Grant Heating is a rapidly growing company specialising in the sustainable and forward thinking technology of Heat Pump Systems, which can be applied utilising the ground, air or water as the source of heat. Heat pumps are the most efficient heating and cooling technology available for buildings, and complete efficiency is achieved by our supplying the associated heat emitter systems, e.g. radiators and underfloor. Business hours: Mon-Sun: 8:00am-6:00pm