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Q: Should I get my home air conditioner serviced before turning it on after the winter?

I come from the UK and so never had an air conditioning unit in my home before.

We moved here last summer, and we've used our air conditioner pretty constantly, first cold, then for heat in the winter. As the weather's warming up we'll soon be switching it back to cold, and I wonder is it safe to do that without cleaning it or checking the inside? I don't know anything about air conditioners and I have heard scary stories about legionnaires disease but I don't know if that's really something I need to worry about. Does anyone have any advice for me?

4 years 13 weeks ago in  Health & Safety - Shanghai

 
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Governor

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First and easiest thing to do is to clean the filters as this is where bacteria can collect. 

Make sure the insulation over the pipes are not broken (cracks, or breaks in the insulation).

As for legionnaires nothing to worry about more focused on Air Handling Units and chillers.

 

My background (trade) is HVAC but gave it up a long time ago but if you need more help pm me.

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4 years 13 weeks ago
 
Posts: 2980

Emperor

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Actually the process is a very simple one.  If you have a split system, the one inside the apartment is called the evaporator, and the one outside will be the condensing unit.  

Inside the apartment you (or whomever you hire to do it) Must take cover off, and remove dust and grime collected on evaporator coils,  This is done by spraying an acidic liquid and rinsing it off with water.  Maybe a brush to clean tough spots. Then check refrigerant tubes so insulation is not cracked or broken off.  Then outside apartment must repeat the process, but this time also clean or replace air filters.  Insure all electrical connections to compressor are tight and clean, and I would also check the line pressures to be the correct ones.  If refrigerant is needed, that means you may have a small leak, look for it and insure that when they add refrigerant, they also add compressor oil.

That should be good for another year of supposed troublefree service, and a more efficient unit.

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4 years 13 weeks ago
 
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Clean the filter.

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4 years 13 weeks ago
 
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Yes, I think you should go for the servicing before turning it on after winter.  You can do one also to clean the filters.

 

nyc fire damage cleanup

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4 years 3 weeks ago
 
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You should find and look the best air conditioners before winter.  You can ask Air Conditioning Mandurah for some tips.

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3 years 21 weeks ago
 
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A: This won't help overly with your situation, but maybe shed some light
A:This won't help overly with your situation, but maybe shed some light on what's required. When I had my criminal history thing done in Australia, it needed to be an original document, which was notorised by the Department of Foreign Affairs, before going to the Chinese consulate to be apostilled. Fortunately, our government has its shit together, and it was fairly painless... the Federal Police let me order the check online (and I even emailed them to request more copies, and I was replied to within hours saying "sure, no problem - but the max we can send is 3, which I'll send for free!) DFAT also knows the deal, and has a pretty quick turn-around time ("Oh, you want this for China - yeah, no problem!") My biggest problem was determining if the Chinese stamp could be done at any Chinese consulate, or ONLY at their embassy (in Canberra).... after LOTS of emails with incorrect information, the local consulate in Brisbane said "we have exaclty the same powers (red stamps) as the embassy, so yes, you can get it done with us!" But... it had to be done in person!!! So, no mail-ins... and as with all things Chinese, passports and other ID and such BS was needed!!! So - as NZT suggested - ask the Chinese embassy in London. -- Shining_brow