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Marcos Carneiro

5 January 2018

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CoolCar Air-Conditioning Centre
3 days ago
If this is how you drive to work on these cold mornings, then you need to give us a call and let us get you feeling warm and toasty in your car!

With 6 branches in Auckland and Hamilton, we'll get your heater blowing warm, as soon as! ... See MoreSee Less
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CoolCar Air-Conditioning Centre
4 days ago
As we've said before, 'I think it just needs a re-gas' is our most heard phrase.

Everyone assumes that when the AC stops working, it's because it's low on gas. AC systems are getting more and more complex and faults aren't limited to low refrigerant.

AC systems are now ECU controlled, with some systems designed to be sacrificed by the vehicles own computers in order to save other components on the car. If the engine, cooling system or transmission develops a fault, many systems shutdown the AC in order to let you know the car needs looking at and to save further strain on an already faulting car.

Some faults are due to failed AC sensors, some to issues with the compressor, burnt out clutch systems, stuck valves, failed fans, collapsed hoses or control buttons not working.

There are also faults due to organic material and as previously explained, cabin filters that are either blocked or have been removed and thrown away. The 2 attached photos show the organic side of faults, with a blocked condenser (the radiator at the very front of your car. It's there to cool the AC system) and with a blocked evaporator (hidden inside your dash, that's the bit that gives you the cold air) due to cabin filter issues.

If the air can't flow through either of these components, the AC fails to work and further issues can develop.

Not all AC faults are straight forward! ... See MoreSee Less
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CoolCar Air-Conditioning Centre shared a post.
4 days ago
The humble cabin filter, also referred to as a pollen filter.

Legend has it that it's there to filter the air that you breathe. Here, Legend is correct but Legend also has it that you don't need one and if it gets blocked or dirty, just throw it away!! Here, Legend is wrong!

Cabin filters are there for more than 1 reason. They are there to filter pollutants from the atmosphere and protect your health but they are also there to protect the AC and heating system. Leaves, dust and debris get drawn in through the ventilation grills and into the heater box. Without a filter, the debris gets drawn into the fan. This puts pressure on the fan bearings and often results in noisy or unbalanced fans when switched on. A new fan can cost $250 and up, plus fitting.

Some debris gets past the fan and ends up in the heater core or stuck to the AC evaporator. A working AC evaporator condensates during operation. This condensate is the pool of clear water you see under cars on a hot day. Dust and debris will stick to wet surfaces and eventually cause the AC system to fault, due to the dust preventing air flow through the evaporator. Depending on the fault, repairs could be $500 and above...

A cabin filter averages at $79..........

If they weren't needed, why do manufacturers fit them? When Toyota builds 4 million cars, they can probably get a cabin filter manufactured for a couple of dollars each....times that by 4 million....for a part that's not needed! ... See MoreSee Less
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CoolCar Air-Conditioning Centre
5 days ago
'I think my car just needs a re-gas'

This is the phrase we hear every day. It is a common misconception that AC systems need topping up every year and one that 're-gas specialists' would continue to have you believe. If your AC system has run out of gas, it's because it's got a leak...

Did you know.......

An ozone layer-friendly gas when it was introduced to Australia back in 1995, R134a is itself now perceived to be damaging to the environment. R134a has since been classified as a ‘high global warming potential (GWP)’ gas. The chlorofluorocarbon-based R12 it replaced would be even more harmful if it had remained available.

Already, many car companies and gas suppliers are making the migration to R1234yf, which has a GWP rating of 4 and breaks down chemically within a week. The new refrigerant has been running through air conditioning systems of certain cars sold in Australia since 2014.

In contrast with R1234yf, R134a has a GWP rating of 1,440 – and takes over 13 years to break down to its core chemical components. R12 has a GWP rating of 8,500 and takes 150 years to break down.

What does the GWP rating mean?

The warming potential of R134a refrigerant is 1,440, meaning that the release of one gram of R134a would have the same global warming effect as releasing 1,440 grams of carbon dioxide.

The average R134a AC system has a capacity of approx 500g

We take our commitment to the environment seriously and will not re-gas an air-conditioning system with a known leak. Releasing refrigerant to the atmosphere is illegal under the Climate Change Response Act

Still just want a re-gas? ... See MoreSee Less
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CoolCar Air-Conditioning Centre
6 days ago
Just one of the many vehicles that our 6 branches see. This one was in at our North Shore site, recently. ... See MoreSee Less
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