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Forum2022-09-30T17:05:14+01:00
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H214DCU - A3 BER

#269 H214 Declan Cunningham
#269 H214 Declan Cunningham@h214dcu
4 Posts
Customer
#1 · 11 March 2022, 11:41

Hi folks,

Having recently installed Solar PV I had to get a BER certificate to be eligible for the SEAI Grant.  My house achieved an A3 rating. My assessor confirmed I was closer to a A2 than a B3 and was penalised by not having a Heat pump for space and water heating.

In my house I use the Electric UFH supplied by Lars running on Night saver per my blog

A Scandinavian Passive House in Galway.: Heating strategy for our Passive House (h214dcu.blogspot.com)

All the best, Declan

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Nils Pettersson has reacted to this post.
Nils Pettersson
Nils Pettersson
Nils Pettersson@nils
7 Posts
#2 · 14 March 2022, 11:24

Hi Declan, the BER is complicated issue and does not really predict the energy performance of houses, particularly for low energy houses unfortunately. The main issue like you said is the BER`s obsession with air to water heat pumps, where if you don't have one you can pretty much forget about getting a high rating.

Another component is the thermal bridge calculations. If you had these done (at a cost of about 2000EUR) you would get an A2. We have these for the BER calculations of our new houses but because of minimal changes in our construction they cannot be applied on houses older than a few years.

 

 

 

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