Best Reference Book for HVAC Age?

fpapp · April 20, 2007, 10:10pm

Hi Members!

Please give me your opinion on the best reference book/CD to determine the age of HVAC units.

Thanks!

kmcmahon · April 21, 2007, 2:12am

Prestons Guide is pretty good.

tallen · April 21, 2007, 2:21am

Prestons is OK, but it lacks lot of info.

When all else fails post it to this board for a quick and accurate answer.

kmcmahon · April 21, 2007, 4:37am

he was asking for a guide that provides the age of HVAC units…Prestons provides that info.