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Mwy o Iaith
HRV
Tachwedd 9, 2021
Mae'r chwythwr aer ffres HRV VT501 wedi'i osod ar y wal yn unigryw i awyr iach.Ei ddull gosod yw drilio tyllau ar y wal, ac yna gosod y […]
Hydref 7, 2021
Mae peiriant anadlu adfer gwres (HRV) yn debyg i system awyru gytbwys, ac eithrio ei fod yn defnyddio'r gwres yn yr hen aer sy'n mynd allan i gynhesu'r awyr iach.