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what would be the best book to buy so i can prepare to write the 313d exam?ive looked over the questions and answers a few times but need a good book to study from...


                                                     thanks

Refrigeration & Air Conditioning Technology 6th Edition.

https://dl.dropboxusercontent.com/u/101178589/Refrigeration%20and%20Air%20Conditioning%20Technology%206th.pdf

i used this book to study for my exam and it helped a lot. i focused in on the sections for heat pumps and txv's

thanks guys.when did you write the exam walker?

I have the 6th edition, but wouldn't the 7th edition be better?  Aside from actually having to pay for it.

  hi can you post the link back for me pls because is blank now, im going to take that 313 d too

That book is also available when you donate for the 313D exam.

It's a big book and bandwidth costs money 

i may take 313 A so that one you have also can help me too or just for 313 D

313-d
I over studied for this exam, I read modern refrigeration and air conditioning by Andrew Althouse, Carl Turnquist, A. F. Bracciano, D. C. Bracciano, G. M. Bracciano. Focusing on tx valves and heat pumps. Im only experienced with resi splits and the odd mini split. Read and understand all the questions admin has prepared. They give you 4 hrs to write the exam, take your time. I buzzed through it in 1.5 hrs, I was swinging a pipe wrench by 1pm. If you have any field experience and common sense you should pass easily. I wrote april 22 and scored 78%. Its time to get your license now, before the college of trades makes things anymore convoluted.