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Run your window AC with just 2 solar panel when sun shines Part 2 improving system easy DIY project
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- čas přidán 14. 08. 2024
- Today we are doing Part 2 of running a window ac with just 2 solar panels. Links below. We had over 270,000 views and a lot of questions. So today we are going to try and answer as many questions as possible in this video and offer suggestions to improve upon this basic system to adding more charge controllers and more batteries, using a 24 volt all in one off grid inverter with 4 batteries in battery bank to run a mini split, we try to answer dozens of questions from viewers all in this one video. This video is meant to help the people new to off grid solar with simple explanations in laymen terms. We cover from running a single window ac to running an entire 2 story , 2450 square feet house upstairs, downstairs and garage all being air conditioned with only solar in day and being able to use a 25.5 kWh battery bank at night to run 3 1/2 ton heat pump to keep upstairs cool all through the night. In June of 2023 we spent $0 on air conditioning our house and garage. All off grid DIY solar. Please like, share, subscribe and hit notification bell as well. We will add links in this description in a few days for the components we use, where to buy and how much. We tried to share most components in video of where we bought. Hope you enjoy the video and hope you have a truly wonderful and extremely blessed week. See first video for links for other components not shown here. Links below for products in the this video and for other products I use.
www.santansola...
signaturesolar...
EG4 9K Mini-Split Air Conditioner Heat Pump | 9000 BTU | SEER2 29.5 | Plug-N-Cool Do-It-Yourself
signaturesolar...
EG4 12K Mini-Split Air Conditioner Heat Pump | 12000 BTU | SEER2 28.5 | Plug-N-Cool Do-It-Yourself Installation
signaturesolar...
EG4 Hybrid Solar Mini-Split Air Conditioner Heat Pump AC/D
C | 12000 BTU | SEER2 22 | Plug-N-Cool Do-It-Yourself Installationsignaturesolar...
EG4 BrightMount Solar Panel Ground Mount Rack Kit | 4 Panel Ground Mount | Adjustable Anglesignaturesolar...
EG4 Solar Charge Controller MPPT | 500VDC 100A | MPPT100-48HVsignaturesolar...
signaturesolar...
signaturesolar...
EG4 LL-S Lithium Battery | 48V 100AH | Server Rack Battery | UL1973, UL9540AEG4-LL Lithium Battery (V2) | 48V 100AH | Server Rack Battery | UL1973, UL9540A
signaturesolar...
SureStart Soft Starter | 4 Ton and Under | SS1B08-16SN
signaturesolar... Soft Starter | 4 Ton and Under | SS1B08-16SN
Hope you all enjoy this video
I have the exact same set up I just built because of you. Eight 100 W panels 2-30 amp charge controllers One 100 amp hour lithium iron phosphate battery and one 5000 BTU window unit. It’s been running since 930 this morning and it is now 730 that I’m turning it off. Renogy panels and charge controllers, 2200 w pure sine wave inverter.
Thank you for the info this works great.
very nice, Great Job. Your next project if you choose to accept is to run your whole house and garage on solar in the day and house on LiFEPO4 EG4 battery bank overnight. In June I spent $0 on air conditioning my 2 story house and garage. Thank you for your update. I am thrilled you were able to build that system.
How much?
@@lolawalsh9187 all in I’d say about $1200, except the battery I had that already. That includes buying the tools 🛠 also. Last Amazon had a big sale, 2 pv $130 30 amp controllers $105 ea 2200wt pur sin inverter $265. I saved up for a long time & it paid off to be patient. I put The panels on the roof with magnets for off-road lights no holes. All thick wires two sets of 60 to 80 feet everything breakers fuses battery monitor Amazon had a sale for several days and I took advantage of it. I live in the middle of nowhere the nearest city is an hour and 45 minutes away so I have to order everything through Amazon or some other places, I don’t have the luxury of going to the local store.
Mini splits start at $500 and up. The higher the seer which uses less power to run, the more expensive the mini split. You can get a off grid 24 volt 2400 watt 120 volt ac output for $400 and up. Battery vary quite a bit, they no longer sell the AGM batteries I use, but Agm batteries start at $200 each. You can buy kits that have almost all the components for off grid solar from. santansolar.com and signaturesolar.com it all depends on what you want to do. I don’t sell products, I just share what I did with off grid solar and where to look fr most products. You will have to do the research for the system you want to build. You can find most products on eBay and Amazon as well. You have to determine what breakers and fuses and cut off switches you add to your system. DIY is best learned by watching videos of those who had built a system that works and is close to what you want to do. There are many DIY videos on CZcams that show how to install just about every single component in a solar power off grid system. Watch videos on several different off grid inverters to get a better idea of what inverter you might want to buy. I use a lot off lower prices less efficient heat pump mini splits but you can get much more efficient heat pumps for 2 to 3 times the price I paid. But I’m content with the lower price and how well it meets my needs. I bought 3 mini splits that can heat it cool 1800 square feet for the same price as one mini split that is much higher efficiency that can only cool 600 square feet. You had to do your homework to see what you want to use by watching videos with both type of heat pumps. Learn how solar off grid works and then start looking for the components. Hope this helps, hope you have a wonderful and blessed week
It’s amazing what kind of used panels you can get cheaply today. I’m running a 12,000 btu Midea inverter window unit on some $75 panels I found on FB. It’s a great alternative to a small mini split. No startup spike and it ramps up or down slowly. Congrats on the great video response and I truly hope you are feeling better.
Thank you for your comment, I have not tried the 12,000 btu inverter window unit but have seen good reviews, same technology as mini split. Can I ask how much the unit cost? And how many watts it pulls when fully running with cold air coming out. And how low will watts drop to once room is cooled to temp set at? Thanks in advance for your answers. Hope you have a truly wonderful and extremely blessed week. I have my good days and my bad weeks or months but I always get through the tough times with the Lords help. Thank you for your kind words and thoughts.
@@diy-solar-guy I bought the 12K BTU Midea “U” inverter AC online from Costco for $339. At full power it pulls about 1250w. On average hot day it’s 850-1100w. It never spikes so perfect for solar! I’m running it with An EG4 3000 EHV inverter and 1 EG4 LP Battery. I have 8 used 280w LG panels and use the unit to keep my 1200SF Shop from overheating. To get that much space really “cool” you’d need 2 tons of AC but It was 107f yesterday in central TX and it peaked at 89f in shop, so that’s comfortable and good enough for me. I’ll upload some videos of the setup and how it’s working. 😁
Wow, you got a great deal. I just bought today 10-250 watt used solar panels that have color blemish on front side for $25 each. No tax in AZ. I actually bought a AUX 12,000 btu, 120 volt mini split at Lowes last year that was a return that was never used and had all the parts for $72. That mini split is going in my motor home along with LiFePO4 batteries and a few solar panels. Thank you for sharing this information with us. Hope you have a wonderful and blessed week
That running the lines lower down is such a simple thing but absolute genius especially living where we do. So glad you're feeling better.
Thank you so much. It did not make sense to me but they do that to make it look nicer on the inside of the house. I’m glad I’m feeling better as well.
Welcome back. And glad you're feeling better. New subscriber here.
Thank you. Thank you for subscribing as well. Hope your have a truly wonderful and Extremely blessed week
Good stuff here
Thank you, check out how I can air condition my entire house and garage in the day and air condition the house overnight with battery bank. We can run our pool pump and cool or heat the water year round to swim. I think you will enjoy seeing some of the many things you can grin with off grid solar. Hope you have a wonderful and blessed week
Wow..god bless you man dealing with cancer and still trying to share information on your projects i take my hat off and stand up for you..thankyou sir salute
I have a lot of time on my hands and want to freely share with others so they can DIY solar off grid. Once you can you grasp the basics, you can move into run almost anything inside and outside your house and garage. Check out my other videos and see how we do this with so many appliances. We now air condition our house and garage all day long on solar and the house at night with a lithium iron phosphate battery bank. We run our pool pump 7//4 365 days a year and can heat out in ground pool in winter, all with off grid solar. Thank you for your comment and warn blessing, hope you have a wonderful a blessed week
Thank you for explaining this so clearly in a way that's understandable for beginners!
You are so very welcome, that was my purpose. Hope you have a truly wonderful and extremely blessed day
I put a 5000 BTU window AC unit I got off Amazon in a shed running off 2 - 265-watt panels 100 ah lifeP04 12V battery. What I found was when it was about 90-93 out the unit pulled only 400 watts. When it got to 115F outside it pulled 1000 watts of power about 3 times what two panels could handle. Running under full load when it was really hot at 12V DC current to my inverter was around 80-90 amps. My solar was putting in 27-29 amps of power under full sun. This year I'm upgrading to 12 395-watt panels I got from Santan with their buy 3 get 1 free deal on Black Friday and a new inverter EG-4 3000-48V. Along with that I bought 16 280 AH EVE cells from China be here in February. Should be more than enough to run 24/7 AC in that shed.
Sounds like you creating a really nice system upgrading it. It is great adding to your system, you can always add more to do more. Thank you for your input and I hope you have a wonderful and very blessed weekend.
@@diy-solar-guy Also be running a few circuits in the house through a transfer switch to backup computers, and an evaporative cooler try and cut the bill down some. Later I might add another EG-4 do split phase. I wonder how clean the waveform is out of these inverters.
@@Mike-01234 I don’t think I will ever tie to grid. The savings I currently have does not make it worth it. I like my savings and the fact that my off grid system is paid off. My basic usage daily is only 10-20 kilowatts. That is lights, one fridge and all my appliances. I am only electric here. Hope installing a new inverter and transfer switch works well for you. Hope you have a wonderful and blessed weekend.
Hello!
hi MR BIRDY
Thank you for sharing, especially showing the draw in watts and amps. With electrical especially solar You want to use the Highest voltage you can (220v-240v residential )with the highest rated watt solar panels. I recommend 350w-400+ with a Rec brand or Panasonic or equivalent. Those type of brands are rated for 25 years of use with the least amount of efficiency lost at the 25 year period. Those are also rated for higher temperature areas like the one you’re in.
You want the highest efficiency rating on any of that solar equipment used with UL listed rated components.
Like 93% + efficiency percentage or higher as well as the lowest standby draw in watts.
Same goes for those mini splits you want the highest rating seer that you can get at the price you can afford, with the best warranty.
On batteries you want to use 48V lithium life. These systems need to be planned methodically and efficiently at reasonable price points
You can maximize your efficiency without buying unnecessary equipment. A high-efficiency pure soundwave inverter is a must especially if you have electronics.
Your driveway looks like it gets a ton of sun. It be nice if you could use a solar array, carport style, and then you would have shade for your vehicles along with a ton of power. Those HOA’s are not homeowners friendly
Thank you so much for all that wonderful information, that is great advice. Hope you have a truly wonderful and extremely blessed week
the heat pumps are around 2x as efficient - the sweet and lodown
Thanks
Pappa, great video. Can you please recommend the solar panels and components I would need to run one 24, Btu pioneer mini split single head. It would be greatly appreciated. I live in LV, Nevada. Thank you.
Your weather is pretty much the same as Phoenix Az where I live. Is that a 24,000 btu mini split, 230 volts? Just one indoor head unit?
How do you like the MPP Solar hybrid 24 volt inverters? I like that they are stackable and can be wired for 220 split phase as well, but wonder how they hold up in the long run
I used for about 2 years. The inverters I have a stackable but unable to produce split phase 120/240 volts. They worked well for me. I moved to the 48 volt Growatt inverters to run my whole house heat pumps and 127,000 btu pool heater. The 24 volt MPP are not low frequency and unable to start my heat pumps. But the MPP ran 5 mini splits very well when I had 4 inverters in parallel sharing amps. Not sure how long the MPP inverters will last. The one draw back was low solar panel input voltage. Pretty stable inverters with little problems or error codes popping up.
@@diy-solar-guy thanks for the quick reply, I was looking at there hybrid lv2424 they say can do split phase stackable. I’m here in Tucson and looking to do something similar with mini splits in my home and in our 5th wheel. Right now I am gathering the parts. Can one inverter run 1 9000/12000 btu 110v mini split on its own? Also do you have Patreon? I would love to support your channel. Your explanations are great not over my head. A lot of these other CZcamsrs seem to get lost in the minutia lol.
@@billkalahar6123 my 24 volt inverters were 2400 watt each. You might get 1800-2200 watts input from 2400 watts. You can definitely run one mini split, 12,000 btu mini split will use around 1200 -1300 watts at peak but once room is cooled can drop down to 500-800 watts. With 2400 watts input, you could maybe run 2 mini splits. Especially if they are 22 seer or higher. Higher the seer rating, less watts at startup, peek and when room reaches temp. For one mini split you would probably need at least 1500-1750 watts connected in solar panels. Signature solar has hybrid mini splits that are direct solar connection with no inverter involved. They also have other hybrids that are really efficient. Take a look at signaturesolar.com. Hope this info helps. I do not have patron. I just enjoy sharing with others. Sharing my videos helps. Let me know if I can help or answer any more questions. Hope you have a truly wonderful and extremely blessed day
Does it switch to using the battery at night? How long it would last?
@@sambee5748 I have to plug the ac into either solar inverter or grid outlet in wall. You could have LiFePO4 batteries connected to the solar inverter and run at night. But you would have to manually remove plug for ac and plug into what you want to be able to run ac.
Ps, i’m in the geographical center of Texas.
i love Texas, I buy most of my components fron Signature Solar
Sorry about delayed answer, CZcams uploaded my video as premier or live and I had no idea what was going on until I tried to watch video, then had to figure out how to reply in two different areas on the fly with no experience with this stuff. Thank you again for you wonderful input and success with ac solar, hope you have a wonderful and blessed night
Can the ac run all night all day
You would need a LiFePO4 battery bank. This uses 550 watts an hour so I would use a 6-10KWh battery bank or just plug into grid outlet.
What's going on
It's a premiere.
not much
@@OldmanJM My first Premiere, what should i wear
@diy-solar-guy clothes are a great start.
@@reallyskeptical lol, that is funny
eg4 makes a mini split that the panels plug directly into the outside unit.
I know , I want to get one but I already have 6 mini splits installed in my house and garage and I already have one to install in my motor home. I only paid $72 for complete mini split return at Lowes last year. The same exact one I have 3 of. The EG4 mini split is $1299 for direct input from solar panels.
Wanted to use 24,000 eg4 but after watching a video the installer said the wall was thick and couldn’t get a 90 bend on the low pressure side. I contacted him and signature solar to get a measurement on the inverter lines but neither of them could give me a measurement. My wall is approximately 1 foot thick. Pioneer works great with enough copper to make the bend. So, buyers be ware.
That is a good point. My wall is 2x6 construction and another 3-4 inches insulation. I actually installed my mini splits lines at 6 inches above the floor rather than go straight out 8 feet off ground and have line’s exposed to the heat. Only 2-4 feet of lines are outside, the rest of the line length is inside. I installed 4 years ago and not one problem installing that way. Something to think about and try. I installed 6 mini splits all the same way. Hope this helps solve your problem. Hope you have a wonderful and blessed week
@@diy-solar-guy yes, I noticed the lines on the inside of garage and that that was very smart. However, don’t want them in the kitchen, living room or master bedroom. I was planning on buying 6 455 or 460 watt panels and components to make one of them run then add to the other two units the same so as to not take out of pocket all the money up front. Hope this makes sense. Thank you Nick
@@graciemiller9596 yes, it makes sense. Hope you can figure out which unit will work for you.