What Will a 6000-Watt Generator Run?
By the Generator Size Calculator Team · Updated · 8 min read
Quick answer: A 6000-watt generator runs the essentials of a medium home at the same time: a refrigerator, a freezer, a sump pump, a furnace fan, a microwave, lights and a TV, and it can start a 20,000 BTU central AC. It cannot run an electric dryer with other loads, a 40,000 BTU AC, or a 200-amp welder. This guide assumes 6,000 running and about 7,500 starting watts.
What "6,000 watts" means on your generator
Generators list running watts (what they can supply for hours) and starting watts (a short burst for motors). Some "6000-watt" generators are rated 6,000 running, others 6,000 peak with lower running watts. Check the label before you plan your loads.
This guide assumes about 6,000 running watts and 7,500 starting watts. Check the label on yours. Anything with a motor or compressor needs extra watts for a moment to start, and lights, TVs and heating elements draw about the same all the time. See starting vs running watts.
6,000-watt generator appliance chart
Typical figures from Honda's wattage guide. The last column judges each appliance against 6,000 running watts, an 80% limit of 4,800 watts and about 7,500 starting watts. Your appliance may differ, so check its label.
| Appliance | Running watts | Starting watts | On a 6,000 W generator |
|---|---|---|---|
| Refrigerator or freezer | 700 | 2,200 | Yes, with other loads |
| Sump pump, 1/3 HP | 750 | 1,500 | Yes, with other loads |
| Sump pump, 1/2 HP | 1,000 | 2,100 | Yes, with other loads |
| Sump pump, 1 HP | 2,300 | 4,500 | Yes, with other loads |
| Well pump, 1/3 HP | 1,000 | 3,000 | Yes, with other loads |
| Furnace fan, 1/3 HP | 1,000 | 1,800 | Yes, with other loads |
| Microwave (625 W) | 625 | 800 | Yes, with other loads |
| Coffee maker | 1,750 | 1,750 | Yes, with other loads |
| Toaster, 2-slice | 1,050 | 1,050 | Yes, with other loads |
| Dishwasher | 1,450 | 1,800 | Yes, with other loads |
| Washing machine | 1,150 | 2,300 | Yes, with other loads |
| Clothes dryer, gas | 700 | 1,800 | Yes, with other loads |
| Clothes dryer, electric | 5,750 | 1,800 | Maybe, on its own, near the limit |
| Electric range, one 8-inch element | 2,100 | 2,100 | Yes, with other loads |
| Space heater, high | 1,500 | 1,500 | Yes, with other loads |
| Central AC, 10,000 BTU | 1,500 | 2,200 | Yes, with other loads |
| Central AC, 20,000 BTU | 2,500 | 3,300 | Yes, start it first |
| Central AC, 24,000 BTU | 3,800 | 4,950 | Yes, start it first |
| Central AC, 40,000 BTU | 6,000 | 7,800 | Maybe, check the peak rating |
| Air compressor, 1 HP | 1,500 | 4,500 | Yes, with other loads |
| Welder, 100 amp | 3,600 | 3,600 | Yes, start it first |
| TV | 300 | 300 | Yes, with other loads |
| Computer | 150 | 150 | Yes, with other loads |
| Garage door opener, 1/3 HP | 725 | 1,400 | Yes, with other loads |
LED bulbs use about 8 to 15 watts each, and chargers are tiny. For appliances not listed, use the generator wattage calculator.
Example: what a 6,000-watt generator can run at the same time
A realistic outage setup with the whole kitchen essentials and a basement:
| Load | Running watts |
|---|---|
| Refrigerator | 700 |
| Freezer | 700 |
| Sump pump, 1/2 HP | 1,000 |
| Furnace fan, 1/3 HP | 1,000 |
| Microwave | 625 |
| TV, lights, chargers, Wi-Fi | 475 |
| Running total | 4,500 |
The running total is 4,500 watts, under the 80% limit of 4,800 watts. Add only the largest extra start-up load, the refrigerator's 1,500 watts. That gives a peak of about 6,000 watts, under the 7,500-watt starting capacity.
Add your own appliances and see the running and peak watts.
What a 6,000-watt generator can't run
A 6000-watt generator cannot run an electric dryer (5,750 W) with other loads, a 40,000 BTU central AC (6,000 running and 7,800 starting watts), a 2 HP air compressor (7,700 starting watts), or a 200-amp welder (9,000 W). An electric range with the oven can also exceed its limit.
Can a 6,000-watt generator run a house?
It runs the essentials of a medium home, and with careful load management a 20,000 BTU central AC too. For everything at once, see whole-house sizing and what a 7500-watt generator can run.
Tips to get more out of it
- Start the biggest motor first, with nothing else running, then add smaller loads.
- Take turns with heating appliances like the coffee maker, toaster and space heaters.
- Use heavy, outdoor-rated cords. See the extension cord calculator.
- Plan the fuel. See how long a generator runs on a tank of gas.
Safety rules
Run the generator outdoors, at least 20 feet from doors, windows and vents. Never in a garage or shed, even with the door open. See how far a generator should be from your house.
- Install battery-powered carbon monoxide alarms on every level of the home.
- Never plug a generator into a wall outlet. See how to connect a generator to your house.
Frequently asked questions
Can a 6000-watt generator run central AC?
A 10,000 or 20,000 BTU unit, yes (up to 2,500 running and 3,300 starting watts). A 24,000 BTU unit at 3,800 watts leaves little room, and a 40,000 BTU unit does not fit.
Can a 6000-watt generator run a fridge and a freezer?
Yes, with plenty of room for a sump pump, furnace fan and lights.
Can a 6000-watt generator run an electric dryer?
On its own, an electric dryer at 5,750 watts is above the 80% mark. Run it by itself or use a bigger generator.
Can a 6000-watt generator run a house?
The essentials, not everything at once.
6000 watts running or peak?
Check the label. Some models list 6,000 peak with a lower running rating.
Related calculators
Sources: Appliance and tool running and starting watts from the Honda generator wattage guide, space heater watts from Lasko, and typical generator ratings from manufacturer guides. The 80% running-load rule and the assumed starting capacity are our planning assumptions, so confirm the ratings on your own generator.