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Quell the Heat With Our Favorite Window Air Conditioners at All Price Points

Quell the Heat With Our Favorite Window Air Conditioners at All Price Points

Others We Tested

EcoFlow Wave 2 for $1,299: Lisa Wood Shapiro tested the newest model for this update. The EcoFlow Wave 1 has cooled down my wife’s office for more than a year just fine—we can’t use a window AC there because it would block the fire escape. Lo and behold, there’s a new version that’s slightly cheaper (8/10, WIRED Recommends). It’s a little lighter than its predecessor at 32 pounds, yet has a higher 5,100 BTU rating (up from 4,000). New here is a heating mode rated at 6,100 BTU, so you can keep using it in the winter to warm up a room. The company says it’s best for rooms up to 107 square feet. You do need to place it near a window to have one of the included ducts connected to the vent to take hot exhaust from the back of the unit out of the room. What makes this unit versatile is how you can power it. You can use a standard AC outlet, but you can buy the version with a battery to keep it working when you don’t have access to power, or you can hook it up to solar panels. —Julian Chokkattu

Dreo Smart Air Conditioner for $460: The Dreo Smart Air Conditioner not only cools a large bedroom effectively and quickly, it also can be controlled by the app in my iPhone. Along with the Dreo’s easy-to-use app, it can be paired with Amazon Alexa or Google Home. It has an easy-to-read LED display and control panel, along with a magnetized place for the remote, and louvers that open and close, adding to its robotlike aesthetic. The setup was easy, and I didn’t drill in a single screw, as I was able to close the window on the expanders. It’s not entirely clear how I was supposed to snap the hose into the window hole, but I shoved it in and it seems to fit in there. It’s not super airtight, which is fine. One of the issues with portable air conditioners is the single hose. It can create a vacuum in an airtight space; think pressure in your ears like an airplane. And it can create enough negative pressure that the room can potentially suck in hot air from the outside. So, leave the window open a crack. However, we now only recommend dual-hose portables, as they don’t create a vacuum and are more efficient. —Lisa Wood Shapiro

Zero Breeze Mark II for $999: With its 2,300 BTU, you won’t be able to get the same cooling power as with the EcoFlow Wave, but the Zero Breeze (7/10, WIRED Review) is much lighter at 17 pounds. This bundle includes a battery that will make the whole thing weigh about 30 pounds, but you’ll get four hours of use without needing to be near a wall outlet. Like the EcoFlow, you get a few vent pipes to direct exhaust away and direct cool air to a specific area, but unlike the EcoFlow, you can’t charge the battery and use the AC at the same time. —Julian Chokkattu

Zero Breeze Mark III for $1,399: As WIRED contributor Chris Null notes (7/10, WIRED Review), the Mark III is both larger than the Mark II and quite a bit heavier, now 22 pounds. Add on the 1,022-Wh battery pack and you’ll pack on another 14 pounds, though that frees you from having to be near a power outlet. New for the Mark III is the fact that batteries can now be stacked and charged in sequence, each daisy-chained to the next (though at $600+ per battery, this can get pricey fast). Each Mark III battery also has extra outputs that can be used for other devices—one USB-C port, one USB-A port, and a 12-volt DC socket. However, the Mark II battery has all of the above plus a second USB-A port. No word on why this was removed. However, it’s a bigger, punchier unit by most standards and a worthwhile buy for outdoors enthusiasts.

BTU stands for British thermal units. In the case of air conditioners, BTU is a way to measure how much heat the compressor can remove from a room. It’s a quick and easy way to figure out whether an AC unit is powerful enough to cool your space. First, you’ll want to find the square footage of your room by multiplying the length and width. Then, use the US Department of Energy’s guidance on the BTU capacity you need. For example, a 150- to 250-square-foot room needs a 6,000 BTU AC unit or higher for adequate cooling.

Check the combined energy-efficiency ratio (CEER) rating. The specs on any air conditioner you buy should list a CEER rating, which is one of the best ways of checking the energy efficiency of a unit. You’ll usually see a number between 9 and 15. The higher the number, the less you’ll pay when the electricity bill comes around. A cheap window AC unit might save you money at first, but you may end up shelling out more in the long run. The US Energy Star program has a website that lets you browse AC units based on their CEER ratings.

Check local laws. Some cities, like New York, require installing brackets to support your window AC. A simple one like this model should do the trick, though we haven’t tried it out. You may also need to head to a hardware store for some plywood to make sure your window sill sits flat, but this depends on the type of windows you have and the AC model you buy. When installing, you should get a friend to help you out. These units can be heavy and difficult to hold, and the last thing you want is to drop one out the window.

Measure your window. Before you buy, read up on the supported window types and sizes for the AC unit you’re looking at, and measure your window to be safe. Make sure to seal any gaps as best you can with the included foam. (You can always buy more if you need it.)


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The New Moon has now passed, which means each night the Moon will appear bigger and brighter in the sky. This happens as more of its sunlit side comes into view from Earth. From now, it will become more illuminated each night until the next full Moon.

What is today’s Moon phase?

As of Saturday, April 18, the Moon phase is Waxing Crescent. Tonight, 1% of the moon will be lit up, according to NASA’s Daily Moon Guide.

The Moon is starting to brighten again, but for now, there’s still to little of its surface lit up to see anything.

When is the next Full Moon?

The next Full Moon is predicted to take place on May 1, the first of two in May.

What are Moon phases?

NASA states that the Moon takes about 29.5 days to orbit Earth, during which it passes through eight distinct phases. We always see the same side of the Moon, but the amount of sunlight reflecting off it changes as it moves along its orbit, creating the familiar pattern of full, partial, and crescent shapes. These shifting appearances are called lunar phases, and there are eight in total:

New Moon – The Moon is between Earth and the sun, so the side we see is dark (in other words, it’s invisible to the eye).

Waxing Crescent – A small sliver of light appears on the right side (Northern Hemisphere).

First Quarter – Half of the Moon is lit on the right side. It looks like a half-Moon.

Waxing Gibbous – More than half is lit up, but it’s not quite full yet.

Full Moon – The whole face of the Moon is illuminated and fully visible.

Waning Gibbous – The Moon starts losing light on the right side. (Northern Hemisphere)

Third Quarter (or Last Quarter) – Another half-Moon, but now the left side is lit.

Waning Crescent – A thin sliver of light remains on the left side before going dark again.

#Moon #phase #today #explained #Moon #April">Moon phase today explained: What the Moon will look like on April 18, 2026
                                                            The New Moon has now passed, which means each night the Moon will appear bigger and brighter in the sky. This happens as more of its sunlit side comes into view from Earth. From now, it will become more illuminated each night until the next full Moon.What is today’s Moon phase?As of Saturday, April 18, the Moon phase is Waxing Crescent. Tonight, 1% of the moon will be lit up, according to NASA’s Daily Moon Guide.The Moon is starting to brighten again, but for now, there’s still to little of its surface lit up to see anything. 
When is the next Full Moon?The next Full Moon is predicted to take place on May 1, the first of two in May.What are Moon phases?NASA states that the Moon takes about 29.5 days to orbit Earth, during which it passes through eight distinct phases. We always see the same side of the Moon, but the amount of sunlight reflecting off it changes as it moves along its orbit, creating the familiar pattern of full, partial, and crescent shapes. These shifting appearances are called lunar phases, and there are eight in total:New Moon – The Moon is between Earth and the sun, so the side we see is dark (in other words, it’s invisible to the eye).
        
            Mashable Light Speed
        
        
    
Waxing Crescent – A small sliver of light appears on the right side (Northern Hemisphere).First Quarter – Half of the Moon is lit on the right side. It looks like a half-Moon.Waxing Gibbous – More than half is lit up, but it’s not quite full yet.Full Moon – The whole face of the Moon is illuminated and fully visible.Waning Gibbous – The Moon starts losing light on the right side. (Northern Hemisphere)Third Quarter (or Last Quarter) – Another half-Moon, but now the left side is lit.Waning Crescent – A thin sliver of light remains on the left side before going dark again.

                    
                                    #Moon #phase #today #explained #Moon #April

Moon phase is Waxing Crescent. Tonight, 1% of the moon will be lit up, according to NASA’s Daily Moon Guide.

The Moon is starting to brighten again, but for now, there’s still to little of its surface lit up to see anything.

When is the next Full Moon?

The next Full Moon is predicted to take place on May 1, the first of two in May.

What are Moon phases?

NASA states that the Moon takes about 29.5 days to orbit Earth, during which it passes through eight distinct phases. We always see the same side of the Moon, but the amount of sunlight reflecting off it changes as it moves along its orbit, creating the familiar pattern of full, partial, and crescent shapes. These shifting appearances are called lunar phases, and there are eight in total:

New Moon – The Moon is between Earth and the sun, so the side we see is dark (in other words, it’s invisible to the eye).

Waxing Crescent – A small sliver of light appears on the right side (Northern Hemisphere).

First Quarter – Half of the Moon is lit on the right side. It looks like a half-Moon.

Waxing Gibbous – More than half is lit up, but it’s not quite full yet.

Full Moon – The whole face of the Moon is illuminated and fully visible.

Waning Gibbous – The Moon starts losing light on the right side. (Northern Hemisphere)

Third Quarter (or Last Quarter) – Another half-Moon, but now the left side is lit.

Waning Crescent – A thin sliver of light remains on the left side before going dark again.

#Moon #phase #today #explained #Moon #April">Moon phase today explained: What the Moon will look like on April 18, 2026

The New Moon has now passed, which means each night the Moon will appear bigger and brighter in the sky. This happens as more of its sunlit side comes into view from Earth. From now, it will become more illuminated each night until the next full Moon.

What is today’s Moon phase?

As of Saturday, April 18, the Moon phase is Waxing Crescent. Tonight, 1% of the moon will be lit up, according to NASA’s Daily Moon Guide.

The Moon is starting to brighten again, but for now, there’s still to little of its surface lit up to see anything.

When is the next Full Moon?

The next Full Moon is predicted to take place on May 1, the first of two in May.

What are Moon phases?

NASA states that the Moon takes about 29.5 days to orbit Earth, during which it passes through eight distinct phases. We always see the same side of the Moon, but the amount of sunlight reflecting off it changes as it moves along its orbit, creating the familiar pattern of full, partial, and crescent shapes. These shifting appearances are called lunar phases, and there are eight in total:

New Moon – The Moon is between Earth and the sun, so the side we see is dark (in other words, it’s invisible to the eye).

Waxing Crescent – A small sliver of light appears on the right side (Northern Hemisphere).

First Quarter – Half of the Moon is lit on the right side. It looks like a half-Moon.

Waxing Gibbous – More than half is lit up, but it’s not quite full yet.

Full Moon – The whole face of the Moon is illuminated and fully visible.

Waning Gibbous – The Moon starts losing light on the right side. (Northern Hemisphere)

Third Quarter (or Last Quarter) – Another half-Moon, but now the left side is lit.

Waning Crescent – A thin sliver of light remains on the left side before going dark again.

#Moon #phase #today #explained #Moon #April

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