Question: "I need a monitor to record how much power a hard wired central air conditioner is using. It's not a plug in type. Can you supply a sensor to monitor fixed items."
Answer: We have a few options for you to choose from.
Sub-meters offer good accuracy. They must be installed by an electrician. They can be further monitored using a wireless energy monitor to relay the data to an App on your phone/device.
(2) Install a wireless energy monitor.
See also our blog post on How To Check & Measure Your Electricity Usage.