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re: Generator Question

Posted on 4/30/24 at 4:30 pm to
Posted by BilbeauTBaggins
probably stuck in traffic
Member since May 2021
4690 posts
Posted on 4/30/24 at 4:30 pm to
I think you would need to be concerned if you had to run central air, which would take about 4000 watts IIRC. Refrigerator and A/C should be no more than 2000 and window unit no more than 1500. Your running wattage is what you want to pay attention to.

Does it say 7000 running on NG or with propane?
Posted by TheBoo
South to Louisiana
Member since Aug 2012
4552 posts
Posted on 4/30/24 at 4:51 pm to
My 4 ton AC unit runs at 12.3-13.1 amps. The surge is what you need to compensate for. Most 4 ton units are around 115-120 amps inrush. You can get a soft starter to drop the inrush around 60% though.

Icebox and freezer will be around 350-500 watts each with a small surge for both. The window unit power draw will depending heavily on the size, but you still not talking about a huge draw.

Ideally a good running load is about 60% or lower, so around 4,200 watts to maintain longevity of your unit and allow for certain temporary power draws (microwave, dishwasher, etc..) some people will tell you 70-80%, but I'm more comfortable keeping it closer to half.

You really shouldn't have a problem running your whole house minus any big 240 loads. Just be smart with load management.
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