Best Commercial Glass Cleaners of 2026

"I was blown away by how crystal clear and streak-free my windows looked after using this product. It's so concentrated that just a couple of capfuls go a long way, and it even handled tough hard water spots. I've tried plenty of cleaners, but none have worked this well!"

"Living near the water, I had windows covered in salt and grime. This cleaner, paired with Unger's tools, made my windows look professionally cleaned and spotless. I'm seriously impressed and will be recommending it to my friends and family."

"I usually dread window cleaning, but this product made it so much easier with minimal effort. The results were clear, streak-free, and without that annoying film other cleaners leave behind. I’m thrilled with how well it worked!"

"I was honestly surprised by how well this inexpensive glass cleaner worked. No streaks, easy wipe-off, and the bottle feels sturdy. I’ll be sticking with this over pricier brands."

"After switching to this Zep cleaner, I noticed it cuts through fingerprints and smudges effortlessly on all my glass surfaces. Plus, the scent is light and doesn’t linger. The gallon size is perfect for frequent use."

"This is hands-down the best cleaner I’ve used for windows, mirrors, and even stainless steel. It’s versatile, powerful, and the price really can’t be beat."

"I appreciate that this cleaner is great for everyday use and helps me avoid contributing to superbug resistance. It’s exactly what I need for regular cleaning routines."

"Since I use Windex all the time at work, I love how this product holds plenty for refilling bottles. It consistently cleans well and meets my expectations."

"One out of four bottles leaked a bit during transit, so the packaging could be improved, but the cleaner itself was still effective and did the job."

"I use this product at work with our glass cleaner and it performs perfectly every single day. Highly reliable for consistent glass cleaning."

"At our microbrewery, we rely on #beerclean because it delivers exceptional clean results and is a must-have for our taproom. Without a dishwasher, handwashing every glass is easy thanks to the convenient single-use packets—no more measuring mistakes!"

"I was honestly dreading cleaning my windows after moving to a house by the Hood Canal, with all the salt spray and dirt caked on. But after using Unger's products—cleaning solution, window tool, and microfiber towels—my windows look professionally cleaned: spotless and streak free. It turned a dreaded chore into something manageable, so I’ll definitely recommend these to friends and family."

"My dog loves to put her nose on our sliding glass doors, so I’ve tried so many cleaners. This is by far the best window product I’ve tried. It removes pet marks easily and leaves my glass truly streak-free. I’m planning to use it on my windshield next!"

"I was looking for a replacement for my old, locally made window cleaning solution and decided to try this one. For me, it was just okay; I found it lacked the glide I wanted for my squeegee and was a bit too concentrated. I ended up preferring another brand for that extra squeegee slip, but this one still cleans decently for general use."

"This is by far the best glass cleaner I've used—zero streaks every time!"

"I switched to Zep Streak-Free and noticed my windows come out cleaner than with other brands. I'm really satisfied with the result."

"Zep products always impress me. Their glass cleaner removes residue and leaves no haze—plus, the packaging was super secure during shipping."

"I've tried countless window cleaners, but this one is the only product that completely removes greasy, streaky film inside my car. It also leaves a fresh scent that lingers, and even handles the film left by car washes. Highly recommend it!"

"This cleaner is my favorite for both residential and car windows, and it never leaves streaks. I even use it on stainless steel for a great shine. It's a bit pricier than others, but well worth it."

"For years, I've relied on this product to keep my vehicle windows spotless. Finding it online at the same price as Safelite was a bonus. Nothing else compares for auto glass cleaning."