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Air Conditioning

Aircondition.Com is dedicated exclusively to automotive air conditioning. This Site includes discussion forums, industry related news, downloadable bulletins, information on alternative refrigerants and E-mail from the Environmental Protection Agency.

Automotive A/C and Cooling Systems is an informational site for cooling and A/C systems and fuel and heating systems.

Auto Air Basics has info about air conditioning theory of operation

Automotive Aire Conditioning and Heating has supplies and free information regarding auto air conditioning and heating, and cruise control sales and service. In Spanish.

EPA Document - Retrofitting A/C systems to R-134a is an informative document from the U.S. EPA describes some facts about aftermarket options and procedures for retrofitting a vehicle's air conditioning system to R-134a. Click here for the main EPA a/c page.

HVAC 2000 is a collection of conversion charts and reference diagrams for heating, air conditioning, and ventilation technicians. Extensive industry links.

Jbabs Do It Yourself A/C Repair includes how to change over from R-12 to R-134 freon. This page is for non a/c experts who are hot and sweaty. 

Servicing Your A/C is a Popular Mechanics article from September 1995 that covers some of the basics of servicing the A/C system.

Understanding Your A/C System has basic component descriptions to help you better understand your air conditioning system.

featured sites

Parts and Supplies

AAPAK: Auto Air Conditioning, Parts and Kits has online sales of automotive air conditioning parts and complete kits.

AC Source has parts and service tools for the automotive A/C technician.

Airmec has online sales of domestic and import automotive air conditioning parts, automotive air conditioning new and remanufactured compressors, recovery and recharging machines and air conditioning tools.

Arizona Mobile Air specializes in the production and sales of after market automotive air conditioning systems. Complete line of OEM replacement parts are also available. stocks freon (R-12), R-22, R-502 and virtually any other type of refrigerant.

Autocool has products, links, and information about auto and HVAC refrigerant including R22a, R502a and R12a which is designed for R134a replacement and converted freon R12 systems.

Auto Temperature Control Specialists has refrigerants and equipment for the automotive air conditioning industry. Prices for R-12, R-134a and alternatives updated daily.

A-AIR- Factory direct Import A/C Compressors has compressors for BMW and other makes.

Automobile Air Conditioner Compressor Parts, Rebuilt & Remanufactured has automobile air conditioner compressors & compressor parts, rebuilt & remanufactured, & A/C Accessories. Buy direct & save money on your auto AC compressors.

CJ Distributing specializes in automotive refrigerants and freon replacements, like Enviro-Safe and Duracool.

Compressor International has remanufactured auto air conditioning compressors and related components for most major auto brands.

Cooltop Refrigerants has online sales of a nonflammable refrigerant that works in most auto air conditioning systems with no expensive retrofits to perform.

Cryo-Chem International markets and manufactures self-sealing refrigeration products for R-12, R-22 and R-134a, under the trade names of Cryo-Silane, DRYpak, CRYOseal, TUNEair, and RE-NU-IT.

Duracool is the manufacturer of a line of refrigerants designed to replace freon and other conventional refrigerants. Click here for Duracool Kentucky. is a legal EPA-accepted freon replacement, sold online.

Mainstream Engineering Corporation sells training and test preparation manuals for air conditioning repair certification, as well as air conditioning diagnosis and repair products.

TSI Automotive A/C manufactures and sells automotive air conditioning maintenance and retrofit products. Home of Supercool oils, dye and seal leak stop. Sells wholesale to repair shops, and offers an online store for direct purchases.



Most BMW repair manuals have sections on troubleshooting and repairing of  automotive air conditioners.

Bentley Service Manuals:

  • 3-Series Service Manual: 1992-1998

  • 3-Series Service Manual: 1984-1990: 318i, 325, 325e, 325td, 325i, 325is and 325i Convertible
  • 5-Series Service Manual: 1989-1995
  • 5-Series Service Manual: 1982-1988: 528e, 533i, 535i, 535is
  • 7 Series Service Manual: 735i, 735il, 740i, 740il, 750i, 1988, 1989, 1990, 1991, 1992, 1993, 1994
  • Z3 Roadster Service Manual: 1996-1998

Click here for more service manuals.

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