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The Mobile Space Heater


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Mar 25, 2010
The Mobile Space Heater
Eric Peters

Have you ever run an electric space heater in a room with no other source of heat – when the air temperature is say minus 10 (or lower) as it is right now in many states? You stay warm, sort of – but you can almost see the dollars burning in the red hot glow of the coils.

The good news is the space heater doesn’t have to move the room down the road at 60 MPH, too.

It’s also connected to the grid – not a battery. So while it costs a fortune to run, at least you won’t run out – of heat, that is.

Range, on the other hand . . .

How long would the space heater continue to provide heat if it were connected to a battery?

And also had to keep the room moving down the road at 60 MPH?

Electric heaters cost a lot to run – in energy and so dollars. Anyone who has ever run one for any length of time knows this, or comes to know it – after receiving that month’s electric bill.

It is no different in an electric car, which is heated electrically – except that the heater draws power from a battery rather than a grid.

Your mileage – your range – begins to vary.

It would be interesting to know exactly the effect on EV range of keeping the interior of an EV warm – not survivable, but comfortably warm – on a minus 10 degree day. How much range does one lose? How much time will one have to spend shivering at an outdoor recharger – assuming it’s not blocked by the snow and assuming your EV has a built-in system to keep the battery warm, so that it can be charged.

Bet you didn’t know about that, either.

Electric car batteries can’t be recharged if the ambient air temperature is below freezing – it’s a function of battery chemistry – which means that the EV must also heat its battery during the winter months, which will cost energy (battery drain) and further reduce the range.

The EV’s defroster uses heat, too – obviously.

But also the AC, not so obviously. Many people don’t know that, either. The AC doesn’t just cool the car’s interior in the summertime; it also dehumidifies the air, without which the defroster doesn’t work very well.

In which case, you can’t see very well.

So, another drain on the battery; a big one. AC compressors are energy hogs. It takes a lot to power one, whether mechanically (as in a non-EV) or electrically (as in an EV). The difference is that the non-EV can just fill up when the tank runs low – no matter how cold it is outside. But the EV’s got the double-pronged problem of reduced range – because of the power draw of accessories such as heat and AC, as well as lights and everything else that is electrically powered, which is everything in an EV – and having to find a place to recharge in time.

When it is minus 10 degrees outside, waiting can be more than merely inconvenient. It could be fatal. A discharged EV is a cold EV. No heat, until the battery recharges. Imagine sitting in a dark – and very cold – EV for the 30-45 minutes it takes to recover a partial charge at a “fast” charger . . . assuming one’s available.

This is a real danger – yet it’s not being talked about, much less under regulatory scrutiny by the government bureaucrats and pols who are so very concerned about our “safety”… when that excuse is a convenient pretext for mulcting us or abusing our once-upon-time liberties.

But when our physical safety runs counter to some broader agenda – as here – then we see how much the pols and bureaucrats actually care about our “safety.” (Other examples include the force-feeding of air bags, including ones known to be defective, and run-amok – or just run-stupid – automated cars).

EVs are being sold as if they were just like other cars – but they aren’t. EVs have functional characteristics – and deficits – that are unique to them but which are largely unknown to the general public because they’re purposely not being told about them.

Where’s Ralph?

Imagine the alarums which would erupt if any non-EV car had the potential to leave its owner freezing to death if they used a necessary accessory such as heat on a minus 10 degree day.

Or which needed to be heated in order to be “refueled.”

There is a reason why EVs are sold almost entirely in warm states such as California and Arizona – where there is little to no risk of freezing to death – and being stranded is just an inconvenience rather than physically dangerous.

Unless, of course, you run out of juice in Compton.

Jokes aside, it’s serious thing – and not being reported by the mainstream car press or warned about by “consumer” press.

Arguably, because the EV thing – like the “climate change” thing – has become a matter of faith and not to be questioned.

But with half the country experiencing record-breaking cold, it might be worth thinkingabout… .

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Eric started out writing about cars for mainstream media outlets such as The Washington Times, Detroit News and Free Press, Investors Business Daily, The American Spectator, National Review, The Chicago Tribune and Wall Street Journal.



Gold Member
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Mar 31, 2010
Where’s Ralph?
That's funny. Next book, "unwarm at any speed"?
A family member bought a new electric Chevy this summer.
So far he is liking it.
Mostly because he is a nuke operator & has a free charging station at work.
I was surprised at how small the battery is in the thing.


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Mar 31, 2010

According to YouTuber Moshe (The Electric Israeli), his Tesla Model 3 range was down some 42 percent during a recent holiday trip to New York City. Temperatures in the area plummeted to about 17 Farenheit (-8 Celsius), and the wind chill made it feel much colder. We’re not surprised that the car provided less range, as it’s well-known that vehicles aren’t as efficient in the cold. This is especially true for electric cars, but there are many factors, and it also depends on what steps you take to “help” the issue. With that being said, some of those steps may or may not be possible based on your situation.


Deep Sixed
Sr Site Supporter
Mother Lode
Mar 30, 2010
Author does a great job of clearing up some potentially deadly bullshit we are fed about electric cars. Sure they might be fun toys in places where it is always warm but up here forget it. The toyota phalluses I see around here in wintertime are all running on their gas engines. And I don't see many once the snow flies.
And face it, if you want to spend the money on a warm weather only vehicle there are much better choices. Like a sports car!