Updated: 10 February 2025

Smart Home Integration With Boilers: Controlling Your Heating from Anywhere

By: Andrew Bevan
Andrew Bevan
Head Copywriter

The UK government’s Net Zero commitment aims to reduce greenhouse gas emissions to zero by 2050. To achieve this, the government is planning on:

  • Cutting emissions;
  • Offsetting emissions through carbon capture;
  • Reforestation;
  • And other carbon removal technologies, to name a few.

Smart home technology is central to the UK government’s plan to cut household carbon emissions.

According to Energy Saving Trust, as of late 2023, over 60% of all meters in Great Britain were smart. The government targets installing smart meters in 74.5% of homes and 69% of small businesses by the end of 2025.

Most UK boiler installers (including us) will include a smart thermostat with their quote for a new unit. Installing a smart thermostat is still optional and not legally required.

While the government wants UK homeowners to integrate smart home technology with their boilers, what’s in it for you?

Why Integrate Your Boiler With A Smart Home System?

Smart technology integrated with your boiler has many advantages, which include the following:

Energy Efficiency And Cost Savings

The Department of Business, Energy and Industrial Strategy (BEIS) anticipates smart meters will reduce energy consumption by 2.2% for gas and 0.5% for gas prepay meter clients.

Heating a home in the UK accounts for a significant portion of a household’s energy use. With smart technology, devices can learn usage behaviour and adjust heating accordingly.

Also, with new possible smart integrations, boilers are evolving to meet new technological features offered by the latest devices, such as:

  • Dynamic Burner Control adjusts the flame output to meet real-time demand, avoiding excessive energy use.
  • Flow Temperature Optimisation ensures water is heated to the required temperature without excess waste.

These new boiler features mean homeowners can see savings in their billings. Data from the Environmental Protection Agency (EPA) say smart thermostats meeting Energy Star criteria can save users an average of 8% on their utility (heating and cooling) bills.

Convenience

It’s never been easier to adjust your home’s heating. Just call your device’s name, give directions, and it will start working.

Homeowners literally don’t need to lift a finger.

Smart thermostats offer significant convenience bonuses.

For example, if you’re not home and have forgotten to turn off your heating, you can do so via your smartphone. Alternatively, if the weather has turned bad, you can preheat your home for your arrival.

Another massive benefit is instant notifications and alerts if there is a malfunction, unusual energy consumption, or the boiler is due for its annual service.

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Detailed Monitoring And Insights

Using smart technology with your home’s boiler allows homeowners to access new information never available to them in real time.

Homeowners can:

  • See real-time fuel usage
  • View current energy bills
  • Set up usage alerts
  • Receive notifications for maintenance tasks, like needing to be repressurised.

Monitoring this data in real-time will also allow you to call in a Gas Safe registered engineer before a costly breakdown occurs.

Also, Artificial intelligence (AI) will enhance energy efficiency by predicting and automating energy use.

AI will generate predictive energy consumption models that will optimise the operation of appliances, learn to fine-tune energy use based on your behaviour and adjust heating systems based on expected temperature changes.

Now that we’ve gone over why you should integrate smart technology with your home’s heating system, how does it all connect?

How Smart Home Integration Works

Many property owners are still unfamiliar with the concept of smart home integration. However, it is relatively easy to connect and get started.

Some smart heating devices require physical installation into the boiler system for integration.

A great example of a technological device that is physically installed into a heating system is Smart Thermostatic Radiator Valves (STRVs). These devices monitor and have physical motors to adjust your heating control system.

STRVs can be opened and closed by users via smartphones or an integrated AI system.

However, due to software compatibility issues, STRVs might not sync up with smart thermostats.

All these smart devices will connect to your home’s Wi-Fi network and, from there, connect to your phone, which will enter all the data collected and present it in a neat app.

For your home’s heating system to become smart, you will need to install some key components and perform checks:

Smart Thermostat

Devices like Salus and Hive allow homeowners access to the features mentioned. Other features that smart thermostats allow users to access include:

  • Schedule setting
  • Remote temperature and function adjustments
  • And the option to integrate with other smart devices.

Depending on the device you’ve invested in, you could have access to AI features. While this might seem overwhelming to install, our WarmInstallers will install and educate you on how to use it.

Boiler Compatibility

Many newer boilers are now built with some smart compatibilities. However, some older boilers may require additional hardware, such as a smart relay switch or OpenTherm adapter, to enable some smart features.

*Installing an OpenTherm adapter may void your boiler’s thermostat warranty.

Mobile Apps And Voice Control

Most smart thermostats have companion apps for Android and iOS operating systems, and many work with voice assistants like Alexa and Google Assistant.

Installing a voice assistant is simple. Most devices only require connecting to your home’s Wi-Fi and following setup instructions.

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Integration with Other Smart Devices

Linking your heating system with other smart devices, such as occupancy sensors (which can tell if you’ve left a room) or weather forecasting features, will enhance your home’s efficiency.

Integrating all these smart devices will mean you can gather loads of data and allow them to work together to:

  • Optimise your home’s climate;
  • Reduce unnecessary energy consumption;
  • And adjust heating based on real-time environmental conditions.

Now that we understand how smart technology can be integrated and works in your home, what should you look for when selecting one?

Choosing The Best Smart Thermostat For Your Home

Selecting the right smart thermostat will ensure your home’s heating system is constantly connected and working efficiently.

Here are some key factors to consider when choosing your home’s new smart thermostat:

Compatibility

It’s best to check if your smart thermostat is compatible with your home’s boiler. Compatibility also means checking whether the boiler type in your home will work with the smart device.

For older boilers, homeowners may need to attach additional adaptors for their new smart thermostats to work.

Features

Always review what the listed features do with smart thermostats. Features that are currently must haves are:

  • Geofencing Technology, which turns off heating/cooling when no one is home without activating it.
  • Zonal Heating Control allows property owners to heat different areas of their homes independently, reducing unnecessary energy use.
  • Adaptive Learning ensures the system runs when needed rather than relying on fixed schedules.

As this is a constantly evolving sector, we’d strongly suggest reading closely what all the new features deliver.

Integration Options

A modern inconvenience we’re all aware of is smart devices not talking to one another. If you have an existing smart home setup, ensure your new thermostat can connect easily.

After all, if they can’t talk to each other, you’ll miss out on valuable data.

Energy Monitoring And Usage Reports

While most smart thermostats will produce detailed energy reports, it’s always best to double-check if this feature is included.

Also, check if this information can be exported, presented in charts that are easily understood, and viewed in real-time.

Once you’ve selected your home’s new smart thermostat and bought it, you might want to install it.

Installing Your Smart Thermostat

No two boiler brands are alike; the same goes for smart thermostats. However, the setup usually involves the following simple steps:

  1. Turning off the power to the boiler.
  2. Install the new smart thermostat in place of your old one.
  3. Connect the smart thermostat to Wi-Fi and download its dedicated app.
  4. Once happy, you can configure your boiler’s new schedules and automation preferences.
  5. After everything is done, it is time to test the system to ensure smooth operation.

While this may seem like an easy process, we understand that those who are technophobes will not be keen to DIY their smart thermostats.

But who is going to help?

WarmZilla Is Ready To Connect You To Your Boiler

Whether you’re looking to cut energy costs, enhance convenience, or future-proof your home, a smart thermostat can help you manage heating effortlessly from anywhere in the world.

However, if you’re unsure about installing it yourself, our WarmInstallers can do it within 48 hours, no matter where you are in the UK.

Or contact us if you’re looking for a professional to talk you through the installation.

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About the Author

Andrew Bevan
Head Copywriter
Andrew is a Gas Safe Engineer who also writes about the boiler and home service industry. With years of hands-on experience under his belt, he now focuses on sharing his knowledge—and making his own tea.