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Before you pay for an assessment or ring a contractor, this gives you a rough idea of where the house stands: the heat loss, the size of pump that points to, what it might cost to run against what you pay now, and what is left to pay after the SEAI grant.
It is not a BER and not a technical assessment. SEAI will want one or the other for most older homes, and either can come out differently from this estimate.
Look at the heat loss indicator against SEAI’s 2.3 line. It tells you whether the house is likely to need work before a heat pump makes sense, and the tool answers the technical assessment question underneath.
Tick the insulation boxes one at a time and watch how far the numbers move. Then try the radiator switch: keeping existing radiators usually means a hotter flow, which costs more to run, while replacing them can bring up to €2,000 of grant.
For a house, up to €14,500 in total: up to €10,500 for the heat pump system, up to €2,000 for new radiators or underfloor heating where required, and €2,000 boiler scrappage where an oil or gas boiler, electric storage or solid fuel system comes out. For an apartment the total is €11,500. The figure has already moved twice this year, so check seai.ie before you commit.
Homes built before 2007 need one if there is no valid BER, or if the BER shows a high heat loss. You do not need one if your valid BER gives a Heat Loss Indicator of 2.3 W/(K.m2) or less. SEAI offers a €200 grant towards the assessment, and it must be finished before you apply.
The home needs an MPRN and must have been built and occupied before 2021. The work has to be done by an SEAI registered contractor.
If that heat pump never had an SEAI grant, the most you can get is €6,500, or €4,500 for an apartment, without the boiler scrappage or central heating parts. The calculator does not work out this case.
This is the real thing, not a mockup. We build these for heat pump installers in Ireland and put your own rates inside, so the number a visitor sees is one you would stand behind. It embeds in the site you already have with one line of code, or sits on a subdomain with a single DNS record. We never need access to your hosting.
Fixed price, fixed date, agreed in writing before anything starts. Tell us what people ask you before they buy and we will say honestly whether this is worth doing for you.