Mae Llyfrgell Gymunedol Gresffordd, sy'n gwasanaethu grŵp o bentrefi ger Wrecsam, wedi derbyn bron £25,000 i wneud ei safle'n fwy effeithlon o ran ynni.
Gresford Community Library, which serves a group of villages near Wrexham, has been awarded almost £25,000 to make its premises more energy efficient.