I hope someone can please help. We have had problems with our heating system (2 years old) for the past 2 months and have had the people who installed it working to repair it. First the boiler stopped working properly. After a new pump, heat exchanger and circuit board were fitted, the boiler...

Radiators in upstairs rooms cold in bottom half & hotter towards top, have tried normal routine of bleeding radiators but no air is expelled only water.

We have radiator and baseboard heating (2 zones). They are all fed by hot water as opossed to steam. In the winter (and probably other months although I never check then) I have to bleed them quite often. Maybe once a week or every other. It seems some of the radiators don't get warm nearly as...

I recently turned the water off to repair a pipe which I had accedently hammered a nail through. When I turned the water back on everything worked fine, but I've now noticed that when I put the heating on, the radiators all work but the water in the hot water tank doesn't heat up. Water comes out...

I have decided to bleed the radiators today but unfortunately, didn't really know what I was doing and did this with the heating on. I have since found out the heating is supposed to be off when you do this or it can make matters worse. How do I make the radiators work now as since I have done...