Gas Safe engineer
https://page-wiki.win/index.php/Why_You_Should_Always_Choose_a_Gas_Safe_Engineer_for_Boiler_Work
A Gas Safe engineer is the professional you call when your boiler starts making strange noises or you smell gas. They carry a registered ID card and have the training to work safely on gas appliances, pipes, and flues. Unlike a general handyman, this person specifically knows how to test for leaks, adjust burner pressures, and ensure your heating system isn't putting your family at risk. Most homeowners only think about them in an emergency, but having one service your boiler annually is the sm…