hi there all this is manjeet from India n am a mechanical engineer currently working as asst. engineer for HVAC,FIRE FIGHTIN N Plumbin......so far only tryin t learn things n clear all basics...i have posted a thread regarding dehumidification of signaling n telecom room ,...n i have got some good responses dat has helped me somewere,,,....anybody lyk to share experiances and knowledge is welcome...we can sit ova n talk mayb without coffee....hahahahaha,,...but yes i want to learn HVAC nw coz it is gettin more n more interested every day fr me....i dnt look more into fire fighting n plumbin nw ,...jst tryin to relate dem togeder....thx