Can i get any book or material of hvac's which has all type of hvac and their sevice and maintenance?

I need to make a project on servive and maintenance..
so i need any link or any notes from where i can refer and make project on it..I need all the types of HVAC's and their service and maintenance.plz tell me about it soon.

Not sure what you mean by "all types of HVAC" - there are too many. But, you could go to web sites of various manufacturers (like and downloading the pdf files of their service manuals. That'll get you most types.

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