I them in my kitchen, but it only one window. I don't have an issues with them.

Not sure what you mean by sliding windows.

Which would look better to you?

Can you post a picture of the side of the house the new space is going to be attached to? Aside from function, you should be thinking about how they're going to look with the existing structure.

I've edited the post to include photos! I hope this helps.

I'd prefer your current sliding windows. We had a couple of different brands of casement windows on previous house and are not doing any in our new house. We didn't like having screens inside vs outside. Also, we had multiple windows blown off their controller/crank hardware that we had to reattach repeatedly. Finally, we couldn't leave a window open if there was a chance of rain, unlike side-sliding windows or double hung windows that we could leave open a few inches as long as there wasn't wind driven rain.

in Hawaii i would use narrow frame sliders over casements all day long primarily for more glass area, exterior screens vs interior screens, and the sash not sticking out from the exterior wall when the window is open (which is 90% of the time).

Sliders are simple and basic and work great in your climate.

i lived on Oahu for three years…

Sliders all the way. They're cleaner looking and do the job.

Casements are great ... unless you actually need to have them open and have lots of bugs in your climate! I hate having bugs trapped inside the window/house when you close up the casements. I also disliked having the screen be the first thing you see on the inside.

I removed most of the screens from our Los Angeles house because we had no flying bugs except for the occasional fly and we had nice views, which looked better without screens.

I'm now in FL and didn't install the screens on my casements. Too hot/humid to open windows most of the time. I did order some of my Marvin windows with retractable screens for the few times we would want cross breezes in the cooler FL winters.

I grew up in a house (built in 1941) that had casement windows with screens that rolled up. Essentially like retractable screen doors, except vertical instead of horizontal. Is there no window company that offers this option?

Hi Sue, All of my neighbors in Hawaii who have retractable screens (over doors or windows) say they break from being opened and closed so often, as well as problems from the humidity.

We have casement windows but we don't open and close them all that often (midwest weather is always extreme, so open window days are few and far between). They're fine, but I like the look of your current sliders better and think they'd be better for frequent opening/closing.

Look into stainless screen material. The weave is more see through because the stronger stainlees wire allows for thinner diameter. Definately noticeable.

We have casement windows. I love the screen on the inside as it stays cleaner. The only problem is with the taller windows it can be difficult to crank them closed.

The sliders seem less problematic and easier to operate..and way less complicated to open or clean…

Sliders leak and casements have interior screens. I only use casements for basement emergency escape openings.

I have casements in some rooms but don’t care for them. In my area, the wind will catch the open glass section and force it to open wider. I don’t like the handles at the bottom either. It’s not a huge deal but if I were given the opportunity, I would chose sliders, particularly for your application (breeze, ventilation).

When the bottom track of a slider fills with water during a wind and rain storm it has no place to go but inside. I wasn’t aware they were still made. They’re great in a desert.

I grew up in two homes with casement windows with roll-a-screens. They are great! Roll down the screen only went you want them. The windows are easy to clean and the sills stay clean.

I had another house with casements and interior screens. That was still okay, because we took out the screens during the too-hot and too-cold seasons. And the sills stayed clean.

I had yet another house with sliders. Never again if I have a choice. They were hard to operate especially if there was anything in front of them. That sideways motion just doesn’t seem natural for the arm.

Two houses with hung windows, the current one is true double-hung, with ”triple-track” or self-storing storms and screens. They are okay but boy does stuff accumulate on the sill between screen and window.

Casements with rollascreens always get my vote.

All of my windows are sliders and none of them leak.🤷🏼‍♀️

In fact the screen has a little opening(shown in pic..lower right…where the water drains outdoors

These windows have been in place 22 years with no maintenance other than dusting/spraying with water to clean the screen and wiping the runners yearly in the spring

Since we live in mountain country we do get the occasional spider growing webs and trying live in that little space…