What BER did the couples hope to achieve through the deep retrofit?

• A2

• A3

• B1

• B2

What percentage grant is given for a deep retrofit?

• 20%

• 30%

• 40%

• 50%

What is the difference between the average yearly bill of a typical Irish house (C2) and an A3 rated house?

• €1000

• €2000

• €3000

• €500

What is the main problem with a house with a poor BER? (E,F & G)

• Ridiculous heating bills

• Dampness/Mould

• Poor Physical Health

• All of the above

Why is external insulation better than internal insulation/dry lining according to Duncan?

• The house is wrapped in insulation minimising cold bridges

• Protects the whole house

• The blocks now act as a heat store (thermal mass)

• Not making the internal area of the house smaller

• All of the above

How did they fill the cavity?

• Expanding foam

• Cement

• Expanded Polystyrene

• They didn't fill the cavity

Why was it so important to fill the cavity even though they had heavily insulated the outer wall? i.e explain thermal looping

What was the gas heating system replaced with?

• Air-to-Water Heat Pump

• Underfloor heating

• Solar Panels

What is the best orientation to have Solar PV Panels facing?

• South

• North

• East

• West

What angle should PV panels be at relative to the sun?

• 30 degrees

• 45 degrees

• 60 degrees

• 15 degrees