1. Reliability. The current boiler is old and un-reliable boiler. Boilers have a natural lifespan and do eventually need to be replaced. They have moving parts, electronics and metal that can corrode.
2. Controlling costs. Apart from your mortgage, heating your home is the largest associated cost of living in a house. Condensing boilers consume less fuel (gas/oil) to give the same desired heat output. Your gas bills will be 20% to 30% reduced by changing to a good condensing boiler.
3. The environmental impact. Old boilers chug out far more CO² when compared to condensing gas or oil boilers.
YES! Every house built before 2006 is entitled to a grant to change their boiler.
The grant is €700 and it won’t be around for much longer.
To get the grant you need to do some additional work while you are changing the boiler. You need to zone your heating system, add some TRVs on radiators, upgrade controls and have a BER cert issued after the works are complete.