If you are an instructor, consider placing a copy of this book in your department’s reading list. If you are a student, check if your institution has a subscription to an e-library like AccessEngineering. Often, you can find the basic refrigeration and air conditioning by p.n. ananthanarayanan pdf legally through your college login portal without paying a rupee.

First published decades ago, Ananthanarayanan’s work is often described as the "Bible of basic HVAC" in Indian technical institutions (like ITIs and polytechnics) and across global engineering curricula. Unlike advanced texts that dive into complex psychrometric modeling or variable refrigerant flow systems, this book excels at one thing:

Perhaps the most practical section of the book deals with the hardware. Compressors (reciprocating, rotary, and centrifugal), condensers, and evaporators are explained in detail. Furthermore, the author dedicates significant space to troubleshooting and maintenance—a chapter often highlighted in the PDF versions by students preparing for viva voce exams or industrial internships.