inÂ·fest. tr.v. inÂ·festÂ·ed, inÂ·festÂ·ing, inÂ·fests. 1. To inhabit or overrun in numbers or quantities large enough to be harmful, threatening, or obnoxious: rats infesting the sewers; streets that were infested with drugs. 2.nfest-occupy in large numbers or live on a host; the Kudzu plant infests much of the South and is spreading to the North. overrun, invade. inhabit-be present in; sweet memories inhabit this house.
You can learn entirely on the job as an assistant to a boiler technician, through an apprenticeship program or from a diploma, certificate or associate's degree program at a community college or technical school.
All Gas Safe registered gas engineers or Oftec registered oil installers in the UK should be able to fit a condensing boiler. The Gas Safe scheme replaced the CORGI scheme on 1st April 2009. There are no longer nationally available grants or cashbacks for high efficiency boilers but some local schemes do exist.