How to get rid of air in a Radiator System?

A hole was made in an up stairs hot water pipe , since fixing this we have only had heat in downstairs radiators, and have been without hot water, we have had numerous people out to look at it , with no solution as of yet. The hot water system is the older Stored Hot Water type System, if that helps. We have... show more A hole was made in an up stairs hot water pipe , since fixing this we have only had heat in downstairs radiators, and have been without hot water, we have had numerous people out to look at it , with no solution as of yet.

The hot water system is the older Stored Hot Water type System, if that helps.

We have tried bleeding all radiators, with the sound of rushing air, how ever nothing comes of it, it lasts for about 5 seconds and that's it.
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