Why Space Heaters are a BAD IDEA for a Mobile, Marine, or Off-Grid Electrical System.
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- Опубликовано: 4 июл 2024
- In this video, we will teach you how much power it takes to run an electric space heater in a mobile, marine, and off-grid electrical system and why it's a BAD idea.
This is episode 2.5 in our Electrical System Sizing Playlist in the EXPLORIST.life Academy.
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*Visit academy.EXPLORIST.life to experience every lesson, ad-free.* Follow along with a lesson plan, quizzes, and chat with other members. In the academy, you don't have to wait until every Sunday to watch the videos and read the articles; they will simply be published once we are finished.
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The scenario of a van parked indoors during the winter is to simulate a worst-of-the-worst case scenario of somebody who travels to cold environments (for snowskiing) and may be stuck in a snowstorm where it may be 4+ days without any kind of solar gain from the sun. If you are somebody who stays in warm weather and you never see below-freezing temps or snow; this example will be extreme for your case, but you should keep an open mind and use the concepts taught in the video to estimate the power that YOU can anticipate for YOUR needs and the way YOU travel.
Nate; the length of the video was just right and concise for you to convey the material.
An off-grid electrical space heating can be achievable with the use of closed cell foam insulation of the space needing heating or cooling and the use of an energy efficient mini split (aka Heat Pump).
By design, the mini split technology is more energy efficient. When compared to a conventional thermal heating unit, a Mini-Split has a CoP of 2.5 or greater, using 1/5 the energy required for a "thermal" electric heater that is running at 95% efficiency.
It is also important to have the area to be heated or cooled be vapor insulated, with closed cell foam, to trap the conditioned air so the mini split does not have to run as often to maintain the desired room temperature.
Good video! I use an electric space heater for load testing.
Thx Nate!! Great info and fun afterwards. Have a fantastic summer this year!!
Great video, thanks Nate. Looking forward to the R/C article.
A mini split type setup tends to be more than 100% efficient. Closer to 4 times in some cases even. Would be curious testing with something like the wave 2 in slightly less extreme conditions. Guessing it would be a tad more reasonable for a lot of places that don't get down to -20 and beyond.
I’d like to think that these videos arm you with the knowledge to go and test out whatever type of heater you’d like to use. Take what you’ve learned and apply it!
Excellent !
Many thanks!
Next video, how long can I run a car fridge (12v) with a jackery 😊 that’s my setup so far. I love your videos.
I have an odd request, what about electical heat rope usage? The kind used to wrap around water lunes to keep them from freezing.
Good information
Thanks!
I’ve always thought of running an electric space heater in my crawl space during the winter, off of solar. To gently heat the living space and floors.
Please cover heat pumps
I’d like to think that these videos arm you with the knowledge to go and test out whatever type of heater you’d like to use. Take what you’ve learned and apply it!
@@EXPLORISTlife I am currently installing a Amazon 9000btu mini split in a 332sf cabin, with 1600 watts of panels, and 1520ah of batteries. Not sure what is going to happen, but that's all this whole thing really is... Just one big experiment. Taco out!
Nate is right
Been a while since I seen you post.
Yeah? We’ve been putting out videos every Sunday at 5am MST for the last 2+ years. 🤷🏻😂
I have a whole house, electric, tankless, water heater that uses 240v AC and it is excellent, is there a way to convert a smaller size tankless, electric water heater to DC current for use in an overlanding expedition vehicle? I want to use one for potable hot water and a second one for underfloor radiant space heating. These would be my largest AC loads if I used inverters and I would probably need two very large inverter if I could not run those loads directly with AC current. Thank you
I’d love to see the comparison between space heater and heat pump because my class A RV has both - which is more efficient? Or are they equally ‘bad’?
The goal with these videos is to arm you with the knowledge you need to test your own equipment. Take what you’ve learned and go apply it.
That make my setup look like a toy
I just calculated - you told, the heater was switched to low. So it was running nearly all time.
We had it set to low/eco for most of the test, but on the days where it was particularly cold; we turned it up to high to keep a more realistic interior temperature of 60F. I had temp alarms set for when the van got too cold for comfort.
@@EXPLORISTlife Yes, your numbers about that time were some frosty
A Radiator Oil Heater is more efficient than resistance heating coils, then next Heat Pump is even better.
I don’t seem to be able to find the they running an air conditioner off grid video that you talk about. I’m guessing that you haven’t made it yet.
That'll be coming out this upcoming weekend (4/21/24) or it's already available in academy.explorist.life
@@EXPLORISTlife Thanks I will look for it
I've got a tiny 350 watt heater that basically I hang on an extension cord close to my bed at night.
It acted up in the smallest replacement I could find was like over 600 watts.
I was able to blow the original out with an air hose and it began to work again.
The power system I have is a Bluetti AC200 with 2 Batteries.
I have a Mr Buddy which is in storage to supplement that and I'm thinking of getting something like a diesel or gasoline heater. The latter is preferred because that is what the vehicle runs on so I don't have to install an extra tank.
I’ve learned that instead of using massive battery power it’s better just to get a good blanket! But it depends on the situation.
A heating blanket under the fitted sheet on the mattress is a great way to keep warm when the vehicle is cold. This can also be used in conjunction with other heating sources like a diesel/gas heater like an Espar heater or similar.
Blanket is good for sure, but actual heating will be necessary for a week long snowstorm in Canada at a ski resort where nighttime temps drop to -40.
Where do you buy a space heater for 15 dollars
A couple here: amzn.to/4aDjDpK
I pay $.12/kwh for electricity, which means the cost for those 546kwh, over 33 days, would be $65.52, or almost exactly $2/day. This is why solar doesn't make financial sense for a lot of people.
Although I do appreciate the view, The target audience for this video is the off-grid crowd, where we can’t simply pay for electricity.
Sadly Nate, we in California are getting a no-option choice. Space heaters or no heat for use due to climate change activists changing our use laws to be so restricted that sales of all fossil fuel heaters are banned.
This is more of a math video than a public policy video. I hope you were able to keep an open mind and learn something new!
@@EXPLORISTlife I wasn’t expecting that response but I did learn something. Good luck.