Derek Cole warns against opening HVAC units or taking amp readings without professional training, since both require live power and risk electrocution. Safe tasks for homeowners: change filters, check ducts, and turn power off before cleaning coils.
As far as getting into the unit, getting inside of the unit, I would stay away from that because on the maintenance, not only do we clean coil, we open the unit up, check the amp draws on the motor, the compressor, get all the readings on the electrical, check all the connections. I don't think I would be comfortable with you doing that kind of work. Mainly because when that happens, it is live power. Now when we clean the coils and things like that, we turn the power off. But to get your amp readings on these different motors and compressors, you have to have power. So I don't want you to get hurt in any kind of way because it is a good bit of power and it does hurt. I would leave that to a professional. Things like your filter in the house, things you can change, your duct system, you can check all those things I would recommend you do. But as far as getting in the unit, getting hands on in the unit, I would stay away from that because I don't want you to get hurt.
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