18/04/2026
Tado Smart Thermostats and TRVs: Proven to save 30% on gas bills!
In March 2025, I performed a boiler service for Mr. A and installed a Tado Smart Thermostat V3+. Returning to his home this March for his annual service, I naturally followed up to see how much of an impact the smart thermostat and Smart TRVs had on his energy bills. Mr. A reported a 30% saving!!!
After I installed the main Tado system last year, I guided Mr. A on how to DIY the installation of the Smart TRVs. He installed them in three bedrooms, the living room, kitchen, and dining room. Now, whenever a room is occupied, it is set to 18°C. Once that temperature is reached, the TRV closes the radiator. More importantly, when all rooms with Smart TRVs reach 18°C, the system shuts down the boiler entirely. Unlike traditional TRVs, Smart TRVs can "call for heat" or tell the boiler to stop independently of the main thermostat. This precise control is likely why he has seen such significant energy savings.
Mr. A also shared a great tip: when using Tado Smart TRVs, opt for IKEA rechargeable batteries. These are actually manufactured by Panasonic and are very durable. Avoid Amazon Basics rechargeable batteries, as they are slightly larger in diameter; once inserted into a Tado unit, they can be extremely difficult to remove. Please keep this in mind!
The photo shows a Tado Wireless Smart Thermostat V3+ starter kit I installed yesterday. Tado is currently on sale, so it’s a great time to look into it! You can buy the TRVs separately—I recommend waiting for an Amazon sale to grab those.
https://shop.tado.com/en-gb/products/wireless-smart-thermostat-starter-kit-v3-with-hot-water-control?variant=54365872029964&utm_source=awin&utm_medium=affiliate&source=aw&utm_source=awin_uk&utm_medium=affiliate&utm_campaign=www.google.com_Shoparize+CSS&utm_content=0&utm_term=323889&aw_affid=323889&awc=24881_1775251245_f47d4d6bbe2f00b9b475c81f283f8517
A huge thank you to Mr. A for sharing his genuine experience. He is constantly researching smart home tech, and I continue to learn from him!
Registered UK Gas Engineer
Gas Safe No: 661747
WhatsApp: 07706707024