1,000-Watt Continuous/2,000-Watt Peak Pure Sine Wave Inverter

I don't think so. I am a casual user of several power inverters; and have found out that, unless they have hard wire terminals, they generally are not compatible with "house wiring". This is because they output their voltage, and current differently that the power company. For example: I have found that if you test the output plug on a power inverter, with a 3 prong tester, you will see that they may be testing out as having a hot, and neutral reverse, and probably an open ground. I think that it is general good practice, to use these types of inverters individually, with a cord going directly to what you are going to power with it. If you want to power a camper, for example; you should research the web for good grounding suggestions. For safety; if you are powering into a camper, for example, you should probably use a ground rod, and tie in the inverter ground, as well as the battery ground, to the ground rod. If you are powering an individual device, just an extension cord will power your device, but it will probably not be grounded. Sometimes, an external GFCI can be plugged in, and your device plugged into that. Getting back to your question about stacking the inverters: Some solar setups "stack" power inverters, of the "grid tie" type. This inverter, is the "off grid" type, and is different. You could search these terms, on the web, and find out more. My suggestion would be to consider a gas generator, of the appropriate size, if you need a substantial amount of power. Alternatively; larger power inverters are available, but pricey. Good luck, and best regards (a fellow inverter user)

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HI: you can somewhat figure this out by adding up the wattage of the device(s) you want to power, and adding 20% to the total you came up with. This gives you a 20% reserve for your inverter, so you don't overload it. Keep in mind that anything with a motor, will need a lot more power than the running watts of the device, because they draw a larger surge of power to start the motor. A helpful device to determine the running watts of your devices, is the Kill a Watt power meter. I think these are available at Home Depot, as well as other sellers. There are also general listings available, to help estimate power usage, but these lists are not accurate enough to base a decision for equipment purchase. Check the device(s) you want to run for the rating label, to see the power used by the device.