Between April 2018 and April 2021, Nest installed measures in 18,047 homes, the majority of which received a new central heating system, primarily gas boilers.
Rhwng Ebrill 2018 ac Ebrill 2021, gosododd Nyth fesurau mewn 18,047 o gartrefi, y mwyafrif ohonynt yn derbyn system gwres canolog newydd, boeleri nwy yn bennaf.