How to Reduce Your Energy Bills and Carbon Footprint

Learn how to reduce the environmental impact of your boiler, including upgrading to a more efficient model, switching to renewable energy sources, and sealing and insulating your home. Save money and reduce CO2 emissions by making eco-friendly changes to your heating system.

Boilers are integral to many homes, providing heat and hot water to families across the country. However, boilers also impact the environment as they release carbon dioxide (CO2) emissions through burning fossil fuels like gas and oil. These emissions contribute to climate change by trapping heat in the Earth’s atmosphere, causing the planet to warm.

This article will explore ways to reduce the environmental impact of boilers and make eco-friendly changes to your heating system. You can save money on energy costs and reduce your CO2 emissions by taking action.

According to the Department of Energy and Climate Change, gas boilers are responsible for around 60% of CO2 emissions from a typical UK home, while oil boilers produce approximately 27%.

How to reduce your energy bills and carbon footprint PHS Trades Team

Reducing Carbon Emissions with a More Efficient Boiler

One way to reduce the environmental impact of boilers is to choose a more efficient model. Boilers are rated on a scale from A to G, with A-rated boilers being the most efficient and G-rated boilers being the least efficient. Upgrading to an A-rated boiler can save money on energy bills and significantly reduce CO2 emissions.

According to the Energy Saving Trust, a household that upgrades from a G-rated boiler to an A-rated boiler could save up to £340 per year on energy bills and reduce CO2 emissions by around 1,500 kilograms per year.

Switching to a Renewable Energy Source for Heating

Switching to a renewable energy source for heating can be a cost-effective and environmentally friendly option. Solar thermal panels use the sun’s energy to heat water, which can then be used for space heating and hot water.

A central heating technician can integrate these systems with existing heating systems, such as radiators or underfloor heating. They can be used to provide all or part of a home’s heating requirements, depending on the system’s size and the home’s heating needs. Solar thermal panels are generally more cost-effective in areas with high levels of sunlight, but they can still be effective in cloudy or cooler climates.

Ground Source Heat Pumps

Ground source heat pumps use heat from the ground to heat a home. You can use these systems to provide all or part of your home’s heating and hot water needs. They work by extracting heat from the ground through a network of underground pipes called a ground loop. The heat is then transferred to a fluid, which is circulated through a heat exchanger. Finally, the heat exchanger transfers the heat to the home’s heating and hot water systems.

Ground source heat pumps are generally more energy-efficient than other heating systems and can be used in a wide range of climates. They have a higher upfront cost than some other heating options, but they can save money on energy costs in the long run.

air source heat pump

Image: A air source heat pump installation outside a residential property.

Biomass boilers burn wood pellets, chips, or logs to generate heat. They can be used to provide all or part of a home’s heating and hot water needs. However, Biomass boilers are generally more expensive to install than other heating options, but they can be cost-effective in the long run, particularly in areas where wood is readily available, and the cost of fossil fuels is high. Biomass boilers can also help to reduce CO2 emissions, as the wood used to fuel the boiler absorbs carbon dioxide as it grows.

Switching to a renewable energy source for heating can have several benefits, including reduced energy costs and lower CO2 emissions. However, it is essential to carefully consider the options and choose a system that is suitable for your home and your needs.

Home insultation

Image: Home insulation in a loft conversion to reduce heat loss.

The Benefits of Sealing and Insulating the Home

Sealing and insulating your home can improve energy costs and reduce CO2 emissions by reducing heat loss and improving the home’s overall energy efficiency.

Heat loss can occur through various paths in the home, including walls, windows, doors, and the roof. Sealing air leaks and adding insulation can help reduce heat loss and keep your house warmer, leading to energy cost savings. Insulating the walls, attic, and floors can also help keep your home cooler in the summer, reducing the need for air conditioning and improving energy costs.

By reducing heat loss and improving your home’s energy efficiency, sealing and insulating your home can also help to reduce CO2 emissions. This is because less energy is needed to heat and cool the house, which means fewer fossil fuels are burned, and fewer CO2 emissions are released into the atmosphere.

Overall, sealing and insulating the home can be a cost-effective way to improve energy efficiency, reduce energy costs, and reduce CO2 emissions. However, it’s always a good idea to consult with a professional or conduct an energy audit to determine the best areas to seal and insulate in your home.


Draughts are sneaky culprits that allow air to seep in and out of your home, leading to energy wastage and high bills. Fortunately, draught-proofing can help combat this problem, and it’s an easy and cost-effective solution.

By sealing up gaps and cracks around your home, you can prevent heat loss during winter and keep your home cool during summer. This not only saves energy and reduces emissions, but it also helps to create a more comfortable living environment for you and your family.

With draught-proofing, you can improve the energy efficiency of your home and reduce your carbon footprint. So, whether you’re building or renovating, be sure to consider draught-proofing as a key principle of energy-efficient design.

Proper Boiler Maintenance and the Use of Thermostats

Scheduling an annual boiler service is essential for ensuring it runs efficiently and can extend the life of your boiler. This can include cleaning the boiler, checking the flue for blockages, and replacing worn or damaged parts. Regular maintenance can help improve the boiler’s efficiency, leading to energy cost savings and reduced CO2 emissions.

Using a thermostat to control the home’s temperature can also help reduce energy use and costs. A thermostat allows you to set the desired temperature for your home and automatically adjust the heating to maintain that temperature. This can help reduce energy waste by only heating your home when needed rather than leaving the heating on at a constant temperature.

There are various types of thermostats available, including programmable thermostats that can be set to turn off the heating when the home is empty or at certain times of the day. For example, using a thermostat to lower the temperature by just 1°C can potentially save up to £75 per year on energy bills and reduce CO2 emissions by around 210 kilograms per year.

Solar Panel Install

Image: Solar PV Installation on a residential property.

Long-Term Benefits of Investing in Efficiency and Renewables

Investing in a more efficient boiler or switching to a renewable energy source for heating can have long-term financial and environmental benefits. In addition to potentially lower energy costs, these options significantly reduce CO2 emissions and contribute to the fight against climate change.

In addition to the financial benefits, using a more efficient boiler or renewable energy source can significantly reduce CO2 emissions. For example, a household that switches from an oil boiler to a high-efficiency gas boiler could reduce CO2 emissions by more than 1,500 kilograms per year. Similarly, a family that installs solar panels or a ground source heat pump could reduce CO2 emissions by around 4,000 kilograms per year.

Government Policies and Incentives

Government policies and incentives also promote the adoption of more efficient boilers and renewable energy sources for heating. These include tax credits, grants, and other financial incentives to encourage the use of energy-efficient products and technologies.

If you’re a homeowner in Essex and have a household income of less than £30,000, you may be eligible for up to £10,000 of work to make energy-efficient improvements to your home with the Sustainable Warmth Scheme.

In addition to the Sustainable Warmth Scheme, the Green Deal aims to help you make energy-saving improvements to your home and find the best way to pay for them. This includes solutions such as insulation, heating and double glazing.

By taking action to reduce the carbon footprint of boilers, households can help protect the environment and make a positive impact on climate change. Whether upgrading to a more efficient boiler, switching to a renewable energy source, sealing and insulating your home, or adequately maintaining your existing boiler, there are many ways to make a difference.

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About the author

Trades Team are experts in Heating, Plumbing and Gas Services. We have 15 years of experience providing expert Boiler Repair and Boiler Servicing to homes and businesses across the Southeast. Learn more about Trades Team.

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