S Stephen Active member Oct 21, 2009 #1 Our boiler contractor is giving us the Nett efficiency but someone said that the Gross efficiency gives a better indication of how a boiler is performing? Which figure is best to look at for an indication of whether or not there could be a problem?
Our boiler contractor is giving us the Nett efficiency but someone said that the Gross efficiency gives a better indication of how a boiler is performing? Which figure is best to look at for an indication of whether or not there could be a problem?
M Mary H New member Oct 21, 2009 #2 To be honest Stephen, this is best left to someone who knows what they are doing, you could easily be mislead. Good luck.
To be honest Stephen, this is best left to someone who knows what they are doing, you could easily be mislead. Good luck.