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    aydeljen's Avatar
    aydeljen Posts: 8, Reputation: 1
    New Member
    		  
    #1

    Jun 21, 2008, 01:15 PM
    How To Check Coolant
    My central A/C unit blows warm air. How do I go about checking to see if it just needs more coolant?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jun 21, 2008, 01:22 PM
    You don't. You need to be EPA certified to handle refrigerant. You also need to know how to charge the system and all the special tools that are needed. Sorry
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