Welcome to the Heating and Hotwater Industry Council (HHIC)

We have now added a comprehesive library of installation manuals including boiler manuals, heat pump manuals, solar thermal manuals and gas fire manuals

More info on Plumbers Tax Safe Plan click here

To order a copy of the Domestic Heating Design Guide click here

To order a heat loss calculator click here

To find out about the Benchmark Scheme click here