How to replace your old boiler - And possibly qualify for a replacement grant

The Ultimate Guide to Upgrading Your Boiler: Save Energy and Money

How to replace your old boiler - And possibly qualify for a replacement grant Image by Martine from Pixabay

Boilers are the unsung heroes of our homes, providing warmth and hot water throughout the year. However, as technology advances and energy efficiency becomes increasingly important, many homeowners are considering upgrading their old boilers. This comprehensive guide will explore why replacing your old boiler can be beneficial, how a new boiler can help you save energy and money, and how to get the best deal when making this important investment.

Why replace old boilers?

Old boilers can be a significant drain on your energy bills and may not be as reliable as newer models. As boilers age, they become less efficient, meaning they need to work harder to produce the same amount of heat. This increased workload not only leads to higher energy consumption but also puts more strain on the system, potentially leading to breakdowns and costly repairs.

Modern boilers are designed with energy efficiency in mind, utilizing advanced technologies to maximize heat output while minimizing fuel consumption. By replacing your old boiler with a newer, more efficient model, you can significantly reduce your carbon footprint and enjoy a more comfortable home environment.

How does a new boiler help me save energy and money?

Investing in a new boiler can lead to substantial energy and cost savings in the long run. Modern condensing boilers, for example, can achieve efficiency ratings of up to 94%, compared to older models that may only operate at 70-80% efficiency. This increased efficiency translates directly into lower energy bills, as your new boiler will require less fuel to heat your home and water.

Additionally, new boilers often come with advanced controls and programming options, allowing you to fine-tune your heating schedule to match your lifestyle. This level of control ensures that you’re only using energy when you need it, further reducing your consumption and costs.

How to get the best deal?

When it comes to purchasing a new boiler, it’s essential to do your research and compare options to ensure you’re getting the best deal. Start by obtaining quotes from multiple reputable installers, and don’t be afraid to negotiate on price. Many companies offer seasonal discounts or promotions, so timing your purchase can lead to significant savings.

Consider the long-term costs as well as the initial purchase price. A slightly more expensive boiler with higher efficiency ratings may save you more money over its lifetime compared to a cheaper, less efficient model. Look for boilers with extended warranties to protect your investment and provide peace of mind.

Compare boilers: Finding the right fit for your home

When comparing boilers, it’s important to consider factors such as your home’s size, hot water demand, and current heating system. The three main types of boilers are:

  1. Combi boilers: Ideal for smaller homes, these provide instant hot water without the need for a separate tank.
  2. System boilers: Suitable for larger homes with higher hot water demand, these work with a separate hot water cylinder.
  3. Conventional boilers: Best for homes with older radiator systems and low water pressure.

Research different brands and models within these categories to find the best fit for your specific needs and budget.

Can you qualify for a grant?

The UK government offers various schemes to help homeowners upgrade to more energy-efficient heating systems. One such initiative is the Boiler Upgrade Scheme, which provides grants to encourage property owners to install low carbon heating systems, including air source heat pumps, ground source heat pumps, and biomass boilers [1].

While traditional gas and oil boilers are not covered under this scheme, it’s worth exploring as an alternative if you’re considering a more environmentally friendly heating solution. The scheme offers grants of £5,000 for air source heat pumps and biomass boilers, and £6,000 for ground source heat pumps.


Heating System Grant Amount Eligibility
Air Source Heat Pump £5,000 Properties in England and Wales
Ground Source Heat Pump £6,000 Properties in England and Wales
Biomass Boiler £5,000 Properties in England and Wales

To qualify for the Boiler Upgrade Scheme, your property must have a valid Energy Performance Certificate (EPC) with no outstanding recommendations for loft or cavity wall insulation. The scheme is available for both domestic and small non-domestic properties in England and Wales.

While upgrading your boiler represents a significant investment, the long-term benefits in terms of energy savings, improved comfort, and reduced carbon emissions make it a worthwhile consideration for many homeowners. By carefully comparing options, exploring potential grants, and choosing an efficient model that suits your needs, you can ensure that your new boiler provides reliable warmth and hot water for years to come, all while keeping your energy bills in check.

The shared information of this article is up-to-date as of the publishing date. For more up-to-date information, please conduct your own research.

Sources: 1. Apply for the Boiler Upgrade Scheme - https://www.gov.uk/apply-boiler-upgrade-scheme