What's Holding Back the Kent boiler installations Industry?

http://python.org.uk/Does-My-Home-Need-A-Hot-Water-Tank-For-An-LPG-Heating-System--1609055283.html

Boilers heat and then pump water or steam through pipes in a home, and as the steam or hot water passes through the baseboards, radiators or radiant floors in the rooms of a house Start SAVING on your FUEL BILL