Also, I confirmed that its first ten months, Nest has agreed energy improvement packages for over 3,500 households which were due to be complete by the end of March 2012.
Hefyd, rhoddais gadarnhad bod Nest yn ei ddeg mis cyntaf wedi cytuno ar becynnau gwella ynni ar gyfer dros 3,500 o dai oedd i’w cwblhau erbyn diwedd Mawrth 2012.