Well done. Respect! I am also powering from solar a 12000 BTU AC in automatic, for two hours before coming home if it's hot that day. AGM batteries, 24 Volts, 5 KWatt inverter and 1 KWatt panels tracking the sun. Glad that you are happy with your setup. I'm trying to change to li-io. Hope to find the cells, more affordable than here, in Europe.

I am a Photovoltaic Technician and you just proved what I've been telling people the How, without installing a whole solar panel system. some places do not allow you to go solar off Grid-Tied. my hat off to you. I lIke, OLE!

Thanks for putting on the meter!

Cool setup. Would be cool to see you do a DIY geothermal cooling system using pipes run underground, and just a fan to move the air through it and into the house!

I did this same project with a 4000w 12v Harbor Freight inverter and two 12v 100ah sealed lead acid batteries. Worked great.

Well done David. What an inspiration for America just think if we all had The motivation Like you.. I have a 3000 W inverter just for my Microwave

I have a 750 and 1000 watt pure sine wave inverter and both start and run a 5 kBTU/hr air conditioner. The limit isn't necessarily the inverter but the storage and production.

Great video I'm using a 3000w inverter with 5k btu ac in my trailer. The surge was a problem with my 1500w but the 3k seems to work so far. After a bit sometimes I have problems thanks for telling me about amp draw limits on batteries

Hi, I really appreciate your video posted. I was wondering if it is possible to have the inverter connected to a fuse box that would serve as a mini electric panel and then have that connect to the AC unit instead of having a battery?

I was looking for information and asking every big named solar guy on utube if i could run a 5,000 btu ac in a cargo conversion in late summer of 2019. ALL and i mean ALL of them said no, i think i pissed most of them off lol. I wish i would have found this video back then, you were ahead of everyone!!!!

Thanks for the video. Question. Where would you connect a charger for batteries if you had no solar panels? I will run a VAWT to charge them so would I need a charge controller? Tell me about those charge controllers and where is the connection

wish it was longer .....Two thumbs up from me!!

I have a similar thing in my camper... it works much quicker though in an 18 foot trailer. XD (Probably not that much better though as the insulation is well... non-existent.) Pro-Tip: Cover that air conditioner in the winter months with some sort of insulation cover. It'll prevent your heat from leaking out! Those Mini-splits might be complicated and a bit more trouble but... man... they can really cool and they DEFINITELY are efficient. (Friend of mine's parents cool their 800 square foot space with one, and it's at 75 F or lower all summer long, on a draw of about what that Window unit does.)

Have consider the reaction of the inverter with more than one A/C. Or a bigger A/C?

Great info

Great video, my husband is from Springfield Massachusetts, I cant wait to go visit, So now, When I see all those wires out on the side I'm like woooo, I was wondering do you still keep the solar panels Attached to the inverter 🤔 so you can keep the batteries charged? I'm new to this, so I'm trying to learn as much as I can, I would have loved to have seen how you put all that together.. Look forward to watching more of your content

looking good! that inverter will run 2 window ac units, not much more though.

Do you have a video about the type of batteries you use, their technology, their cost and where you got them?

How long does it cool the garage? How long does it take to recharge?

nice job man!

Thanks for the video. What temperature do you like for your garage? Do you think the two LG panels could maintain the temperature once you cool the thermal mass (slab, etc.), for the rest of the summer? I'm also curious about your garage thermal mass design features. You must have an extremely comfortable garage year round. Thanks again!

It's unusual to power conventional A/C from renewable energy because such units are not designed for efficiency at all. But, it needed to be done I suppose. You can improve on this (a lot) by building a smaller heat pump and burying some PEX in your yard to use as the thermal sink/source. 57F ground temp is a lot closer to "room temp" than 90F in the summer or -10F in the winter, so the reduction in energy required to make up the lower difference represents a significant energy return. Thanks for filming this.

Good video, been catching up on some of your older ones, I'm a new sub. I've been running an energy star 6000btu ac for over 5 years with a 1500 watt gopower pure sine wave inverter. It uses roughly 450 watts, no issues at all. Run a few fans at the same time to help move around the air. During the winter months, I run an oil filled heater. Those are nice because they heat up and turn off. So even on cloudy days when I can only pull 50% of the watts the heater uses, I can still run it because of the way it cycles on and off.

Hey David, Thanks for the interesting video. I missed how many amp hours the batteries are and exactly how many hours it ran the A/C.

Kinda late to the power inverter game very awesome setup,quick rookie questions, just bought a 3000w pure sine giandel inverter to run a 8000 btu 900 watt portable air conditioner,should i cut cord and wire directly to ac block?And how do you wire earth wire?to negative cable?if somebody could help me out i'd appreciate it,thanks in advance

Hey David, First time watching your channel. I followed the link for your inverter and was pleased to see it was pure sine, but then a quick glance at the reviews showed only two 1-star reviews. Have you had any issues with that inverter as there's a comment about a 1200BTU AC killing it. What's the max continuous load you've been able to put on it? Thanks. =D

How long does it last on and if it reaches 500 watts and the inverter is 3000 watts, is it doubling 2500 watts to use in other devices?

Please comment on the grounding of the inverter to earth ground

that is a nice small ac air conditioner

Thank you for your review.. but your condition 1500 btu or 5000 I'm confused.. I have 2400 btu and it drow 1800 watt

Very informative. Did you disconnect those battery because you can not used them while you have load on your battery?

I had a 1000 watts an a small solar control it wasn't charing the way it should can u tell me how big the control need to be for a 3000 inverter

Can that model of inverter start up a more powerful AC unit? Maybe one with a 1200W power draw

Actually you can run the inverter off of of a 12 volt solar panel by using what is called a step up converter it takes 12 v and steps it up to 24 volt or you can get one from 12 volt to 48 volt,....but it needs to be heavy duty

What is the make of the minisplit? I have a Mitsubishi that I installed myself (have installed 3 others since), it's been running like a champ as both an AC and heat pump, draws less than a coffee maker and in my case also runs off solar. They key is to get a top quality unit and install it right, that means pressure test, triple evac, and deep vacuum to 300 microns. If the hacks up in MA are anything like where I am in CT I can imagine that poor split unit is anything but happy. Where is exactly in Mass are you? I'm about an hour away from Pittsfield

Good

may i ask what kind of battery that you can use and how many volts/ah?

We are praying for 90's here in Texas.

You sized that A/C unit just right for that inverter IMO. I own a 3500W Reliable inverter with 24VDC supply. It is weak on surge power. It had trouble starting a 48 pint dehumidifier that my 25 year old Power Star 1300 watt modified square wave 12VDC inverter could actually start and run! Plus, the old Power Star weighs only 8 LBS and about 1/4 the size of the Reliable unit! I bought the Reliable unit for it's sine wave output more than anything. Modified square wave is terrible for just about everything but a saw or drill. BTW all manufacturers of so called "modified square wave" call them "modified SINE wave". Full deception. Not even close to a sine wave!

watch out with "modified sine wave" inverters vs true sine inverters. Some compressors use capacative start motors.

David... excellent idea and short video. Is the inverter you are using a true-sinewave inverter or is it the "modified" sinewave type inverter ? Also, are you on Facebook by chance ?

Hi , if I have 6KW inverter off grid can I running 2BTU air conditioner?

Thanks for the good info! Is there a good air conditioner that can run on DC so I don't need an inverter? Thanks

I have the same Inverter and it will not run my 6000 btu A/C. The problem is it cant handle the startup surge not sure why and i put the MOSFIT upgrade in but still no can do. My Harbor Freight 2000 Watt has no problem oh well.

great video David aw just curious did you get the Mini split fixed(gas leak) i think if so was wondering if you can monitor electrical consumption on your Fujitsu unit...by the way your det up is awsome...:)

Say I see all these people using these inverters and have had real problems. But maybe yours is a good one? Thanks for sharing 😃

First view? Woohoo! Can’t wait to see these results

Any recommendations on a budget friendly true sine wave inverter. I am planning on going 24v and would like a small window unit like that. Thanks

You should not knock mini splits in my opinion as some of the newer ones use inverter technology to reduce any hard start amp draw. those type (with inverters) are used extensively in heat pumps versions also, they are "very" efficient. Just check it out, much has changed in the efficiency realm in just the last year or two. Seems the ones from Asia are "way ahead" on mini split ac/heat pump efficiency. Then a comment about your present window/wall unit. You say you've never had any maintenance done other than the indoor air filter. I am a retired HVAC tech and my advise is this, what you need to know is that nearly all AC units that you showed in your video have a fan blade in the rear that dispels the heat drawn out of your space, usually one motor that drives both the squirrel cage blower used on the indoor side and a fan blade on the outside. The fan blade on the outside has an outer ring attached to the blades which is used to sling the water collected from the indoor evaporator side into the condenser, this increases heat dissipation of the condenser but also because the condenser is now wet it accumulates dirt and eventually will plug air flow through the condenser. You never see this because the fan pushes the air out the back side so the inside "wet and dirty side" are never observed , because of the cover and shrouding around the fan. To check this condition most window ac's are mounted in a shell. To remove the ac unit just pull the front cover off and determine if it is indeed mounted in a shell, refer to the owners manual. If so, first disconnect it form the power source, then remove any possible fasteners and just slide the innards out. Some times it is a very easy process, sometimes not. when it is out you can check the inside of the condenser for dirt build up, if present the easiest way to fix is to remove as much shrouding as possible (might skip this part first and only do when dirt is really caked) then cover electronics and motor with plastic to keep them from getting wet, then use a garden hose with nozzle and spray the water from the outside to the inside "always at a straight angle to the condenser fins as they are aluminum and bend very easily with angled water spray". you might have to spray form the top down on the inside for really tough dirt and/or use a light brush being "very careful" not to bend the fins. I saw on your unit that you have some bent fins on the outside. Bent fins mean no air flow in that location to dissipate the heat the condenser is to take out thus reducing efficiency and that means higher energy costs - so buy a fin straightening tool and carefully straighten them out. The fins on all ac's are different (spacing wise) so get a multi-purpose fin straightener, being very careful as condenser is all aluminum (soft) and refrigerant is at high pressure so nothing sharp to cause any problems and just be safe. Cleaning the condenser will restore it to its like new cooling capacity. Drain water and dirt form the pan when you are done, remove any plastic you attached and when it is dry enough, reinstall into the shell. Side note, compressed air will work to some degree but is generally not as good as the water hose method.

What kind of regulator can i use for a 48v power inverter the same one you have on this video?

If you can handle the surge, a bigger a.c. won't cycle as often, therefore using less power?

I have already borrowed several ideas. My "Proof of concept" system is set up on my outdoor kitchen roof. It has 4 panels in one string shows 93 to 131 volts and 6.5 to 7.8 watts off the roof. That is all teh roof space I have. When I go to my property my plan was for 12 panels in three strings so 130 volts at 21 to 24 amps. Bought a snre 48 volt 60 amp charge controller max 150 volts. and a off brand Chinese inverter. It works but not well. I still don't have the charge controller set up correctly but I did get a charge on the batteries. 4 panels took 11 full sun hours to go from 42 volts to 48 volts so my calcs are pretty close for three strings.The real weakness is the poor quality inverter. it will run most things but with a led light on and a buck saw when you cut a board the inverter trips. I am sure I better quality charge controller with good instructions will solve half and a decent inverter the other. I will let you know. looking at the same charge contoller you have. How hard was it to set up?

How did you come across your Chevy Cruz batteries? Did you buy them new? I take it you didn’t wanna try 18650 batteries? Enjoyed your video I want to try this but do not know what I’m doing ty

Nice... how many solar panels you are using to how many batteries you have now installed... i am from Philippines i want to use solar for may house

Have you done anything with the reliable inverters 60v neutral 60v hot outputs? Or are you just using it as is? I ran mine to a breaker but even with breaker off you still have 60v neutral. It works but I have to keep a eye on everything.

Hey Dave. Thanks for sharing your setup. Let me preface with sorry for the laundry list of questions below. If you or anyone else in this comment section is experienced with this stuff. Please reply.... whatever info you can offer is super appreciated. You never told us what your solar panels are rated at. Voltage and amperage (in full sun). And what voltages / amp outputs do you see from them on days which are overcast? Curious how much loss you experience from your panels on less than sunny days. I was able to see your inverter is rated for 3000 watts? Is that continuous or peak? Your Chevy Volt batteries.... can you share how you acquired those.? . well suited for constant use I'd imagine. What voltage do you have them wired up as and what is the max continuous amp output you can run them at without causing damage. Can you run a full day or 2 without any sun hitting your solar panels? I'm wanting to get a feel of what I need to support a 1400 watt AC unit and a 800 wat mini fridge, plus another 1500 watta of auxiliary AC devices. I'm figuring on a 5000/6000 watt inverter. And will probably use lithium 36v 1005 AH batteries. Thanks for whatever info you can provide ! On the inverter. Prices are ALL OVER the place. The $50 3000watt inverters on Wish I know arent gonna be real ratings / prices. What should a 5000/6000 watt inverter cost me and do I have to use Pure Sine wave to avert he AC unit comoressor/fan getting burnt out?

Will that inverter run on 12 volts or 24 volts?

What is the amp draw?

I did not hear you mention if the inverter was a modified or pure sine wave.

Did you buy your Chevy Volt batteries new or used? Two last questions. Where did you purchase the batteries and how much were they? I have found various car brand names but not any specific names of the batteries.

Do you think that 3000 watt inverter could run an 13500 BTU RV A/C? I think a 4000 watt unit would be required. Your thoughts?

Thinking about converting a cargo trailer to a tiny home and live in Texas where Hot is dominant 8 months out of the year. The trailer will be roughly 230 sq. ft. Do you think those batteries would sustain the a/c through the day and night while solar on top would re-charge?

Hello total newbie, learning on my own an from KZfaq and other sources. I have a small solar set up an need a little help my inverter right now is only 2000 watt surge I'm trying to run an a/c swamp cooler unit about how many watts are u pulling using the refrigerated air unit I'm looking at a power techon inverter 3000 contious 6000 surge will this be more than enough to run my a/c and also about 500 watts elsewhere in my home. Thanks in advance for any help you can provide

great

How many hours before a battery empty?

Sweet

Great stuff. I always wonder about this topic. Between time, labor, batteries, inverters, panels, wires is it worth it. Thank you for your video.

im trick about buy the 5000 watt 24 volt for my bus to rv do you think this are a good buy amazon has it for 450.00 and with a 3 year warn. its be little over 500.00 i this a great 12 volt 24 charger off solar its the EPEVER MPPT Charge Controller 40A 12V / 24V i look for long time seen like this own the best for what im doing just want to know if this inverter was a good own amazon has so many bad rev. on it

Hey tell me how many batteries you need to run the ac , because I try to run on ac and as soon I plug it the fun work well but when the Compressor star it turn off , tell why it happen

I was using two 5ks in my garage and they could not keep up with FL heat. Nice to see your set up is working like a champ!

Hi boss... I did buy the same inverter and I need to know what to do....look... when I connected rigth away start making smoke and only show the 13.5 Volts coming in and not show nothing on the bottom display for 110 volts... this inverter bring like 6 spear fuses but I don't wanna open it cuz it's new and I don't want to loose any warranty.... What you should do, return it or open it to replace fuse or what?? Tnks for ur help.

how you control none of the cells goes below the recommended voltage or above?

Hi David, got an update for this experiment? Any problems encountered since then?

Sir, how many watt panels have you used?

It works fine just need enough batteries and panels

I'm wondering if most of us here know's about the basic of electronics? Pin/Pout. Aircond Pin = 800W Inverter Pout = 500W. Is this will work? Can you lift a 100Kg if you can only lift 50Kg? Can the inverter power-up the aircond? What is the best inverter? Modified Sinewave or Pure Sinewave? When to use Pure Sinewave?

David, did you ever get the mini-split to work for heating in the winter?

How much were the batteries ?

I just installed a power inverter 1500w too 3000w peak and I installed an 1350w 110v portable ac but it still doesn't get enough juice , should I get a higher power Inverter? Plz help thnks

Quick questions, how many solar panels in total watts are you operating to run the 5,000 k btu? I am trying to cacallate what it would take to run a portable 14,000 BTU (110 volt ) , any idea?

This does not work long term on a modified sine wave inverter as the compressor wants to "see" a pure sine wave of power to rotate its armature for starting. This does work but shortens the life of air conditioner, refrigerator, and air compressor. I am only trying to assist to prevent later cost measures.

Cool man! How long will the AC run with this set up? Minutes? Hours?

Good day sir..i have UPS 24volts 1000watts can i use it for my AC 0.5hp? Thank you!

Please can you tell us how much your battery set up cost. thanks.

I'm looking for an air-conditioner that will run straight off the solar panels. The more direct sun (hotter) the better the air-conditioner works (variable speed). When the sun goes down it turns off automatically. Something like a DC variable split phase air-conditioner. The inverter in the video is wasting probably 15% of the power.

Hello David, I have so many questions when you get this try to get hold of me on a privet chat where i can ask you my question Sam

We successfully run our 5000 BTU A/C on a 1500 watt inverter with a very basic setup. See our channel for the quick video demo of it in action.

Any here know if my solar system will work with a 5000 btu AC in a chevrolet express cargo van insulated? 24v 200ah lithium ion phosphate battery ( 4800w of battery juice ), 400w solar panels connected in series/parallel to be a 24v solar , 2000w sine wave inverter, 40amp charger controller. I want it to run for 8 hour, would it cool the van during the summer in Vegas at 110 degree under the sun?

Yes this can be done, the problem is the solar charging of the batteries. It will take days to charge back what you are using from your battery bank, unless you are producing 550 watts or more per /hour from the solar panels ... it would take 11 (100 watt solar panels) or more to charge back what you are using from you battery bank ... that is if you are getting the maximum wattages out of the panels. (so if you have a cloudy day... this may not be possible).

i am running 3.9kw 1.5hp window mount 14.000BTU runs at 1180w ,we have 1.2kw solar feeding it through same brand inverter 4000w -8000w surge runs fine on lipo4 cells 6.78kwh 24v battery bank,,,, runs all day on solar for free ,

so what is that---about 4 amps AC and about 40 amps DC ?

Are you still using this inverter?

My 5000 btu lg window runs at 340 watts. Which is less then the data sticker shows. And it runs off the solar directly with the battery completely full. The battery voltage never drops as long as the solar watts is high enough. 👍👍

How do you manage to charge the batteries?

What model inverter is that?

Nice exposure. What is the size of your Solar panels

HI FRIEND.WORK TO INVERTER?

Can that Inverter handle the surge of a washing machine and a dryer?

What's the inverter amp rating capacity ?

Dude what BMS are you using for the batteries?