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Your best source for complete troubleshooting and diagnosis information on auto A/C systems. Our information provides proper repair, recharge, service and maintenance procedures for all automotive air conditioning systems. Regardless if you have a current CCOT (cycling clutch orifice tube) system or an expansion valve and POA valve system, we've got the information you need. From step-by-step help on retrofitting and recharging to complete A/C compressor or component replacement, our A/C manuals provide you a quick and easy methods that have been proven helpful to everybody from the apprentice to the professional.

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We've made auto A/C diagnosis & repair easy! Get 'system specific' diagnosis charts for the exact information you've been looking for!

Expert Auto A/C Diagnosis manuals make air conditioning service and repair a lot easier! A/CE™ manuals provide the detailed A/C repair and service information you've been looking for. Our eBook manuals are helping professionals and DIY'ers save time and money!

Air Conditioning Expert

- Auto A/C Diagnostic Charts
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and lots more helpful titles...

Auto A/C Excellence and Superior Customer Care On-Line Since 2004!

Everything you need to
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any auto A/C system
on the road!

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little mistakes that could end up
costing you $1,000's of dollars!

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A/CE™ Manuals make auto A/C diagnosis easy!
The A/CE auto A/C service and repair manuals make any A/C service job easy! The diagnostic charts provide the exact repair information that you need. Don't rely on general diagnostic charts that leave you guessing. We've got the exact exact information you're looking for. There's an A/CE Auto A/C Diagnostic chart for every automotive A/C system design on the road. Like all of our auto A/C help manuals, they're designed to help you save time and money!

Our customers say...
"The e-manuals are absolutely terrific and a great value for anyone involved in mobile air conditioning. There's no complicated techno-babble here.... The text and illustrations .... create an excellent resource for anyone seeking to learn or teach air conditioning fundamentals. I highly recommend it. " ...
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Our A/C Manuals and information have been downloaded around the world! Have you seen who's really purchasing our auto A/C troubleshooting manuals?

Professional auto A/C information Auto A/C Excellence and Superior Customer Care On-Line Since 2004!

A/CE™ Auto A/C Manuals are your best choice :
A/CE™ auto air conditioning manuals have been developed to provide the specific auto A/C troubleshooting and diagnosis information you need. The manuals include 'system specific' diagnosis charts for every auto A/C system on the road! Review all the different 'help' titles on a variety of topics for both the pro's and the DIY'ers!

Why the A/CE™ Series of Manuals? :
They help you eliminate 'hit and miss' A/C system diagnosis. Don't guess what the problem is. Get the professional auto A/C diagnostic help information now. A/CE™ manuals detail the exact information that will save you time and money. They also reveal and explain many of the tips, tricks and short cuts the pros use every day. Without question, the A/CE™ series of manuals will make your A/C diagnosis quicker and more accurate!

Additional Auto A/C service manuals are also available! :
Have you seen our complete series of automotive air conditioning troubleshooting and service manuals? Our A/C manuals cover all the other topics you've probably been looking for. Titles include "How the A/C System Really Works", "Auto A/C Diagnosis", "Flushing the A/C system" and details for the proper "Auto A/C Performance Test" just to name a few. You can review all of the auto A/C service and repair manuals that will help make your A/C system diagnosis more accurate while saving you time and money.

What makes our A/C Repair Manuals better? : re
The information in all of our A/C repair manuals is compiled by auto A/C professionals with over 100 years of collective knowledge in the industry. Our manuals provide information, details, tips and tricks that are just not published anywhere else. You will not find this information in vehicle manufacturer's shop manuals, auto service text books or even on those 'National Brand' CD manuals. You simply will not find this information anywhere else!

... and you can even get some of these eBooks for free! :
Yes, you read that right! For a limited time, we're offering special eCoupons in some of our A/CE™ manuals. (eBooks including coupons are marked)  The eCoupon is only available from inside the book. Once you purchase and open your manual, you will be able to register a coupon that provides you a 'no nonsense' credit for the full value of the book when you make another purchase at the COOL ZONE™ on-line auto A/C parts warehouse. What could be better? You get the professional information you need (and you know that it's just not available anywhere else) and you can even get it for free! Now that's a deal!

There's lot's of titles being added all the time. Visit back often and don't forget to sign up for our newsletter to get the latest information on A/CE™ manuals.

Other A/CE™ and Auto A/C Information - Quick Index
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A/CE Manuals Available now !

Our newest release:
10 Minute A/C Diagnosis!
Easy diagnostics for all auto A/C systems!

Auto A/C Excellence and Superior Customer Care On-Line Since 2004!

Spend an hour with this eBook and diagnose any auto A/C system in minutes... guaranteed!
The 10 Minute auto A/C Diagnosis! Fast and accurate!

Only $19.95
for all charts!

More Details

Get the benefit of years of experience with tips and shortcuts the pros use every day!
Never before have we detailed the shortcuts and tips the professional A/C service technicians and instructors know and use every day! This A/CE eBook details all the principles behind making the A/C system work and provides a complete 'trouble tree' diagnostic chart that walks you step-by-step through a complete A/C system diagnosis! Includes printable WIZ Charts too!
10 Minute A/C Diagnosis... Guaranteed!

Get Auto A/C System Specific
Diagnosis Charts!

Easy diagnostics for all auto A/C systems!

Auto A/C Excellence and Superior Customer Care On-Line Since 2004!

Regardless of the type of A/C system you're working on, we've got the system specific diagnostic charts that will save you time and money!

- Get Complete & Detailed Diagnosis Charts for every
auto A/C System on the road! :

Only $24.95
for all 5 Charts

(Systems using conventional compressors)

All A/C Systems using Conventional Compressors
No matter what type of auto air conditioning system you're working on, we've got the exact diagnostic chart you need! These 5 Diagnosis charts detail every 'problem condition' that you can encounter with systems using conventional or fixed displacement A/C Compressors. Each chart provides expected gauge readings for each condition and includes a schematic illustration of the A/C system you're working on. Get just the chart you need or get all the charts for all the system designs! Save time and money! Make A/C diagnosis quicker, easier and more accurate!
Get all on all the A/C System Specific Diagnosis Charts now!

Only $22.95
for both sets

(Systems using Variable Displacement compressors)

All A/C Systems using Variable Displacement Compressors
Working on air conditioning systems with Variable Displacement A/C Compressors? We've got the diagnostic trouble charts for each system design. A/C Systems with variable displacement compressors use either an orifice tube or a conventional TXV (Thermostatic Expansion Valve). Our diagnostic charts provide the information you need to complete a proper performance test, compressor test, control valve test and fix any A/C system with a variable displacement compressor. Save time and money while making A/C diagnosis quicker, easier and more accurate!
Get details on Diagnostic Charts for A/C Systems using Variable Displacement Compressors!

Save 15%
Only $39.95
for all charts!

Save over 15% when you order all
7 sets of A/C Diagnostic Charts!

Get both complete sets (as shown above) and SAVE!
Save more when you order all A/C system diagnostic charts at once! All 7 Charts cover all air conditioning systems using either fixed or variable displacement compressors. This great value gives you complete coverage for all the A/C system designs on the road today. Save time and more money when you purchase all of them now! Diagnose and repair all A/C systems quicker and more accurately!
Systems using FIXED DISPLACEMENT Compressors
Systems using VARIABLE DISPLACEMENT Compressors

Auto A/C Leaks? We reveal the 10 most common & often overlooked leaks
in auto A/C systems!

Auto A/C Excellence and Superior Customer Care On-Line Since 2004!

We're not saying that all auto A/C systems are the same, but there are 10 common leaks that the pros know about that can help save you time & money!
- The 10 Most Common and Often Overlooked A/C Leaks :

Only $9.95

More Details

Here's the hot list of the most common auto A/C leaks on today's vehicles. Save time and money when you know exactly where to look and how to find all those costly leaks. We even reveal quick ways to find the 'hidden' leaks that just go undetected with normal leak testing, plus lots of tips and tricks the pros use every day to make their leak tests quicker, more accurate and reliable.

In fact, this manual reveals leaks that are never even mentioned in other manuals! You could spend years getting better at leak detection or take advantage of what the pros already know. Quit wasting time chasing those 'phantom' leaks if you don't know where to look from the start! Get the complete detailed list the pros use! Find out how you can even get this book for free*!
Get all the details now! Find out how you can get this manual FREE!

Everything vacuum pump manufacturer's
didn't want you to know!

Auto A/C Excellence and Superior Customer Care On-Line Since 2004!

We reveal what they don't want you to know about vacuum pump service!
Restore pumps to pull deep vacuum and save yourself hundreds of dollars!
- It's estimated that over 90% of vacuum pumps in service really don't work!
What Vacuum Pump Manufacturers DON'T Want You to Know!

Only $24.95

More Details

Now we reveal the details that vacuum pump manufacturers didn't want you to know. If you own a rotary vane vacuum pump, you really need to see this information. We reveal the steps you can take to improve and restore your vacuum pump to pull deep vacuum all the time!

You rely on your vacuum pump for every auto A/C recharge that you do! Can you afford to have it fail or not perform? After all, it's already been estimated that over 90% of the vacuum pumps in service today don't perform proper vacuum. Does yours?

Don't find out too late. We show you exactly how your vacuum pump works and the little mistakes you could be making right now that are destroying your pump! We reveal the step-by-step process you can do on your shop floor to restore your vacuum pump. Over 70 full color photos and complete instructions included. If you own a rotary vane vacuum pump, you can't afford to be without this information.
Get details on what the pump manufacturers don't want you to know!


Diagnosing auto A/C?
You really need to know what the
Relative Humidity is!

Auto A/C Excellence and Superior Customer Care On-Line Since 2004!

How do you determine the relative humidity? You use a 'psychrometer'!
This A/CE™; Manual eBook provides all the details!
- How to Make and Use your own Psychrometer :

Only $9.95

More Details

What's a psychrometer? it's a simple instrument used to calculate the relative humidity! So if you're doing auto A/C diagnosis why do you need to know the relative humidity? The relative humidity (RH) is important because it's the humidity and ambient air temperature that will always determine what the duct outlet temperature will be!

Did you know that an auto A/C system that only produces 50 °F at the ducts may be working properly? So how would you know? You won't know unless you can check the relative humidity! Find out how you can do this for just a few dollars and even get this book for free*!
Get more details and find out how you can get this manual FREE!

Coming soon....
Complete A/C hose repair for profit!
All the tips and tricks the pros used are exposed! Make incredible profits repairing and remanufacturing auto A/C lines and hoses!

101 sure fire ways to market your cooling system
or A/C service business!
Learn how you can triple your business! Have a team of sales people working for you! There's 5 simple steps you can start today that will not cost you a dime and will make immediate improvements in your business!

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as soon as they're released!
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