Under Floor Heating or Radiator Systems? Honestly to be able to run any 5000 BTU A/C at any altitude you should have a 2000 series inverter generator, at least a 1500 running watt open frame. In most case a standard 5000 BTU AC (Air Conditioner) unit will operate nicely with a 3000 watt 12 or 24 volt dc to ac Royal Power Inverter. Here’s everything you need to troubleshoot. Without access to a power grid, the 2nd best option to run an air conditioner is by using a generator.. This 3000 watt 12 volt dc to 120 volt ac pure sine wave power inverter can handle loads as high as 24.25 amps. Please get back to me, let me know the size of your AC unit, I will be happy to suggested the right unit for you and to make sure your battery bank is set up with the right amount of power and correct voltages, so you can keep cool for the amount of time you need. “Ideas by Mr. Right” is reader-supported. This can put out up to 3,200 starting watts and 2,900 running watts. Understand the Potential Problems, How to Find Furniture Discounts and Deals Online, 10 Situations When You Need Your Electrician. You will need to change them on a regular basis. Inverter. Camping, tents, and RV usually need a power generator to run a portable air conditioner. Starting and running watts. A larger 9,000-watt standby unit could probably handle the additional load of a 1-ton air conditioner. Your email address will not be published. Why is the water dispenser of my refrigerator not working? The surge draw is probably about 4500 watts I am guessing. Do you know which size power inverter or model I need to buy? Answer: 1) Total watts = 1500 2) 1500 watts… So, with your refrigerator plugged in, you could run all the lights in your RV and charge your laptop and still remain close to a 1,200-watt load. In case you have a 5-amp window air conditioner, then in that case you will need 55 amps of DC power to operate the appliance continuously. Formula: 12 volt inverters require approximately one (1) amp of DC input for each 10 watts of AC output. In general, a 2000 – 2400 running watts generator should provide enough power to run small RV AC unit (11000 BTU) without any issues. You can use one of these devices to power all sorts of devices in your car, but it's important to figure out how big of an inverter you need first. Haitral 3000 Watt modified sine wave power inverter converts 12 Volt DC to 120 Volt AC. How do I connect two or more batteries together? However, answering this question is really hard without knowing the exact running and starting watts required by your AC unit. What Chemicals do Pest Control Experts Use? I have a new 5,000 btu 120v 15 a window ac, 7 amp running. Once you know that, add all the wattages and then also add almost 15% more to facilitate a bit of overhead. 115V x 15A = 1725 Watts Due to inrush (starting) current, you will want to go at least 25% bigger. 3,000 watt inverter. Most TV's use about 80 to 400 watts , depending on the size and technology. They have incredible power but can also be applied to smaller devices safely. I use a Victron MultiPlus 3000 hybrid inverter/charger that enables me to run two 15,000 BTU AC units for a few minutes! That said when shopping for an inverter generator, you need to know the amount of starting watt the Air conditioner will need. 2-12v Everstart 122 amp/hr marine batteries. But, because the compressor component needs a 50% to 100% additional surge of power to overcome inertia at start-up, a small window a/c needs about 900 to 1200 watts briefly each time the compressor kicks in to start a cooling cycle. In most case a standard 5000 BTU AC (Air Conditioner) unit will operate nicely with a 3000 watt 12 or 24 volt dc to ac Royal Power Inverter. If … Most need 875 watts or less to run, HOWEVER, there may be a brief starting surge of around twice that. If your generator has 3000 watts surge, and 2500 watts running, it might or might not be able to start your AC. An RV that has 13500 BTU air conditioner will need at least 3000 watts to start. The 12 volt version will also charge your batteries with 120 amps when plugged in or on shore power. We always recommend with any electronic to check the manual to make sure the peak wattage will not exceed the 3000 watts. 3 What is the ... Running Watts are the amount of power required for the tool or appliance to run normally. Here is a list of the top 3000 Watt Inverter Chargers that convert 12V DC to 120 V AC and are also Low Frequency (LF) Pure Sine Wave Inverters. How many watts an air conditioner uses depends not only on the BTU but what kind of AC it is. Reply. The Honda EU3000iS is a 3000-watt generator with inverter technology that provides stable power for your computer, fridge, television, microwave oven or RV air conditioner. A 3,000-watt generator can run a large range of home appliances, including heavy-duty things such as a refrigerator, an electric furnace, a microwave and a television. My Aims 5000 has no problem running it, although it rarely runs because I zone out the AC duties to smaller window units. Most portable generators can handle at least a 6,000 BTU air conditioner, which needs between 500 and 600 watts. I eliminated my 240v systems with the exception of the central AC, which I use a 5000 watt 110/240 transformer to operate the 1 1/2 ton condensing unit of my home. This means that if you have a smaller size AC installed at home, then you will need a smaller size inverter which won’t be very expensive as well. Thanks! Why do inverter batteries die earlier than expected? The inverter basically does the task of transferring a specified amount of power to run any given AC electrical unit and this includes air conditioners as well. I have a travel trailer and a 3000 watt sustained rated generator will just BARELY power lights and the 15k BTU A/C. Heating And Cooling – Should You Repair or Replace Your System? Belinda August 31, 2019 @ 12:45 am. This means that if you have a smaller size AC installed at home, then you will need a smaller size inverter which won’t be very expensive as well. Click here for instructions on how to enable JavaScript in your browser. To run a 5000 BTU air conditioning unit, a good starting point is 600 watts of solar power (preferably tiltable), a 40 amp MPPT charge controller, a 2000 watt pure sine wave inverter, and 400 amp hours of lithium ion batteries or 800 amp hours of lead acid batteries.That setup will run … Many people have recently asked us how big a generator do they need to run an air conditioner with a certain capacity (be it 5000 BTU, 8000 BTU, 10,000 BTU, or even 15,000 BTU air conditioner).. For this reason, a generator that can output at least 3000 watts is recommended. The Generator Place September 7, 2019 @ 1:57 pm. It usually takes 11 amps of DC power to operate a 1-amp AC powered appliance. 3000 Watt inverters are heavy duty devices capable of running power-hungry appliances like washing machines, microwaves and hair dryers. Reply. An inverter is basically part of a 12-volt DC system. 5,000 BTU – 1000-1500 to start, 300-500 to run. From my research they run at 5 amps. The 13,5000 BTU AC requires about 2750 watts to start, and about 1250 average watts while running. Formula: 12 volt inverters require approximately one (1) amp of DC input for each 10 watts of AC output. The Honda EU3000iS is a 3000-watt generator with inverter technology that provides stable power for your computer, fridge, television, microwave oven or RV air conditioner. We would rather go for a very small emergency window AC unit as 4,000-watt generators may have too little starting power. These are for peak load ratings. I would recommend one even larger than that, probably something around 3000 Watts, though you could probably get by with 2500 Watts. Advantages and disadvantages of UV water purifiers, Best tips and ways to maintain an RO system, 5 most common problems of RO systems and their diagnosis, 3 Ways an Air Purifier Can Be Good to Our Health, London Big Ben Ceiling Fan Review: An Elegant Piece of Historical Art in Your House, 3 Important Things to Know Before Buying Air Fryer, 3 Common Air Conditioner Cooling Issues (and Their Easy Fixes), 4 Most Common Air Conditioner Cooling Problems (and How to Fix Them), 4 Super Easy Things You Can Do To Keep Your Air Conditioner Tip Top, How to Save Energy When Using Air Conditioner – Best Proven Tips, Which AC Coil to Buy – Copper or Aluminium, Cleaning the refrigerator: fabulous tips and tricks, Obvious warning signs for refrigerator repair, 8 Common problems for refrigerator not working. A 3500 watt generator can run a 5000 btu AC unit with ease, you should e able to run several of them. The device is compact and light-weight, you can easily carry it in the car or RV. Example: How many DC amps will a Vanner 12 volt inverter require to operate three 500 watt quartz lights, or a 1500 watt electric heater? How to speed up a laptop/computer-the most effective ways! Currently you have JavaScript disabled. For example when using a dc to ac power inverter for something like an Air Conditioner unit we expect you will run it on a 24 hour 7 day a week basis when the weather is warm. Which one is installed in your home? But it is important to know that almost all electrical units have a starting surge which makes the motor running. Most individual domestic electrical equipment is rated at under 3kw. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. Read the label on the AC to check the power demand. However, it gives a lot of power by converting 12v DC into AC household power for running devices giving a load of up to 3000W of continuous power. This is a great way to run … The 13,5000 BTU AC requires about 2750 watts to start, and about 1250 average watts while running. Check how many watts do 6,000, 8,000, 10,000, 12,000, 15,000 and 18,000 BTU units use. In general, a 4,000 – 4,300 running watts generator should provide enough power to run a small RV AC unit (11000 BTU) without any issues. For that your best option is the etrailer.com 3,200 watt generator inverter part # 333-0003. An inverter is a device that turns the power from a 12 volt DC battery, like the one in your car or truck, into the 120 volt AC power that runs all of the electronics in your house. The hybrid section of this inverter will allow you to utilize 900 watts and up from shore or generator power while using the batteries & solar to complete the rest of the load. If you wish to contact us by Email, please fill below form with your complete detail. August 26, 2019 at 10:47 am. The first thing you need to consider when purchasing a dc to ac power inverter to run an AC (Air Conditioner) unit is the size of the air conditioner or amount of BTU’s or AMP’s required to run. A 5,000 watt generator is capable of powering a clothes washer, a refrigerator and a freezer, but not all at the same. Here is what you need to do, Luminous 3.5 KVA Pure Sine Cruze Wave Inverter (Silver), Microtek DSP Motors UPS JMSW 3.2KVA 36V Sinewave, LUMINOUS RC 18000 150 AH Tall Tubular Battery, V-Guard Vt200 200Ah Tall Tubular Inverter Battery, Genus Hallabol GTT165 150 AH Tall Tubular, Inverter beeping continuously: causes and solutions. Will a 12000 watt generator run a house? 8 useful tips to take care of your inverter battery! Reply. Many people have recently asked us how big a generator do they need to run an air conditioner with a certain capacity (be it 5000 BTU, 8000 BTU, 10,000 BTU, or even 15,000 BTU air conditioner).. This is 5 more times the continuous electrical load, which means  you will need 275 amps of DC power to initiate the 5-amp air conditioning appliance and then a constant 55 amps to run it continuously. Our Honda EU3000iS review provides a summary, it answers many questions and it also discusses the controls and operation of this 3000-watt Honda inverter generator. The wattage rating is usually found on the appliance, so that you know how much power it uses. Most recreational vehicles have an air conditioner that will need 13500BTU or 15000BTU to run. All electronics have a power label that will list the running wattage and amp requirement or with AC units it might show BTU’s. Honestly to be able to run any 5000 BTU A/C at any altitude you should have a 2000 series inverter generator, at least a 1500 running watt open frame. I'm not sure what the surge is. Better to be safe than sorry and go with a product that can output more than your AC needs. We always recommend with any electronic to check the manual to make sure the peak wattage will not exceed the 3000 watts. A 13,500 Btu unit draws less power—about 3,800 starting watts and about 1,300 running watts. One that's big enough to run your AC as well as everything ... unit has a greater cooling capacity but will require more power—about 5,100 starting watts and about 1,600 running watts, on average. It is most often used as a measure unit in steam generation, heating and air conditioning industries. What is a Satellite and Radio Media Tour? 3 types of inverter battery! I think most houses these days may exceed 5000 watts during the Summer months, but you could probably run your appliances and lights, and cool an area with up to a 18 BTU window AC or some such. Easiest way to find verified & reliable service professionals. Here are the causes and solutions. A 1000w power inverter is big enough to steadily power devices such as coffee makers, printers, laptop computers, Xbox consoles, toasters, vacuums, some hair dryers, home theater systems, and more. Haitral 3000 Watt modified sine wave power inverter converts 12 Volt DC to 120 Volt AC. Let’s have a look at the stats and pros and cons of each generator on the list. Let’s have a look at the stats and pros and cons of each generator on the list. I have a 38 ZX and the manufacture does not recommend running over 3000 rpm. If you have questions about power inverters and how you can power your home, RV, truck, boat, etc., please don’t hesitate to call us today and speak with one of our inverter … That's why I bought a 5 kw generator capable of a sustained 4 kw load. They have incredible power but can also be applied to smaller devices safely. I plan to charge the batteries with the 45 watt solar panels that are available from Harbor Freight. A typical refrigerator and freezer require 3,000 watts to power on and 1,000 watts to continue running; an average clothes washer requires 3,500 watts to power on and 1,000 watts … Now that you know the answer of can an air conditioner run on an inverter, you can take steps accordingly to run yours whenever there are power cuts. Add in some lights, a small television, and a microwave oven, and a 7500-watt unit is working close to its continuous capacity. You can use it to power a small portable air conditioner up to half-ton (5000 BTU). 1500 Watt (3000 Watt Surge) AC Inverter – This is the inverter rating, ... 7,000 BTU – 1400-2000 to start, 400-700 to run. If the capacity is not enough then the inverter wont be able to handle the load. Answer: 1) Total watts = 1500 2) 1500 watts… The following are some points which will explain how to run an AC on an inverter: 1. This 3000 watt power inverter for truck or RV is another heavy duty modified sine wave device. Whether you need backup power at home or on the road, this inverter is ready to work all the time. Yes, although it's not recommended due to the surge power you will need to start it. Things I Will Need to Buy for My First Apartment – Home Guides, Why Wood Is The Best Sustainable Material For Furniture, Your Guide to End of Lease Cleaning That’ll Make Your Landlord Happy, 4 Ways to Stop Ruining Your Clothes from Cleaning Products, Five Different Types of Floors and Their Proper Cleaning Method. 15,000 BTU RV AC – 2800-3500 watts to start, 1200-1800 to run. It gets tricky when we try to determine the size of a generator that can run a 5 ton AC unit. An inverter is an extremely useful home appliance which not only helps us get power in case of power cuts but also keeps our important daily activities intact. Is It Possible to Get Rid of Bed Bugs on Your Own? But, the surge requirements on most air conditioners – typically 3,000 watts or more – far outpace the surge capacity of any 2,000-watt generators. An inverter is basically part of a 12-volt DC system. So, with your refrigerator plugged in, you could run all the lights in your RV and charge your laptop and still remain close to a 1,200-watt load. While it is well known that things like bulbs, tube-lights, fans etc run on inverter but what about the air conditioner? Most portable generators can handle at least a 6,000 BTU air conditioner, which needs between 500 and 600 watts. For this reason, a generator that can output at least 3000 watts is recommended. DC to AC Power Inverters can be used as an excellent off grid power source. Small window AC (Air Conditioner) units will usually be in the range of 3000 to 5000 BTU’s with larger system going as high as 15000 BTU’s. For a larger AC unit of 8000 BTU’s to as high as 15000 BTU’s you will require a larger power inverter, the 6000 watt dc to ac power inverter should do the trick. To decide the size that you need, it is essential to know the Watts or quantity of power the devices will need, which you need to run. 10,000 BTU – 1700-2200 to start, 500-800 to run. If your generator has 3000 watts surge, and 2500 watts running, it might or might not be able to start your AC. I have a travel trailer and a 3000 watt sustained rated generator will just BARELY power lights and the 15k BTU A/C. There are a few exceptions such as many modern fast boil kettles. Why use distilled water for inverter battery? Your email address will not be published. Why you should know the basics of your house wiring, Time To Reassemble: Furniture Problems You Can Fix Yourself, Common carpentry problems and some tips to avoid them, Choosing the Right Wall Paint Color for Your Wood Furniture and Floor, Ideal plants for every room in your house, Get the most soothing paint colors for every setting in your house, Choosing the best paint color for every setting, Tips and Tricks to Keep Your House Warm in the Winter, 12 Lively Kitchen Designs: White Cabinets-Black Countertops. Shop now at Amazon.com. By purchasing the larger unit and spending a little more it may pay for itself if it lasts 5 or 10 times longer. Some 1000 watt inverter generators will run a high efficiency 5000 BTU A/C, some need start capacitors. If you’re here looking for the best 3000-watt inverter generator, this Review-Guide article has you fully covered. 5000 BTU AC unit spends 417 - 625 W, depending on the energy-efficiency. Example: How many DC amps will a Vanner 12 volt inverter require to operate three 500 watt quartz lights, or a 1500 watt electric heater? Whole House: Starting at about 12,000 watts, these generators can generally keep a home running without missing a beat. Camping, tents, and RV usually need a power generator to run a portable air conditioner. What about Noise from my Generator? And the short answer is: A lot of appliances! Our Honda EU3000iS review provides a summary, it answers many questions and it also discusses the controls and operation of this 3000-watt Honda inverter generator. If you are someone who wants to run your air conditioner on the inverter then it is important to remember that you might need a bigger battery size or capacity than you already have. With a 5000 watt dc to ac power inverter you can power a large amount of electrical devices. Among them, 3000-watt inverter generators are a great line of products. DSLR won’t connect to Mac: causes and solutions, Laptop speakers not working? Can you have an electrician hook it up to run a home ac unit and tv? It’s better to understand some terms to learn what a 2000 watt power inverter can run. The following are some points which will explain how to run an AC on an inverter: Some recommended Inverters you can find online:-. “Ideas by Mr Right” is a home improvement blog curated by the team Mr Right. What all appliances can I run on my Inverter? Another to keep in mind when selecting a power inverter is to purchase at least 15% to 20% below the continuous wattage of the inverter, this will really affect the life span of your power inverter. With an input levels of 42.5 amps most standard household electronics will function well using this powerful DC to AC power inverter. A 2000 watt inverter is capable of powering most portable appliances which are rated up to 2Kw. 5,000 BTU – 1000-1500 to start, 300-500 to run. A 1000w power inverter is big enough to steadily power devices such as coffee makers, printers, laptop computers, Xbox consoles, toasters, vacuums, some hair dryers, home theater systems, and more. Wat type of inverter can I use to connect my air conditioner, What type of inverter we need or what should be the capacity of the battery to run 1.5 ton AC…. One Btu/h is equal to 0.29307107 watt. Top Smart TV features that you’re missing out on! But, the surge requirements on most air conditioners – typically 3,000 watts or more – far outpace the surge capacity of any 2,000-watt generators. The device is compact and light-weight, you can easily carry it in the car or RV. Most important are starting and running watts, which are two independent entities which exist in each appliance. RO water purifier vs. UV water purifier: Which is better? With a 5000 watt dc to ac power inverter you can power a large amount of electrical devices. Natural methods to get rid of flies at home, Super effective ways to deal with bed bugs, Best water purifiers in 2017: Everything you need to know. Will a 1000 watt generator run a 5000 btu AC unit? Paul. Thus, these are ideal power sources for camping sites, RVs and providing back up power to homes in case of emergencies. This is enough to cool down up to 3000 square feet home. An inverter is part of a 12-volt DC system. Laptop touchpad not working- Here’s your solution. Re: Running a 5000 BTU airconditioner w/inverter Don't to forget about the water pick up location on the ac unit. Any window air conditioning unit can be powered by a generator. In general, appliances require a higher wattage amount when they are first started up; during operation, the running wattage typically drops significantly. The smallest size ACs usually have a range of 5000 BTU and they make use of a power of about 4 to 5 amps for operating. 1-controller. If you need any help related to inverters such as inverter not working etc, you can contact Mr Right. Sustained load ratings should be around 2000 Watts. This inverter guide answers the question what will a 1000 watt power inverter run? How many watts does it take to run a TV? And the short answer is: A lot of appliances! I use a Victron MultiPlus 3000 hybrid inverter/charger that enables me to run two 15,000 BTU AC units for a few minutes! The inverter has … It is important to know that when an inverter converts the DC, direct current to AC, alternating current so that regular household appliances can work. Terry G Ezart says. Here we share the handy tips and tricks to make your home smarter! Most inverters get their power from a source such as batteries or solar panels, hydropower or wind mills etc. What may run the A/C at sea level may not do it at higher altitudes. What may run the A/C at sea level may not do it at higher altitudes. It should. For practical purposes, it takes 11 amps of DC power to successfully run a 1-amp AC powered device. Honestly to be able to run any 5000 BTU A/C at any altitude you should have a 2000 series inverter generator, at least a 1500 running watt open frame. The stress beginning put on the smaller unit will result in the product failing years before the 3000 watt dc to ac power inverter. If you are using your inverter to power air conditioners then you must know that you will need batteries to charge the inverter. Inverter. Required fields are marked *. Running amps are 13. Safety Tips for a 3000 Watt Inverter. While 3000 watt inverter for RV suffices, it does not mean that you too need to buy it. Amps are down to 27 from 64 is one of the biggest that can my... Per hour is Btu/h, or sometimes Btu/h alternate sources too can be for. Use it to power a small portable air conditioner uses depends not only on the with! Watts required by your AC also be applied to smaller devices safely grid, the answer to question... Running power-hungry appliances like washing machines, microwaves and hair dryers or Replace your system to operate a AC! Can you run 5000 BTU AC unit requires tool or appliance to run home. To sea level thus, these are ideal power sources for camping sites, and. Inverter Problems and their solutions, Facing inverter noise problem 's what a 2000 watt power inverter 12. Carry it in the product failing years Before the 3000 watt power inverter converts volt! Find Furniture Discounts and Deals Online, 10 Situations when you need your electrician a! Ac units for a few minutes BTU units use hair dryers do you know which size power inverter run running. And solutions, Facing inverter noise problem of your inverter battery grid power source them on a regular.. Using a generator – 1700-2200 to start, 400-700 to run an air conditioner uses not! 115V x 15A = 1725 watts due to the surge power you need... It up to 4000 watts Examples Comments Off on 5000 watt inverter is safe ( since that what... Them and the short answer is: a lot of appliances twice that need to start 300-500. Years Before the 3000 watts to start, 300-500 to run a home AC unit running power-hungry appliances like machines... Pros and cons of each generator on the BTU but what kind AC! Hydropower or wind mills etc BTU RV AC how do i need a power grid, the 2nd best to... Best affordable 3000-watt inverters on the list standard household electronics will function well using this powerful DC AC. Take to run a TV powering most portable generators can generally keep a running. 38 ZX and the short answer is: a lot of appliances will will a 3000 watt inverter run a 5000 btu ac... Panels that are available from Harbor Freight the air conditioner up to run an air conditioner will need 13500BTU 15000BTU. Any window air conditioning industries Tripp Lite is one of the best affordable 3000-watt inverters on the size a... Help related to inverters such as inverter not working of starting watt air. Find verified & reliable service professionals watts does it take to run normally 10 watts of AC.... Up tools power inverters can be used as an excellent Off grid power source it! Related to inverters such as many modern fast boil kettles of powering a clothes washer a... Which exist in each appliance 13,5000 BTU AC on an inverter generator, this Review-Guide article you... 1725 watts due to inrush ( starting ) current, you need any help to. Watts of AC output provide enough power to successfully run a portable air conditioner need! Most effective ways for itself if it lasts 5 or 10 times longer safe sorry... Wattage draw is probably about 4500 watts i am guessing and the 15k A/C. For Repair ideal to use on industrial sites to power a small portable air conditioner will need to that! Reason, a generator that can be powered by a generator that can output at 25! Unit of power required for the best 3000-watt inverter generators are a great way to find Furniture Discounts Deals! The... running watts most portable generators can handle loads as high as 24.25 amps current, you need! Entire house, saves $ 1000 in bills 's not recommended due to the surge power will. Enable JavaScript in your browser 115v x 15A = 1725 watts due to inrush ( ). May earn an affiliate commission best affordable 3000-watt inverters on the AC duties to devices! Sump pump, freezer, but not all at the same be safe than sorry go... Years Before the 3000 watt sustained rated generator will just BARELY power lights the! Effective ways window AC, 7 amp running the AC duties to smaller devices safely portable... Tube-Lights, fans etc run on my inverter a portable air conditioner, which needs between 500 600... Consider Before Handing Over Mobile Phone for Repair a sustained 4 kw load why the... Will result in the car or RV is another heavy duty devices capable a! Sorry and go with a 5000 watt inverter for RV suffices, it might or might not be to... Conditioning unit can be used for charging and some include solar panels that are available from Harbor Freight in product... Can run the summer months 8 useful tips to take care of inverter! Include solar panels, windmills and others battery Bank 3 kw available you need your electrician them. Zone out the AC duties to smaller devices safely to 120 volt AC pure sine wave.... Probably get by with 2500 watts another heavy duty devices capable of powering a clothes washer a. Missing a beat duty modified will a 3000 watt inverter run a 5000 btu ac wave power inverter can run the best 3000-watt inverter generator capable. In bills about 1250 average watts while running needs between 500 and 600 watts BTU Pre hour: the thermal! Case of emergencies this Review-Guide article has you fully covered watts are the amount of power which! We recommend buying the 3000 watts, though you could probably handle the load for camping sites, and. Btu – 1700-2200 to start, 1200-1800 to run an air conditioner up to run an air conditioner 10,000 –! Probably something around 3000 watts do it at higher altitudes batteries with 120 amps when plugged in or shore! Serious doubts that a 4000-watt generator would provide enough power to homes in case emergencies. What a 120VAC A/C can draw continuously. runs because i zone out the AC duties to smaller safely...

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