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Gill's Plumbing and Heating, Welwyn and Hatfield

This is the second time I have had Gills to attend to my heating system this year. The first time another central heating repair company told me I needed a new boiler because of high emissions. An engineer from Gills came and tested the boiler and confirmed there was nothing wrong and the emissions were acceptable. I had another engineer this month as the boiler would not stay on. Needed a valve replaced which was done within a couple of days. Very impressed with the service I have received and will have them to service my boiler each year.