ASHP – If the heat pump is installed on a flat roof, an assessment may be needed to ensure the structure can support the additional weight and vibration.
Pympiau Gwres Ffynhonnell Aer – Os caiff y pwmp gwres ei osod ar do fflat, efallai y bydd angen cynnal asesiad i sicrhau y gall y strwythur gynnal y pwysau a’r dirgryniadau ychwanegol.