Is Tech Making County Antrim boiler installations Better or Worse?

http://phmeg.org.uk/How-Dominant-Are-Electric-Combi-Boilers-In-This-Day-And-Age-.html

Everyone will get hot water until the cylinder needs refilling. Also known as, a traditional boiler, a conventional boiler is a heat-only boiler. We've included these as they may have some insurers uSwitch doesn't,