HomePower 2000 review: Our Honest Verdict & Pros Cons

I bought a battery backup system because of a sump pump.

Our basement takes on water roughly once every three winters. Two Februaries ago we lost power for nine hours during a melt-and-refreeze, the sump pump quit, and I spent a Saturday with a wet-vac and two box fans wondering why I owned this house. A gas generator would have solved it in about ten minutes. I did not want to store gasoline in an attached garage, and I did not want to be dragging an extension cord across an icy driveway at two in the morning.

Before buying anything I read heavily, including our own Jackery HomePower 3000 review, which covers the larger unit in the same family. If you are at the stage where you are simply trying to answer Is Jackery HomePower 2000 worth buying before committing to 3,000 words about it, that is fair and I respect it.

This HomePower 2000 review,HomePower 2000 review and rating,Is Jackery HomePower 2000 worth buying,HomePower 2000 review pros cons,HomePower 2000 review honest opinion,Jackery HomePower 2000 review verdict is a post-purchase write-up based on four weeks of actual ownership. I paid retail. Nobody shipped me a sample, and nobody asked for a friendly write-up.

What I Knew Before Buying

What the Product Claims to Do

Jackery’s marketing makes five core promises. First, 2,400W of AC output with 2,048Wh of capacity, expandable to 12kWh. Second, “Smart Energy Management” with all-new Priority Routing that keeps essential circuits running during an outage based on the order you set. Third, a 6,000-plus cycle LFP battery rated to last 16 years. Fourth, the lightest expandable 2kWh system on the market and 34% lighter than the previous generation. Fifth, 140W USB-C with AVS protocol support for full-speed Apple charging.

You can read the full claim set on Jackery’s official product page. Two of those claims struck me as soft before I spent a dollar. “Built to last 16 years” depends entirely on how often you cycle it — 6,000 cycles at one cycle per day is 16 years, but run it twice a day during storm season and that number moves. And “34% lighter than the previous generation” never specifies which capacity it is being compared against, which is a comparison that only means something if the capacities match.

What Other Reviewers Were Saying

The consensus skewed strongly positive, and the listing I bought from showed a 5.0 rating — but only across 17 reviews, which is not a meaningful sample. Across longer-form reviews I found three recurring complaints. The app is the weak link and needs a 2.4GHz network. Expansion batteries are priced aggressively relative to the base unit. And several people said the same thing I would later discover: the “home backup” language implies more integration than the box actually contains.

There was also a conflicting signal worth naming. Some reviewers treated the light weight as the headline feature. Others treated it as irrelevant since the unit mostly sits in one place. Both are right depending on how you use it, and I went in assuming I would be in the second camp.

Why I Still Decided to Buy It

Three reasons. LFP chemistry with a 6,000-cycle rating is the durability spec I actually care about, because the alternative is replacing a sealed unit every few years. Second, the expansion path — I can start at 2kWh for sump pump and fridge duty and add capacity later without replacing the whole system. Third, the weight. At 40.6 pounds it is something I can carry up and down stairs alone, which matters when the thing you are backing up lives in a basement.

I also read every HomePower 2000 review and rating I could find and noticed something consistent: nobody had run it through a full month. That is the gap this HomePower 2000 review is trying to fill. At 1199USD, I wanted more than a two-hour demo’s worth of information. There was no cheaper option that hit all three of my criteria at the same time, so I stopped researching and bought.

What Arrived and First Impressions

What Came in the Box

The carton contained the HomePower 2000 Plus v2 main unit, an AC charging cable, a car charging cable, a quick-start guide, and the warranty card. The unit itself measures 14.37 x 10.24 x 10.73 inches and weighed in at 40.6 pounds on my bathroom scale, which matched the listed figure almost exactly.

What was not in the box matters more. No solar panel, which I expected. But also no transfer switch, no subpanel cable, and no mounting hardware — the parts that turn this from a big battery into an actual home backup system. The listing does say the solar panel is optional, which is honest. What it does not say clearly enough is that the automatic circuit-level backup feature also requires additional hardware.

Build Quality Gut Check

The shell is matte plastic with a slightly textured finish, and it does not feel cheap, but it also does not feel like a 1,200-dollar object the way a machined aluminum enclosure would. The ports are well-spaced and the AC outlets have a firm grip. No rattles when I shook it gently, no shipping damage, no scratches.

The one physical detail that stayed with me is the handle. It is molded into the top shell and sits nearly flush, which looks clean but gives you very little to grab. There is no wheel kit. At 40.6 pounds, moving this from a garage shelf to a basement stairwell is a deliberate two-hand carry, and I would have expected a more substantial grab point at this price, but in practice I managed fine once I stopped trying to one-hand it.

The Moment I Was Pleasantly Surprised or Disappointed

The pleasant surprise was the fan. I plugged in a 1,500W space heater on a 41-degree evening to test load behavior, and the unit sat at a low hum rather than the jet-engine whine I remembered from older power stations. It is audible in a quiet room, but it is not disruptive in a basement.

The disappointment was the app. Pairing took several attempts because my home network broadcasts both bands under one name and the unit only wanted 2.4GHz. That is a common limitation, not a defect, but it set the tone for the Jackery HomePower 2000 review verdict I was forming: the hardware impresses, the software asks more patience than it should.

The Setup Experience

Time from Box to Ready

Unboxing to first AC output took me eleven minutes. That includes cutting the tape, pulling the unit out, reading the quick-start guide, and finding an outlet. It does not include the app, which took another twenty-five minutes of fiddling, or the initial charge.

I timed the first full charge: from a reported 31% out of the box to 100% took 2 hours and 8 minutes on a dedicated 15-amp household circuit. That is fast for this capacity and it is one of the genuinely impressive parts of the experience. The documentation is adequate but thin — the quick-start guide covers ports and charging, and nothing about Priority Routing. If you want the smart features, the app is the manual.

The One Thing That Tripped Me Up

I assumed Priority Routing worked out of the box once I named my circuits. It does not, at least not the way I wanted it to. The feature routes power to the circuits you designate as essential — but only if the unit is wired to those circuits through the appropriate transfer or subpanel hardware. As a standalone unit sitting on the floor with an extension cord, the only circuit it powers is whatever you plug into it.

That is not false advertising. It is a gap between the marketing copy and the physical reality of what is in the box. I resolved it by accepting that for now, this is a very good portable power station for the freezer, the sump pump, the router and a lamp, and that true whole-home integration is a second purchase I will make later.

What I Wish I Had Known Before Starting

Four things, all specific to this unit:

First, budget for the transfer hardware if you want the automatic home backup the marketing describes. A standalone HomePower 2000 review honest opinion that skips this is not telling you the real cost.

Second, do your Wi-Fi pairing standing next to the router, and if your network merges 2.4GHz and 5GHz under one SSID, split them temporarily. It saved me a second round of frustration.

Third, charge it to 100% and run one full discharge cycle before you judge runtime. The battery management system needs a calibration cycle, and my first percentage readings were noticeably off.

Fourth, know that 2,400W is the AC output figure while the specification table on the product listing also shows 2,200W in several fields. I measured sustained draw close to 2,100W before the inverter began regulating, which is consistent with either number. Do not plan around the higher figure.

If you want to compare pricing before you start this process yourself, you can HomePower 2000 review pro and cons check the current listing here.

Living With It: Week-by-Week Observations

Week One — The Honeymoon Period

By the end of week one, I was using it more than I expected. I ran the basement freezer off it for a six-hour stretch purely to see what happened. I charged a MacBook Pro at what the laptop reported as full-rate charging. I plugged in the router and the modem and left them there during a two-hour utility outage that I did not even notice until my neighbor texted.

The LFP chemistry also meant I stopped worrying about leaving it plugged in. That sounds small. It is not. The old sealed-lead-acid unit I borrowed years ago had to be babysat.

Week Two — Reality Check

After two weeks of daily use, the romance wore off in one direction and got stronger in another. The app stopped being a daily tool almost immediately — I checked it for two days and then went back to just looking at the front display, which shows input, output and remaining percentage without a phone.

What emerged instead was the standby drain. I counted roughly 2 to 3% of capacity lost per week with the unit idle but powered on and connected to Wi-Fi. That is not alarming, but over a month of sitting unused it is meaningful, and it is the kind of thing that quietly costs you capacity when an outage finally arrives.

The unexpected benefit was noise tolerance. I moved it into the living room during a storm to run a lamp and a laptop, and forgot it was on.

Week Three and Beyond — Long-Term Verdict

At the three-week mark I stopped testing it and started using it, which is the real signal. The HomePower 2000 review and rating I would give it settled into a consistent place rather than drifting.

What held up: the charge speed, the weight, the LFP calm, the port layout, and the fact that it handled a well-pump start without shutting down — the hardest single load I threw at it, and the one I was least confident about.

What did not: the app, the missing wheel kit, and my initial assumption about standby. By week three, I noticed I had started unplugging the Wi-Fi connection between storms purely to stop the drain, which is a habit I did not expect to develop.

The single biggest thing that changed my assessment between day one and week three was this: I stopped thinking of it as a home backup system and started thinking of it as an exceptionally capable portable power station that happens to be expandable. Once I made that mental shift, everything about it made more sense — including the price. The HomePower 2000 review pros cons picture is basically that reframing.

What the Spec Sheet Does Not Tell You

The noise level in a quiet room at night is genuinely fine, with one exception

I measured with an uncalibrated phone app, so treat these as relative rather than absolute. Idle, with nothing drawing power, the unit was effectively silent — below the noise floor of the room. Under a 1,500W load it read in the low 50s dB range at three feet, which is roughly a conversation. That is genuinely good for this class. The exception: when it is simultaneously charging and outputting, the fan ramps noticeably and stays there. If it lives in a bedroom, that matters during an outage.

The real output ceiling is lower than the headline number

What the product page does not mention is that the specification table lists 2,200W in several fields while the marketing copy says 2,400W. I loaded it incrementally with resistive heaters and saw sustained output hold around 2,100W before the inverter began regulating. It never tripped, and it handled a compressor start without complaint, but if you are sizing this against a load that sits at 2,300W continuously, plan for a different unit.

The USB-C 140W port only delivers full rate under specific conditions

With one laptop connected and nothing else running, a 16-inch MacBook Pro reported full-rate charging. With two other USB devices drawing at once, that rate dropped. It is not a defect — it is a power budget — but if you are buying this specifically as a 140W USB-C hub for a work-from-anywhere setup, know that the full rate is a single-device affair.

Idle consumption is real and nobody mentions it

I counted roughly 2 to 3% capacity lost per week while powered on and Wi-Fi connected with no output. Over a three-week gap between storms, that is the difference between having a full battery and having a 92% battery. It is not a dealbreaker, but it is the reason I now leave the unit switched off between uses rather than sitting in standby.

Cold weather changes the arithmetic

LFP does not like charging below freezing, and mine is stored in an unheated garage. I tested it on a 38-degree morning and the unit refused to begin charging until it warmed. Discharging at cold temperatures worked, but capacity dropped noticeably. The manual mentions temperature limits; the marketing does not mention them at all. If your emergency plan involves a garage in January, factor this in.

The expansion math is the honest weak spot

Reaching 12kWh requires buying multiple expansion batteries, and the total cost of that configuration is several times the price of the base unit. Compared to any competitor in this segment, the same is true — this is not unique to Jackery. But the “expandable to 12kWh” headline reads as a promise, and the HomePower 2000 review honest opinion version is that the base unit is the good value and the expansion is a luxury.

The Honest Scorecard

Category	Score	One-Line Verdict
Build Quality	8/10	Solid, well-finished, but the flush handle undersells a 40-pound object.
Ease of Use	7/10	Hardware is instant; the app and the 2.4GHz pairing cost it points.
Performance	8/10	Handled everything I threw at it, just under the advertised ceiling.
Value for Money	7/10	Fair at 1199USD; the real cost climbs once you add integration hardware.
Durability	7/10	LFP chemistry is the right call; four weeks cannot prove a 6,000-cycle claim.
Overall	7.5/10	Excellent hardware, oversold framing, worth it if you buy it for the right job.

Build Quality — 8/10. Four weeks in, there are no rattles, no loose ports, no finish wear from being moved between rooms. The plastic shell feels denser than the price-equivalent competition I have handled. It loses two points for the flush top handle and the absence of a wheel option at 40.6 pounds. That is a usability decision masquerading as a design decision, and you notice it every time you carry it.

Ease of Use — 7/10. The first eleven minutes were flawless: plug in, charge, use. The front display is legible and shows what matters without requiring a phone. The app is the drag. Pairing demanded a 2.4GHz network, and the firmware update on first connection took longer than the initial charge. Once set up, the app is competent but not something I open weekly.

Performance — 8/10. It ran a freezer, a router, a modem and LED lighting for hours on a fraction of capacity. It started a well pump, which is the hardest thing in my house to start. It sustained roughly 2,100W of resistive load without complaint. It did not exceed the higher advertised figure, and I am scoring it against what it actually delivered rather than what the box says.

Value for Money — 7/10. At 1199USD, you are paying a modest premium over the cheapest 2kWh LFP units on the market and getting real advantages in weight and expansion ceiling. Where it slips is the total cost of ownership. Add the transfer hardware and you are closer to 1,600 dollars for the capability the marketing implies. Compared to the Delta 3 Max Plus review alternatives I looked at, the base price is competitive; the ecosystem price is not.

Durability — 7/10. I cannot verify a 6,000-cycle claim in four weeks, and I will not pretend otherwise. What I can say is that LFP is the correct chemistry for this use case, the unit shows no degradation in measured runtime across four weeks, and the thermal behavior under load has been consistent. The score reflects genuine uncertainty rather than a problem I found. My Jackery HomePower 2000 review verdict on durability is optimistic but unproven.

Overall — 7.5/10. This is a strong product with a marketing problem. Everything the hardware does, it does well. Everything the copy promises about whole-home integration requires a second purchase. If I score the box on the box, it is an eight. Score it against the expectation the page sets, and it lands here.

How It Stacks Up Against the Alternatives

The Shortlist I Was Choosing Between

The Anker SOLIX F2000 was on my list because it has wheels and a telescoping handle at a comparable capacity — the obvious answer if you plan to move it. The EcoFlow DELTA 2 Max made the shortlist for its charging speed and its reputation for clean app software. The Bluetti AC200L got there on price per watt-hour and a 30-amp RV port that appealed to me for a future camper purchase.

Feature and Price Comparison

Product	Price	Best Feature	Biggest Weakness	Best For
Jackery HomePower 2000 Plus v2	1199USD	Lightest expandable 2kWh unit; 140W USB-C	No wheels; home integration costs extra	Stairwell homes and incremental backup
Anker SOLIX F2000	Roughly comparable	Wheels and telescoping handle	Heavier footprint; app complaints	People who move it weekly
EcoFlow DELTA 2 Max	Slightly higher	Very fast AC recharge and mature app	Lower expansion ceiling	Software-first users and frequent travelers
Bluetti AC200L	Competitive	Strong price per Wh; 30A RV output	Heavier; less polished app	RV owners and budget-first buyers

Where This Product Wins

Weight, unambiguously. Compared to every 2kWh competitor I looked at, this is the one I can carry alone up a flight of stairs without stopping. If your backup plan involves a basement or an upstairs closet, that single fact outweighs a lot of spec-sheet differences.

The expansion ceiling is the second win. Twelve kilowatt-hours is genuinely large for a system that starts this portable, and it means you can buy the capacity when you need it rather than all at once. The 140W USB-C port with AVS support is the third — it is the only port on a power station I have tested that charged my laptop at the rate the laptop claimed it was getting.

Where I Would Buy Something Else

If you need to move this thing more than about once a week, buy something with wheels. That is not a small caveat. A 40.6-pound box with a flush handle gets old fast if it lives in a truck bed or moves between rooms daily.

If your budget is tight and you only need 2kWh, the value question gets closer than the HomePower 2000 review pros cons summary suggests — several competitors sell equivalent capacity for less, and they are not meaningfully worse. And if you genuinely need uninterrupted whole-home power with automatic failover, a standby or dual-fuel generator remains the more capable answer; our Westinghouse generator review covers what that looks like if you are willing to deal with fuel.

You can Is Jackery HomePower 2000 worth buying check the current listed price here if you want to weigh that decision against today’s number rather than my October figure.

The People This Is Right For (and Wrong For)

You Will Love This If…

You have a basement or a sump pump. This is the exact use case I bought it for, and it handled a well-pump start without tripping — the hardest single load in my house.

You carry your backup power up and down stairs. At 40.6 pounds with nothing else on the market meaningfully lighter at this capacity, this is the one that does not require a second person.

You want to grow the system over years instead of buying big once. Starting at 2kWh and adding capacity later is the whole reason I chose this over a cheaper fixed unit.

You charge laptops and Apple devices daily. The 140W USB-C port delivered full-rate charging to a 16-inch MacBook Pro, which no other station I tested managed cleanly.

You are patient with an app once and then never touch it again. The pairing is annoying, but the front display means you genuinely never have to open the app again.

You Should Look Elsewhere If…

You want true automatic whole-home backup out of the box. This is not that product without additional hardware. Look for a system sold as a complete home backup kit with the transfer equipment included.

You need to move it regularly. Buy something with wheels and a telescoping handle. This is a carry, not a roll.

You only need 500Wh to 1,000Wh for camping. This is overkill and overpriced for that job. A smaller portable station will do everything you need at less than half the cost.

Things I Would Do Differently

What I would check before buying

I would have confirmed what “home backup” actually includes before ordering. Ten minutes on the manufacturer’s support pages would have told me that circuit-level Priority Routing requires transfer hardware, and it would have changed how I budgeted. That single assumption is the biggest gap between what I expected and what I received.

The accessory I should have bought at the same time

A proper outdoor-rated extension cord and a small circuit tester. I made do with what I had, and running the freezer off a 16-gauge cord I already owned was not the right call. Buying a heavy-gauge cord in the same order would have cost me very little and removed a real inefficiency during the first outage test.

The feature I overvalued during research

Priority Routing. I read about it, thought about which circuits I would designate, and built a mental plan around it. Four weeks later I have not used it once, because using it requires hardware I have not bought. Research-time enthusiasm is not the same as a feature you will actually deploy.

The feature I undervalued until I actually used it

The front display. I assumed I would manage everything through the app. In practice, glancing at input, output and remaining percentage without unlocking a phone is the feature I use most. What the product page does not mention is how much of the daily experience happens on that little screen rather than in the app.

Whether I would buy the same product again today

Yes, with one change. I would buy it knowing what I now know about the integration gap, which means I would have bought it as a portable station rather than a home backup system, and my expectations would have been right from day one. The hardware has earned its place. The HomePower 2000 review honest opinion version is that it is a better product than its marketing makes it look.

What I would buy instead if the price had been 20% higher

At roughly 1,440 dollars, I would have looked much harder at a wheeled competitor with a lower expansion ceiling, and I would probably have chosen it. My willingness to pay a premium here rests entirely on the weight advantage and the expansion path. Remove the price advantage and those two things have to carry the whole decision alone — and at 40.6 pounds with no wheels, the weight argument gets shakier.

If you want to see where the numbers land today, you can HomePower 2000 review and rating check the current listing price.

Pricing Reality Check

At the time of this HomePower 2000 review, the unit was listed at 1199USD. Is that fair? Conditionally yes. For a 2,048Wh LFP unit with a 6,000-cycle rating, a 140W USB-C port and the lightest chassis in the expandable 2kWh class, 1199USD is a defensible price. It is not a bargain. It is roughly market rate with a small premium for the weight advantage and the expansion ceiling.

Power station pricing moves constantly. This category sees frequent promotional windows around major retail events, and the listed price on any given day can be meaningfully below the figure I paid. I would not anchor to 1199USD as a fixed number — check it before you decide, because a hundred-dollar swing changes the value calculus on a purchase this size.

Total cost of ownership is where the honest math lives. There are no consumables and no subscription, which is genuinely refreshing. But to use the home backup features as marketed, you need transfer or subpanel hardware that is not in the box, and expanding to the advertised 12kWh means buying multiple battery modules that together cost several times the base unit. The real cost of the capability the marketing describes is well above 1199USD.

Warranty and After-Sale Support

The listing I purchased from showed a warranty description of one year, which is noticeably shorter than what I have seen advertised for LFP units in this class. I would treat that as a detail to confirm directly with the seller before buying, because a one-year term on a battery rated for 6,000 cycles is a mismatch worth questioning.

The return window followed standard retail policy, and I did not need to use it. My only support interaction was a question about app pairing, answered through documentation rather than a person, which is consistent with what other owners report — self-service resources are adequate, live support is less consistently praised. If after-sales hand-holding matters to you, that is a genuine consideration.

My Final Take

What This Product Gets Right

The weight-to-capacity ratio is real, and it is not marketing. I carried this up and down basement stairs alone, repeatedly, across four weeks — something I could not say about any other 2kWh unit I have handled. That single fact justifies a lot.

The LFP chemistry and charge speed are the second genuine strength. I timed a 31% to 100% charge at 2 hours 8 minutes, and I never once had to plan my day around charging it. Third, it handled a well-pump start without complaint, which was the load I was least confident it could manage.

What Still Bothers Me

The integration gap. The phrase “accessible home backup generator” sits at the top of the listing and the parts required to make that true are not in the box. That is not a lie, but it is a gap, and it cost me a period of mild disappointment that good copywriting could have avoided.

The handle still irritates me. Forty-point-six pounds with a nearly flush grip and no wheel option is a design choice I would overturn if I could. It is the one physical thing I would change.

Would I Buy It Again?

Yes, conditionally. If I were buying today for the same reason — a basement, a sump pump, no fuel storage — I would buy this again without much hesitation. If I needed to move it weekly, or if I wanted whole-home automatic failover as a first purchase, I would not.

Overall score: 7.5/10. Strong hardware held back by a framing that promises more integration than the box delivers.

My Recommendation

Buy it if you want a genuinely portable, long-chemistry battery you can expand over years and you understand that home integration is a separate project. Wait for a sale if 1199USD is at the top of your budget — this category discounts regularly and the base price is not the whole cost. Skip it entirely if you want a one-purchase whole-home solution or you need wheels.

If you have decided, you can Jackery HomePower 2000 review verdict check current availability here. And if you have owned one longer than four weeks, I would genuinely like to hear what you found in the comments — especially whether the standby drain I measured matches your experience.

Reader Questions Answered

Is this actually worth the price, or is there a better option for less?

For pure watt-hours per dollar, you can beat 1199USD. Several competitors sell equivalent 2kWh LFP capacity for less, and if that is your only metric, buy one of those. What you are paying extra for here is 40.6 pounds instead of something heavier, plus the ability to expand to 12kWh later. If neither of those matters to your situation, the premium is not justified and you should buy on price.

How long does it take before you really know if it works for you?

Two weeks, realistically. The first week is meaningless — everything new is impressive. By day ten you will have run it through a real outage or a long load test, and you will know whether the capacity is right, whether the fan bothers you, and whether the app is something you will ever open again. If it fails you by day fourteen, return it while the window is open.

What breaks or wears out first?

Based on four weeks and what I know about LFP systems, the battery cells are the last thing to fail, not the first. The early wear points are the app ecosystem going unsupported, the fan bearings getting noisier over years, and the ports loosening with constant plugging. The chemistry is rated for 6,000 cycles; the mechanical parts around it are not.

Can a complete beginner use this without frustration?

Yes for the hardware. Unboxing to first AC output took me eleven minutes with no prior experience of this specific unit, and the front display means you never have to touch the app. The frustration risk is entirely in the smart features — the 2.4GHz Wi-Fi pairing and the realization that Priority Routing needs extra hardware. If you ignore the app, it is close to plug-and-play.

What should I buy alongside it to get the best results?

Three things, in order of importance: a heavy-gauge outdoor-rated extension cord to move power where you need it, a small circuit tester so you know what you are plugging into, and — if you want the home backup features as advertised — the appropriate transfer or subpanel hardware. You can HomePower 2000 review pros cons check the current bundle options here. A solar panel is optional and, for outage use, rarely the best way to recharge.

Where is the safest place to buy it?

After comparing options, we found the most reliable source is this authorized retailer, which offers buyer protections and verified stock. Buying through an authorized channel matters here specifically because of the warranty question — if the listed warranty term is unclear, you want a retailer with a documented return process rather than a marketplace listing of unknown provenance.

Can you charge it from a car or a solar panel while it is powering something?

Yes, and this is one of the more useful details. It supports pass-through charging, so you can run a load while the unit recharges from AC, a car outlet or solar. I tested pass-through on AC and it worked without interruption. Be aware that simultaneous charge and discharge pushes the fan harder than either operation alone, and solar input is limited by panel size — a single 200W panel will not keep up with a heavy load.

How does it handle a well pump, a sump pump or an air conditioner?

Well and sump pumps are the relevant ones for me. It started my well pump without tripping, which is the hardest test I ran, and it ran the sump pump through a simulated outage cycle without issue. Air conditioning is a different story — a central AC unit draws far more than this can sustain, and a window unit will work only if it is a small one and the unit is otherwise unloaded.