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How many watt generator do i need to run a 3 ton ac unit.
This is more than enough power to keep a refrigerator running.
Using the numbers you calculated in step 2 find the generator that best suits your energy needs.
A 15 000 btu unit has a greater cooling capacity but will require more power about 5 100 starting watts and about 1 600 running watts on average.
Nearly most air conditioner models require about 2000 to 3000 watts to power on and run smoothly.
This is basically the cooling capacity of your ac.
A 13 500 btu unit draws less power about 3 800 starting watts and about 1 300 running watts.
With this total example you need a generator that produces at least 2950 total running watts and 4500 total starting watts.
You can run the most critical household equipment with a generator rated at 5 000 to 7 500 watts.
In case you will be powering other essential home appliances then find that size of generator that can startup several pieces of equipment.
Air conditioning and heat pump loads on a generator.
Chart showing how many kw and amp an air conditioner heat pump uses.
You ll need to make sure your generator can handle both the starting and running requirements of your unit as well as the starting running watts of all your other appliances you plan to run.
Highest additional starting watts1550 running watts2950 total 4500 starting watts tool or appliancerunning rated watts additional starting surge watts 1.
So get the accurately sized generator even to help you find out the total energy you will need.
A generator with around 7500 running watts can run all these appliances at once.
For rv a 3000 4000 watt generator would be ideal.
In this example you will need a generator that produces at least 2450 total running watts and 4800 total starting watts.
If you have a backup generator a generator specifically designed to power a home or a business in the event of a power outage that will often be able to deliver as much as 15 000 watts.
An 8 5 generator will run your 3 ton air conditioner.