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Can i add freon 2 my whirlpool window air condition unit myself if so how

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Posted on Jul 22, 2008

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How do you add freon to haier window unit air conditioner

Window units do not come with service ports. You can buy them at local parts houses, but unless you have the freon, not gonna do you any good. Window ac use either r22 our 410a, and that cannot be bout without being certified.

Aug 18, 2012 | Haier Heating & Cooling

3 Answers

How to add freon in a centralized air conditioning unit

The compressor needs to be running.Also you need freon charging guages and a pressure temp chart to tell how much you need to add.
If your not sure of anything i said here have a service person do this.You take a risk of damaging the unit and yourself.

Nov 21, 2011 | Whirlwind FH-778 Air Conditioner

1 Answer


yes you can but you will probably have to put service ports on it as most window a/c do not come with them .The easy way to do this is to get a couple of self tap saddle valves that all you have to do is back off piercing point out of the way while you clamp the valve around refridgerant lines and tighten screws down evenly. Follow directions and make sure you use the right size spacers for the line size you have. When you have the valve properly placed and secured then screw piercing point down thru the copper and close all the way. Attach gauges to servicevalves and open valves to check freon pressure. Add freon as needed. Thank you.

Jun 01, 2011 | Whirlpool Electronic Window Air...

1 Answer

I have to window units that are not blowing out cold air. the fan works. is there a way to put freon in them or do you have any suggestions?

Hello, first thing is check the condition of the filter on the front of the unit, if it is dirty wash it and let it dry then reinstall it. Also, it is a good idea to clean the evaporator coil with a can of coil cleaner that you can pick up at any heating and cooling store. Just spray cleaner on evaporator coil and let it dry. If this does not solve the problem tjen the unit might be undercharged and will need a hvac tech to recharge it. In order to add freon you must add a piercing valve to the low side of the system since most window units dont have service fittings

Apr 28, 2011 | Haier Heating & Cooling

1 Answer

Return fins on front of unit (behind air fliter) continue to freeze up.

You may need freon, but don't attempt it yourself...

How to add Freon to a Air Conditioner or Refrigeration System

Here is a tip about troubleshooting your air conditioner...
There are many things that can cause your air conditioner not to cool…

Air Conditioner Trouble -Review the Possibilities


Aug 21, 2010 | Whirlpool CA24WCR Thru-Wall/Window Air...

1 Answer

I was just recently in a car accident. My raditor broke and had to be replaced. Because i didnt want to pay a mechanic to do it i did the job myself. It worked out well but after dissembling it the coolant...

first you need to find out why the freon leaked out then repair that, then you will need a vac pump to vacuum the system for about 45 mins then if you lost oil add a couple of oz,when you lost the freon if there was a cloud of oil and gas then add 2oz before the vac down while system is open put into line or dryer or condensor, after the vac, then recharge to spec, there a label at the radiator support or on the hood that tells you how much freon the system holds,here you go it holds 1.48lbs of 134a freon.

Jun 16, 2010 | 1998 Saturn SL

1 Answer

How to add Freon R407C to a ductless air conditioning unit

If you are not trained to at least charge a unit U will in the end do more harm than good get the proper service. what makes U think U need freon could just be dirty? Tom

Jul 10, 2009 | Heating & Cooling

2 Answers

Where is the intake so that i can add more freon

most window units do not have service valves they do make quick taps that clamp on lines and pierce sor serviceing these units

Jun 11, 2009 | LG Goldstar GWHD5000 wall/window Air...

1 Answer

How interesting. My whirlpool window unit ac does that same thing

Hello Jeffrey. The window air conditioner is no longer designed to be recharged. It can be done but it requires modification.

Another problem is licensing. You need a license to buy the refrigerant now days.

Finally you need about 100 dollars worth of special tools, gauges, charge pipes and vacuum pump.

I know you will be further ahead to sell your old one for junk and buy a new one. OR you call around to the a/c repair shops and get an estimate. Good luck either way.

Jun 08, 2009 | Whirlpool ACQ158XP Wall/Window Air...

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