Picture a chilly evening when your ceramic heater is your only source of warmth. You plug it in, but the power flickers and fails. The right generator can prevent this scenario. Knowing how to choose the correct size of generator for your ceramic heater ensures you stay warm even during power outages.
This article will guide you through the essential calculations needed to determine the appropriate generator size. You’ll also learn about a versatile option, the Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, which can power various appliances efficiently while giving you peace of mind.
Westinghouse
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
- Automatic Home Backup Made Portable: Pair with the Westinghouse WATS200 Automatic Transfer Switch for automatic backup power. This…
- Built for Longer Engine Life: The powerful 550cc engine features a pressure lubrication system that delivers oil to critical compo…
- Power for sensitive electronics: Less than 5% THD delivers cleaner power for phones, computers and TVs. Copper windings help it ru…

EcoFlow Delta 1800 Space Heater Test - Can The Delta Solar Generator Run a Small Space Heater?Watch on YouTubeUnderstanding Power Requirements
Okay, but how much power does your ceramic heater actually need? The wattage of your ceramic heater is crucial for determining the generator size. Most ceramic heaters range from 750 watts for smaller models to about 1500 watts for larger ones. Check your heater’s specifications for its exact wattage. You’ll want a generator that meets or exceeds this wattage.
Calculating Total Wattage
Let’s break this down. If you have a ceramic heater rated at 1500 watts, that’s not the only number to consider. You might also want to run other devices simultaneously, like lights or a small refrigerator. Here’s how to calculate your total wattage:
- Identify the wattage of each device you plan to use.
- Add these wattages together.
- Include a buffer of 20-25% to accommodate startup surges, especially for devices with motors.
For example, if your ceramic heater uses 1500 watts and you want to run a 300-watt light, your total would be 1800 watts. Adding a 25% buffer brings this to 2250 watts. Therefore, you’ll need a generator capable of at least 2250 watts.
Choosing the Right Generator Size
What size generator do you actually need? Generators are rated by their running and peak wattage. The running wattage is the continuous power needed, while peak wattage is the maximum output for short bursts. For running a ceramic heater and other devices, focus on the running wattage. A generator that provides at least 20% more than your calculated total wattage will ensure reliability.
For instance, if you calculated a need for 2250 watts, opt for a generator with at least 2700 running watts. The Westinghouse generator mentioned earlier offers 11,500 running watts, making it more than suitable for your needs. Its versatility with gas, propane, and natural gas adds to its appeal.
Generator Features to Consider
When selecting a generator, consider several features to ensure it meets your needs:
- Fuel Type: Gasoline, propane, and natural gas options provide flexibility.
- Starting Mechanism: Look for generators with a remote electric start for convenience.
- Run Time: Assess how long the generator operates on a full tank. A generator with a longer runtime increases its utility.
- Safety Features: Automatic low-oil shutdown and CO sensors are essential for safe operation.
These features will enhance your generator’s reliability and usability.
| Generator | Running Watts | Peak Watts | Fuel Type | Run Time |
|---|---|---|---|---|
| Westinghouse 14500 | 11,500 | 14,500 | Gas, Propane, Natural Gas | Up to 19 hours at 25% load |
| Honda EU3000iS | 3,000 | 3,600 | Gasoline | Up to 20 hours at 25% load |
| Champion 76533 | 3,400 | 4,250 | Gasoline | Up to 12 hours at 25% load |
Can I run a ceramic heater off a generator?
Yes, you can run a ceramic heater off a generator as long as the generator’s running wattage meets or exceeds the heater’s wattage requirements.
What size generator do I need for a 1500 watt heater?
A generator with at least 1800-2250 running watts is recommended to accommodate the heater and any additional devices.
How long can a generator run a ceramic heater?
The runtime depends on the generator’s fuel capacity and load. Generators like the Westinghouse model can run for up to 19 hours at 25% load, meaning it can effectively power a ceramic heater for several hours.
Is it safe to run a ceramic heater continuously on a generator?
Yes, as long as the generator’s capacity is not exceeded, and it has proper safety features to prevent overheating or fuel depletion.
What are the risks of under-sizing a generator?
Using an undersized generator can lead to overload, resulting in damage to both the generator and the devices connected, including your ceramic heater.
Final Thoughts to Take Away
- Know your ceramic heater’s wattage.
- Add up the total wattage for all devices you want to run.
- Choose a generator with at least 20% more wattage than your total.
- Consider features like fuel type and safety mechanisms.
- The Westinghouse generator offers ample power and flexibility.
- Always check your generator’s specifications and limits.
- Regular maintenance keeps your generator in optimal working condition.

