Ageing boilers are often inefficient and waste both fuel and money. Under the Energy Company Obligation (ECO4) scheme you may be able to upgrade your old boiler at little or no cost. Modern A‑rated condensing boilers recover more heat from combustion gases than older non‑condensing models and can be paired with smart heating controls for maximum efficiency.
According to consumer guidance on ECO4 heating measures, boiler replacements involve removing an existing inefficient boiler and installing a high‑efficiency condensing model. Condensing boilers recover more heat from exhaust gases, meaning less fuel is wasted and carbon emissions are lower. They are typically paired with smart controls such as programmable thermostats and room sensors, which allow you to fine tune heating schedules and reduce energy consumption further.
Because modern boilers burn fuel more efficiently they can dramatically reduce heating costs. Replacing a failing boiler also improves the reliability of your system and supports compliance with upcoming Minimum Energy Efficiency Standards.
The Consumer Rights guidance notes that a boiler swap usually takes just one day to complete and that a new condensing boiler can last 10–15 years. Installers will remove your old appliance, connect the new boiler to your existing pipework and test the system. Some installations also involve fitting smart thermostats for more precise control.
If you qualify for ECO4 support, the cost of your boiler upgrade could be covered. Eligibility is generally based on factors such as your EPC rating, income and whether you receive qualifying benefits. Check our ECO4 page for full details and use our online form to see if you’re eligible.
Even if you don’t meet the ECO4 criteria, you may still qualify for a boiler grant through other schemes or local initiatives. Contact us for personalised advice.
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