Oil Boilers Explained…

Oil Boilers Explained…


September has come around very quickly this year and so has the cold weather and we defiantly feel a little change in the morning.  With the kids back at school and winter approaching, a lot of home owners will now be looking into getting the best heating system for their homes. 

This can be confusing for home owners and with many plumbers staying loyal to certain brands it can be hard explaining the difference in heating systems to customers. Sure, let us help!

There are so many elements to heating a home but we are going to focus on the oil boiler. 



Well to sum it up, an oil central heating system uses an oil boiler to provide the central heating in your home through radiators and hot water through the taps. It allows you to keep your home cosy and the water hot. 


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There are three main types of boilers.  I know right, that’s a lot and you are probably thinking do you really need to know all five but we are going to make this simple and break it down. 

Combi Boilers

Combi boilers are the best option for smaller homes with one bathroom or apartments.  Unlimited hot water is available and there is no waiting for it either.  If using more than one tap though, the pressure decreases which means two showers cannot be used at the same time.  There is no need for a pump with a combi which means it is a great space saver.   It can be tricky to install but is more cost and energy efficient.


Conventional Boilers

Conventional boilers are also known as regular boilers heat your homes radiators and water.  They tend to take up a lot of space and you will need a cold-water storage tank in the loft.  This is an ideal option if you have more than two bathrooms and you can get hot water from multiple taps at the same time but hot water can run out. 


Both Combi and Conventional boilers are also available in outdoor, indoor and boiler house models.


System Boilers

The handy thing about system boilers is that key heating and hot water components are built into the boiler.  You will still need a cylinder for storing hot water but no tank is needed in the loft.  Hot water isn’t available immediately and it can run not but you can use multiple taps at once.  Great for home with two plus bathrooms and it is very economical to run.


From 2010 all boilers must be A-rated for energy efficiency or at least 88% efficient. 


The million-euro question…. Well, really it is up to you.  The more update your boiler is the more money you are going to save in the long run.  We have a few pointers for you to consider. 

Is your boiler over 15 years old? Well, to be honest, it is probably time to replace it.  Replacement parts can be expensive and will only get more expensive the older your boiler is. 

The more energy efficient your boiler is the more money you will save in the long run.  The higher the efficiency the lower your heating bills will cost.  Older boilers can be wasteful on energy.  By changing your boiler, you could reduce your energy usage by up to 20%.