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I just completed my first energy audit and am trying to figure out the proper system size. Here is a screenshot of the calculations: I have three primary goals: (1) to offset grid cost (2) to slowly become more self-reliant and (3) to create a backup solar generator in the event of a power...

I'll give this a try.

Thanks! I wasn't aware of this.

Yes! That's it. Thanks for the help on this! It still seems high though. 20.92a x 120v = 2,510.4w The refrigerator was measured to run at 79.2 watts. Would the surge watts be 2,510?

I attempted to measure surge watts on my refrigerator today. I used the Klein Tools line splitter. I set it to "inrush" and then opened the refrigerator until I heard the compressor startup. The number I got was 209.2 amps. If I multiply that by 120 volts I get 25,104 watts which certainly...

Question here on the Kill-A-Watt. I just purchased it and am getting watt hours on various appliances throughout the house. I went to my furnace and realize that it's hardwired. Is there an ideal way to get the Kill-A-Watt plugged into this? I'm assuming that the easiest way is to cut an...

OK thanks.

Trying to decide between the Harbor Freight AIMS and this one that's currently on sale...

OK thanks.

I see several clamp meters with a "Max/Min" button. Is this the same as inrush?

Yes, everything except for a recommendation on a good inrush clamp meter. Thanks!

Filter Guy, Thank you for your detailed reply. Running watts is what I meant by (what your spreadsheet describes as) "watts." I believe this is what the appliance is pulling at any one time.

Thanks everyone for all your excellent help. I decided to roll over what I've learned into a new thread here.

So I'm trying to properly size both batteries and an inverter. I plan on starting off powering a small upright freezer....and depending on my success, expanding that to several more appliances including a side-by-side refrigerator, furnace, WiFi router, computer...etc. For each of these...

Since the surge watts sometimes last only a split second I assume these devices save the surge data long enough to see it and record it?

What energy monitoring devices are available that would measure both running watts and surge watts?