Best Window Cleaning Solutions for Pressure Washers and Easy Glass Care
Choosing the right window cleaning solution for pressure washers helps you achieve streak-free results on glass, mirrors, and outdoor surfaces without damaging tinting or coatings. This guide compares top options, highlighting performance, safety, dilution, and versatility so you can pick the best match for home or small-business use.
| Product | Brand | Notes |
|---|---|---|
| Simpson Cleaning 88282 Cleaner | SIMPSON | Heavy-duty, highly concentrated, versatile |
| Unger Professional Streak-Free EasyGlide Glass Cleaner Concentrate 12 oz | UNGER | Ammonia-free, safe for tinted windows |
| Simple Green Oxy Solve Total Outdoor Cleaner | Simple Green | Peroxide-based, broad surface compatibility |
| Unger Professional Streak-Free EasyGlide Glass Cleaner Concentrate 1 Gallon | UNGER | Economical large-batch, ammonia-free |
| Simpson Cleaning 88283 Cleaner | SIMPSON | Green formula, versatile |
Simpson Cleaning 88282 Concentrated Cleaner For Pressure Washers

The Simpson 88282 cleaner is a heavy-duty, highly concentrated soap designed for use with pressure washers and spray bottles. It tackles tough oils and greases on concrete, vinyl siding, appliances, and exterior glass surfaces, providing a single-source cleaning solution that reduces the need for multiple products. The formula is suitable for manual use as well, allowing spraying, mopping, or wiping as needed. Dilution can be strong—as low as half an ounce per gallon—yielding up to 256 gallons per bottle, which makes it cost-effective for larger jobs. This versatility makes it a practical choice for both residential and commercial settings.
Key features include a non-butyl degreasing action, the ability to cut through heavy grime, and compatibility with pressure washers, automatic scrubbers, and steam cleaners. Its purple color helps distinguish it from other cleaners in a mixed-cleaning setup. For best results on windows, apply a light mist and rinse thoroughly to avoid residue. The product emphasizes heavy-duty performance while remaining usable in a range of applications beyond windows, such as fences and decks.
Unger Streak-Free EasyGlide Glass Cleaner Concentrate 12 oz

This Unger glass cleaner concentrate is designed for streak-free window washing. It claims ammonia-free composition, reducing oxidation risk and making it safer for eyes and skin during use. The concentrate is intended for a variety of glass surfaces, including windows, shower doors, car glass, windshields, and mirrors. A key advantage is its compatibility with tinted windows and LOW-E glass, which helps protect sensitive coatings. The 12-ounce bottle yields a substantial amount of cleaning solution when diluted properly, delivering value for frequent window cleaning tasks around homes and offices.
Considerations include ensuring thorough rinsing to prevent film, and matching the dilution rate to project size. The product’s non-abrasive formula makes it suitable for indoor and outdoor glass without causing scratches, while its ammonia-free nature supports safer use in inhabited spaces. It’s an excellent option for households needing reliable, gentle glass care with strong cleaning power.
Unger Streak-Free EasyGlide Glass Cleaner Concentrate 1 Gallon

The 1-gallon Unger cleaner provides a cost-effective option for larger windows or commercial work. Like the 12-ounce version, it is ammonia-free and designed to deliver streak-free results for glass, windows, mirrors, and other smooth surfaces. The concentrated formula makes it possible to produce up to 100 gallons of ready-to-use solution, depending on dilution, which is particularly useful for frequent or large-scale window cleaning tasks. The product emphasizes safety for tinted and LOW-E glass, ensuring it can be used on a variety of residential and automotive glazing surfaces without compromising coatings.
Usage notes include following recommended dilution ratios, applying with a sprayer or microfiber cloth, and ensuring complete drying to prevent streaks. For those who need a bulk solution for frequent cleanings, this large-volume option reduces replacement frequency and streamlines inventory management.
Simpson Cleaning 88283 Green Concentrated Cleaner

The Simpson 88283 introduces a green, natural formula designed to be non-toxic and biodegradable, aligning with health and environmental standards (OSHA, USDA, EPA, DNR). It’s a multi-purpose cleaner suitable for pressure washers, automatic scrubbers, steam cleaners, or manual application. The emphasis on green chemistry makes it attractive for users seeking safer cleaning products without sacrificing performance on concrete, vinyl siding, windows, and other surfaces. The product’s versatility supports a wide range of cleaning tasks beyond windows, including outdoor surfaces and equipment.
When using this cleaner, consider testing on delicate surfaces first and adjusting dilution to balance cleaning power with material safety. This product is well-suited for users prioritizing environmentally friendly cleaning solutions that still deliver effective degreasing and grime removal.
Simpson Cleaning 88281 Blue Concentrated Cleaner

This Simpson 88281 variant is another blue 1-gallon concentrate designed for a range of cleaning tasks. It emphasizes multi-purpose use with sizable dilution flexibility, enabling strong degreasing while remaining suitable for manual application or use in pressure washers and steam cleaners. This formulation supports cleaning concrete, vinyl siding, appliances, windows, cars, fences, and decks, providing a single cleaner option that reduces the need for multiple products. It’s particularly useful for contractors or homeowners who want a reliable, widely compatible cleaner.
Considerations include ensuring compatibility with sensitive surfaces and following manufacturer guidelines for dilution rates. The product’s broad applicability makes it a solid all-around choice for mixed cleaning projects that include exterior windows and other outdoor surfaces.
Buying Guide
Key purchase considerations to help you choose the best window cleaning solution for a pressure washer include:
- Surface compatibility: Confirm the cleaner is safe for tinted windows, LOW-E glass, and coated surfaces to prevent etching or damage.
- Concentration and dilution: Higher concentrate options save money but require proper testing; follow manufacturer dilution charts to balance cleaning power and material safety.
- Degreasing strength: For exterior grime, choose a degreaser with proven grease-cutting capability. For light indoor cleaning, a milder formula may suffice.
- Environment and safety: Look for biodegradable, non-toxic formulas when possible, especially around kids or pets. Ammonia-free options reduce odor and irritation.
- Versatility: A multi-surface cleaner reduces product clutter, making it suitable for windows, glass doors, car glass, and even outdoor surfaces like decks.
- Availability and value: Large-volume concentrates may offer better long-term value for frequent cleaning tasks; consider your cleaning cadence and storage space.
- Application method: Sprayer readiness, compatibility with pressure washers, and ease of manual use are important for overall workflow efficiency.
Compared to traditional pre-mixed solutions, concentrated cleaners provide flexibility, cost savings, and customization for different projects. When assessing options, align product attributes with your primary tasks—home windows, vehicles, and outdoor surfaces—and your preferred application method. Always test a small area first to confirm surface compatibility and rinse thoroughly to avoid residue or streaks.