Hull's independent, friendly and reliable boiler experts At ATG Boiler installations, we have worked hard to establish ourselves as Hulls' most trusted, reputable plumbing and heating company. Our team of dedicated, qualified engineers specialise in all aspects of heating and boiler maintenance, including new boiler installation, servicing and repair. Whether you are looking to repair your broken boiler or you simply want to update to a lower-cost, more efficient heating option, we are ready to help. Just get in touch with your local experts.