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Fast & easy for better mobile experience with Highgate Air App

Are you an Auto A/C professional with an AU Number?
If yes, then apply for an online trade account today!


If you are a CURRENT Highgate Customer, simply fill in all the fields below, read the Online Terms of Use information, and Submit your request for an online trade account. Once approved, typically within 24 hours, you can then login and check RRP, your prices, product availability, and order online!

If you are looking at becoming a NEW Highgate Customer, please continue to complete this form, but note that we may call you for more information in order to enter your business into our system for the first time. This typically takes 48 hours.

NOTE: We do not sell to the public. All public requests for an online account will be disregarded. However, feel free to contact us for your recommended local Auto A/C Professional.

Compressor Oils: what you need to know

Compressor Oils: what you need to know

Using the wrong A/C compressor oil is one of the biggest causes of compressor failure. To maintain customer satisfaction, an in depth knowledge of oils and their composition is necessary. The primary function of oil in the A/C system is to lubricate and control friction in the moving parts such as the compressor and TX valve. Oil also helps to maintain the integrity of seals and gaskets, lets heat escape from the compressor and controls corrosion. In this article we shine the spotlight on the different oils used in vehicle air conditioning systems and help you avoid common faults.

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The mighty drier and the importance of changing it at each A/C service

The mighty drier and the importance of changing it at each A/C service

The mighty drier, not the most complex part of the A/C system, but extremely important to keep the system running at optimum performance. When you search the Highgate Air website for driers, you will find 941 results to suit all imaginable cars, trucks, mining and agricultural vehicles. This essential component can often be overlooked, but it’s important to change driers regularly. In this article, we explain why.

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Prevent annoying leaks with correct installation of hose fittings

Prevent annoying leaks with correct installation of hose fittings

It is critical to install hose fittings correctly, if leaks and other problems are to be prevented. While these components are designed to withstand the intense stress of heat, pressure and vibration, they will eventually wear to the point of requiring repair or replacement. We cover the latest equipment you can use to easily and effectively repair hoses, saving you time and re-work in the future.

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Best solvent flushing agent for A/C systems

Best solvent flushing agent for A/C systems

Did you know your flush solvent can leave a residue, rendering it less effective every time you use it?

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