Can I Run A Space Heater Off A Generator

Ava Flores
• Thursday, 07 January, 2021
• 7 min read

Here’s everything you need to know about powering space heaters with generators and what you need to consider staying safe! Additionally, we’ll cover whether it makes sense to use generators to power space heaters, and I’ll show you some handy alternatives (that might work even better for your purposes).

generator space run heater
(Source: heatertips.com)


Generally, running a spaceheateroff a generator is energy inefficient though. As already said in the quick answer, you canrunspace heaters safely using generators that deliver 2000W of power or more.

By having this 500W safety-buffer, you make sure that fluctuations in power don’t blow your fuse. Fluctuations could be caused by using an extension cord or changing the temperature settings on your heater’s thermostat.

With 2000W power, it can handle all common 1500W space heaters, even the big oil-filled radiators. It actually is a clone of a Yamaha generator, however, it performs just the same for less than half the price.

Most space heaters run on 1500W but have a lower power 750W setting. However, with 750W you will not be able to heat big rooms, and you might only raise the temperature by a few degrees.

Or use an extension cord to run the generator outdoors while using your heater indoors. Poor quality ones oftentimes caused fire accidents.

battery camping blankets electric amazon operated portable generator power 12v solar panel dc serenelife source outlet blanket inverter charged cpap
(Source: www.amazon.com)

Generally, you should never use an extension cord with a space heater when you plug it into your house power supply that is rated at 1500W. The more power your generator has, the smaller the chance of a fire or a blowing fuse gets.

Even if we reduce the spaceheater’s power to only 750W (low heat), most generators will only last for 6-8 hours. From a practical thinker’s perspective, this doesn’t make sense at all.

Why don’t we just skip the electricity part and convert fuel to heat directly? Common methods for fuel heating are furnaces or gas heaters.

Generator Reviewer But remember: Even with an indoor propane heater you should play safe and air your room regularly. For additional safety, you can also install a carbon monoxide alarm in your house that will notify you when there’s too much CO in the air.

Powering a space heater with a generator could make sense in the following case. In most cases, the propane heater beats the space heater plus generator combo.

patriot power
(Source: 4patriots.com)

He studied electrical engineering and information technology and decided to blog about heaters after working in the temperature sensing industry. You can even plug in many appliances at once, but collectively, they shouldn't draw more power than the generator can supply.

Manufacturers design the number of turns in the coil and its period of rotation to supply either 120- or 240-volt power with a frequency of 60 Hz, which is the same electricity available from standard receptacles in any residential or commercial building. The size and efficiency of the engine determines the amount of power, measured in watts, that a given generator supplies, and the generator will run any appliance that has a power draw less than its rating.

To avoid this, you should double the average wattage rating for large appliances with motors when determining the sized generator you need to run them. If the generator is undersized, start-up surges can overload and damage it, and the appliances won't operate properly.

Also, because generators have fuel-powered engines and emit noxious fumes, they need proper ventilation; you should never operate one in an enclosed space. Finally, remember to ground your generator, following the instructions in the manual that comes with it.

2,000 watts doesn’t sound like a lot, but it can power a lot of household equipment like your freezer, fridge, Laptop, microwave, and some extras like smartphones, and PC. It doesn’t mean these larger electronics can ’t be powered by the 2000 watt generator.

propane heating sippin backup generators central energy ct heat electricity
(Source: sippin.com)

To this effect, we have curated the top 2000 watt generators currently on the market in 2020. Unless you want to purchase a generator that can ’t power as much as a toaster and TV, you don’t want to make the mistake of ignoring these terminologies.

Small gadgets at home mostly don’t require the starting watt. We’ve selected the most rated generators at the 2000 watt range to help you skip the hard work of sifting through the hundreds of reviews to find the best generator.

We will answer a lot of questions that people often ask me via the contact form. So I thought it's better to make an FAQ section that outlines most of the already answered questions.

I will be glad to help you the best I can. Another important note you should remember is when using the generator is to make sure the appliances you are running do not exceed the power rating of the generator (Starting and running watt). As recommended by professionals, the generator should not perform above 90% of its power rating.

If you remember earlier I mentioned the starting or running watt not exceeding 90% of its power rating. In that case, you can safely run a microwave and get a pass to charge a laptop and smartphone.

boondocking basics rv
(Source: shorelooksnice.com)

Sump pumps are categorized under the larger appliances that consume power. If it’s not important I advise you to avoid running the sump pump completely.

For larger appliances like the sump pump, ensure you have a 240 V outlet on the generator. A 2000 watt generator is not efficient to run a standard central air conditioning unit.

This is a result of the starting watts which a standard AC will require more than 90% power rating of the generator to run. If you still ignore the warning, you risk breaking your generator or burning the AC motor completely.

There generators out there that require less than 2000 watts to run central AC, but I recommend you contact the manufacturers to be on the safe side. Make no mistake of directly connecting your generator to the main electrical system of your house.

A transfer switch is of paramount importance, it’s a matter of life and death if you don’t use it. This is on the condition your refrigerator does not fit in 10 sized adults inside (Pun intended).

space heater fan heaters vornado
(Source: www.businessinsider.com)

You can check your refrigerator or freezer’s power rating by reading the manuals or contacting the manufacturers. This will help in mitigating the risk of damaging the high total harmonic distortion.

It’s a bit tricky when it comes to using a 2000 watt generator to run a welding setup. The products mentioned in the article have been tested first-hand by welders, a guarantee that you have the best generator for the job.

But if compressors are different, and you must check the manual to know the running and start watt of the appliance. The table of the top 2000 watt generators is judged on quiet function, dual fuel options, running time, and efficiency.

If you are irked by the noise then you will need a quieter option in an Inverter. Inverter Generators run silently and are known to emit less carbon into the atmosphere.

Does it have an enclosure to protect it against harsh weather? These are questions you need to ask yourself. Don’t be bent on buying a 2000 watt generator, your needs might surpass it.

(Source: battlebornbatteries.com)

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