Zwy
Emperor Of Solar
Not yet............. This one is tempting though. https://www.amazon.com/dp/B08QF72SS...colid=IJC9RMFZ4T07&psc=1&ref_=lv_ov_lig_dp_itAnyone have a link to where I can buy one of these in the US?
Not yet............. This one is tempting though. https://www.amazon.com/dp/B08QF72SS...colid=IJC9RMFZ4T07&psc=1&ref_=lv_ov_lig_dp_itAnyone have a link to where I can buy one of these in the US?
While in general I love mini split - I got an RV with Air ducts in the ceiling. With a wall mounted Split Unit half of the RV would not be cooled.....That dc airco one looks sketchy. There are a few on ebay that might come from the us, but probably not. Honestly, I think getting them from the source is the only way to go right now.
I like the mini split wall mount vs. the ceiling mount. I think we can them cheaper than the treeger on amazon, even with the expensive shipping from China.
I have a portable 10k btu in my camper right now it it's more than enough for what I'm trying to do. I'm guessing I would be okay with a 6k btu.
I have seen tons of these on the back of trucks. I'm surprised we aren't finding more.
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There is probably a large factory now cranking out those things and multiple sellers are putting their spin on it. It's not like that a DC Air conditioner is anything fancy or high tech. The technology has been there for years. Ever since Toyota put a DC Compressor in their Prius a decade ago or so.
Expensive:
Cheap:
These are all starting to look the same.
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I bet the yellow one is the fastest though.
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12V 24V feeds the control board (inverter) board - from there it goes 3 wire into the compressor.Prius uses high voltage for compressor power, big difference between 400V and 12V.
Basically, it seems they are adding an electric brushless motor to the end of an automotive scroll compressor. I'm wondering if the compressor is hermetically sealed.
The info in this article is from MACS which is the Mobile Air Conditioning Society. MACS is the go to source for any information concerning mobile air Conditioning systems and provides instruction to the industry. https://aviondemand.com/insider/mastering-hybrid-hvac-systems-pt-1/12V 24V feeds the control board (inverter) board - from there it goes 3 wire into the compressor.
you don't know what they are running between the controller and the compressor. Could be really anything, it will be more then 12V could be 200V for all we know.
The 24V 7K is very interesting. I could run that on battery power alone for 20 hours.I'm trying to put together a list of what is a available for DC air conditioners. I think there are a few more options in the trucking industry, that we might be missing. I would love to get feedback on any of these options. I know there was a thread where someone popped in to say they were installing a chinese AC, but i never saw any results. I'm not going to document every model from each manufacturer, and if there is a specific model that stands out above the rest please let us know.
There are couple of well documented expensive options:
CruisenComfort HD-12L 8K BTU/h - https://www.cruisencomfortusa.com/
So there are 4. basic mounting options:
1. On the roof - all in one Unit.
2. Split - with vertical Condenser Unit - only possible at the back of the RV
3. Split - with horizontal Condenser - undermount (compartments or free space on the frame)
4. Split - with horizontal Condenser - Roof Mount
I'm torn between 1 and 3The easy of installation of a Roof Unit - would be nice.
Yet I'd like the noise reduction of a split and potential efficiency gain.
Further I like to get stuff off my roof to fit more solar panels.
I sleep opposite end, I just don't have room unless bike rack goes up front in front receiver hitch.I don't like mounting stuff on the back of the RV - there is my bedroom and strapping a compressor to that wall - yeah no deal.
4. Split - with horizontal Condenser - Roof Mount
The DC units are actually pretty flat compared with regular A/Cs Only like 8 inches tall. Yet they also vent hot air out through the top. not a good idea covering them with solar.From past experience with undermount condensers, the road debris and other items take a toll on the units. The fans usually fail from water intrusion. If you were to drive in the winter with an area of salt, it really is hard on the unit.
If one is to only drive highways and not in winter, you would add some life to it.
Actually starting to look better provided it fits under my tilting panel assembly. If using the ac, the panels would be tilted up anyway.
Build a tilting rack over the top of the unit.
I sleep opposite end, I just don't have room unless bike rack goes up front in front receiver hitch.
The DC units are actually pretty flat compared with regular A/Cs Only like 8 inches tall. Yet they also vent hot air out through the top. not a good idea covering them with solar.
Otherwise - with the efficiency gained - I might not need the additional space.
1. rule about off grid solar - don't use solar - safe energy first.
For undermount - I was thinking inside one of the luggage compartments - Those things width doors and seals.
Replace the door with some water repelling grate. Or automate and use some power louvers.
I live in Florida and deal with a lot of water all the time - but no salt.
I've been following this thread with interest for several reasons. One, I'm interested in installing one on my RV. Two, I currently work in the mobile HVAC field as a specialist and this might be a business opportunity for me. By purchasing a unit and installing it, I can then determine what I would want to provide to customers.Actually starting to look better provided it fits under my tilting panel assembly. If using the ac, the panels would be tilted up anyway.
Mr. Zwy or anybody else reading, have you located a split with a horizontal condenser on the roof????
That is what I need and want.
If you know of any options PLEASE share them.
Thank you ALL
I'm installing an LG Mega 115v series 12K BTU mini split in my travel trailer this weekend. It will run off my Victron inverter. You can buy cheaper mini splits on Amazon. I didn't find any DC (12, 24, or 48 volt) air conditioners that were cost effective. I can add two more batteries and more solar to my roof PLUS the 115v mini-split for the same or less than trying to use one of the DC air conditioners.I've got a 24v system which I step down to 12v for the 12v appliances. Who knows of some 24v appliances that they can recommend? I most need an AC unit; drove 4200 miles so far and the sun is intense. Nights are hot regardless of shade. Looking for a portable unit for inside my camper van. Thanks in advance.
maybe this qualifies as a horizontal mini-split.... I am also thinking of this: E-Clima6000 Sleeper Cab ACOne, I'm interested in installing one on my RV. Two, I currently work in the mobile HVAC field as a specialist and this might be a business opportunity for me. By purchasing a unit and installing it, I can then determine what I would want to provide to customers.
I think this is the main issue: Cost.I didn't find any DC (12, 24, or 48 volt) air conditioners that were cost effective. I can add two more batteries and more solar to my roof PLUS the 115v mini-split for the same or less than trying to use one of the DC air conditioners.
There is soooo much untapped integration potential in an RV.One opportunity for integration in my RV might be using the expelled heat from the AC to heat water for the hot water tap. It's a shame to throw all that heat away and then use propane to get hot water. And couldn't that same heat cool my refrigerator? I'm using ammonia heated by electricity or propane currently. It seems to me there is a lot of opportunity to make the whole setup more efficient.