As long as you meet the following criteria you can apply for a boiler grant. Q how much will a replacement boiler cost? What are ways to avoid plumbing scams? The way we install plumbing has changed over the years water piping is now pex or cpvc plastic. Tile now available in our showroom! You can develop your skills by taking further training in areas such as heating, ventilation and air-conditioning, and renewable energy technologies like solar powered.