"Dwi'n gallu rheoli'r gwres o ap ar fy ffôn, ac rydw i wedi dysgu sut i arbed ynni drwy ddefnyddio'r batri i hunan-bweru'r tŷ. Dim ond £20y£ mis rydyn ni yn ei dalu am ein biliau trydan a rydym mewn credyd ar ein biliau, sy'n rhyfeddol. Mae'r tŷ yn berffaith."
“I can control the heating from an app on my phone and I have learnt how to save energy by using the battery to self-power the house. We are paying just £20 a month for our electric bills and are in credit on our bills, which is amazing. The house is perfect.”