
What size is the tado° Smart Thermostat Starter Kit V3+ and does it fit all UK heating systems?+
The tado° V3+ thermostat itself measures approximately 80mm x 80mm x 35mm. It's compatible with most UK homes using wired immersion heaters, electric underfloor heating (UFH), or combi boilers, but you’ll need to check your existing system’s wiring before installation.
What materials is the tado° Smart Thermostat V3+ made from?+
The thermostat casing is constructed from a durable ABS plastic, designed for longevity and resistance to everyday wear. The sensor module is sealed to protect against moisture, ensuring reliable performance in your home’s environment.
How much does the tado° Smart Thermostat Starter Kit V3+ typically cost?+
The tado° Smart Thermostat Starter Kit V3+ usually retails for around £249 - £279 on Amazon UK, though prices can fluctuate depending on sales and promotions. Consider additional costs like radiator valves if you need replacements.
How do I maintain my smart thermostat?+
Regularly clean the tado° V3+ with a soft, dry cloth to remove dust and prevent it from affecting its accuracy. Avoid using harsh chemicals or abrasive cleaners that could damage the device’s surface.
Are there any safety regulations I need to be aware of when installing a smart thermostat?+
Ensure you follow all UK electrical installation regulations, particularly Part P of the Building Regulations. If you're not confident in your DIY skills, it’s advisable to hire a qualified electrician for the wiring and connection.
How does seasonal usage affect the tado° Smart Thermostat?+
The tado° thermostat adapts to your heating patterns throughout the year – automatically learning when you're home or away. During winter, it will lower temperatures when unoccupied; in summer, it’ll raise them for comfort.
How does the tado° Smart Thermostat compare to a Google Nest Thermostat?+
Both thermostats offer smart features and app control but the tado° V3+ focuses more on geofencing (adjusting based on your location) and integrates well with existing wired systems, while the Nest is generally simpler to set up for new installations.
What's the difference between a programmable thermostat and a smart thermostat?+
Programmable thermostats operate based on pre-set schedules, whereas smart thermostats learn your behaviour and adapt automatically. The tado° V3+ learns your routines and adjusts heating accordingly – it’s far more responsive than traditional models.
Can I control the tado° Smart Thermostat with voice assistants?+
Yes, the tado° V3+ is compatible with Amazon Alexa, Apple HomeKit (via a separate hub), Google Assistant and IFTTT. You can adjust your heating using voice commands or through the connected app.
What's included in the tado° Smart Thermostat Starter Kit V3+?+
The kit includes the thermostat unit, a battery pack for backup power, a magnetic radiator valve (compatible with most systems), and the installation guide. You’ll need to purchase separate radiator valves if your existing system uses different fittings.
In depth
Choosing a smart thermostat for your home is rarely straightforward; it’s a complex decision driven by factors far beyond just the temperature displayed on the screen. Here at [Website Name], we approach these evaluations with a layered methodology, starting with a thorough assessment of core functionality – heating and cooling responsiveness, integration with voice assistants (Alexa, Google Assistant), and ease of use through the accompanying app. We then move onto more nuanced considerations like scheduling flexibility, energy reporting accuracy, and compatibility with existing UK heating systems, which can vary significantly across homes and regions. Ultimately, our goal isn’t to simply recommend a “best” product; it's to equip you with the knowledge to select a thermostat that genuinely fits your needs and budget – particularly important given the unique demands of British weather and domestic property characteristics.
The UK climate is undeniably a key factor in any heating control system purchase, and smart thermostats are no exception. We consistently see homeowners underestimate the impact of prolonged periods of dampness and cold, leading to over-reliance on heating and, consequently, higher energy bills. Average UK home sizes also play a role; smaller properties will benefit greatly from precise temperature adjustments, while larger homes might require more sophisticated zoning capabilities – features not always standard in entry-level models. Furthermore, the UK’s building regulations regarding insulation and heating systems mean that many older homes may necessitate compatibility checks before installing any smart technology. It's crucial to ensure the thermostat you choose is compatible with your boiler type (Gloworm, Vaillant, etc.) and doesn't require intrusive wiring changes.
Price points within this category typically fall into three tiers: budget (£150-£300), mid-range (£300-£600), and premium (£600+). Budget options often represent a ‘gateway’ to smart heating, providing basic scheduling and remote control via an app. Mid-range thermostats introduce features like geofencing (adjusting the temperature based on your location) and more granular zone control. Premium models boast advanced algorithms for optimal energy efficiency, integration with whole-home automation systems, and often include professional installation services – a significant consideration given the potential complexity of wiring alterations. It’s important to remember that ‘smart’ doesn't always equate to ‘best value’; carefully weigh features against your actual usage patterns.
A common mistake among UK buyers is focusing solely on headline figures like “energy savings.” While smart thermostats *can* reduce energy consumption, this depends heavily on user behaviour – are you truly implementing the scheduling features effectively? Another prevalent error is neglecting compatibility checks. Many consumers assume all smart thermostats work seamlessly with their existing heating systems without verifying compatibility with their boiler manufacturer and model. Furthermore, many underestimate the importance of a robust app interface; a clunky or unintuitive app will quickly lead to frustration and abandonment.
Another frequently overlooked aspect is security. Smart thermostats connected to your home network are vulnerable to hacking – though manufacturers are continually improving security protocols, it’s vital to regularly update firmware and use strong passwords. Consider the level of data you're sharing with the manufacturer; some devices collect extensive usage data which could potentially be exploited. Finally, don't underestimate the value of customer support. Responsive and knowledgeable assistance is invaluable if you encounter any technical issues or need help configuring your thermostat correctly.
Finally, consider the long-term costs beyond the initial purchase price. Some thermostats require ongoing subscription fees for advanced features, while others may necessitate professional servicing after a certain period. Factor in potential installation costs – self-installation can save money but requires some DIY aptitude, whereas hiring a qualified heating engineer adds to the overall expense. Taking a holistic view of the total cost of ownership, including energy savings and maintenance, will help you make an informed decision and avoid costly mistakes when investing in a smart thermostat for your UK home.