Hello,I need some advise on a heating and hot water system for my house.I would like to improve the water pressure to the showers and have a cheaper to run system.It is 4 bed house with 1 family bathroom,1 en suite and 1 cloakroom.Two adults and two children live there.The water pressure is about 3 bar when measured at the outside tap.We plan to live here for the next 7 years.The current boiler is an Ideal mexico 2.I do not want a shower pump as I think it will be too noisy.This is my first post and I have read the sticky but didn't help much.Thanks in advance Pete.