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Switching to a combi boiler

Trevor Harris

by Trevor Harris

Posted in News on Jun 17, 2019

Combi boilers are growing in popularity as they provide a number of benefits for your heating Offering instant hot water from a compact unit. A combi boiler could improve your heating and energy efficiency.

With many models available, there is a combi boiler suitable for your needs and home available. Including the new Worcester Greenstar 8000 lifestyle becoming popular in modern homes with its sleek design meaning it fits right in with your home. 

Why change to a combi boiler?

One of the main reasons and most important is energy efficiency. According to the energy saving trust replacing an old boiler with a new combi boiler can save you up to 40% on your energy bills. 

A new condensing combi boiler is designed to withstand thermal stress on a daily basis, meaning the boiler corrosion rate is greatly reduced, which can keep your boiler efficiency at 90% + for longer. 

Non-condensing boilers corrode quicker, bringing the efficiency down to 50-70% within the first few years. 

Combi boilers also provide instant hot water, meaning no storage tank for hot water, which free's up space in your home and also reduces energy bills as you do not need to keep reheating the water in the tank to keep it at temperature.

Heating is also available at the touch of a button, meaning your home can be warm instantly. 

Benefits of switching

  • higher energy efficiency
  • saves space in your home with no water tank
  • instant hot water
  • compact boilers that can fit in to cupboards 
  • available in many outputs to suit your homes needs


Many people worry about the installation process, usually his requires minimal disruption. Within 2 days we can have removed your old system and replaced it with your new combi boiler. 

We also advise changing your system in the summer months as then you usually do not require any heating and can maintain warmth whilst the installation takes place 


Combi boilers can have up to a 10 year guarantee, you just have to have your boiler serviced annually. This is another benefit of a combi boiler, you can save on costly breakdowns with your parts covered for up to 10 years.