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TRUSTED BY NASHUA, NH HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon83
    Verified window cleaning services reviews

Top-Rated Window cleaners in Nashua - Updated Nov 2026

Avatar for Square Services
Square Services
4.6(
29
)
Window CleaningWindow Cleaning - For Business

Serving Nashua, NH and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"This company company was SO amazing to work with. When I first asked for a quote to clean my patio, a representative of the company, named Carmen, had me send pictures of the space and gave me a formal quote. Carmen was always attentive to every question I had about the process to clean my patio and always gave me a straight answer. Wandel, the cleaner, was on time for the job and power washed the fence, windows, cement patio and did yard/waste removal. Handel even came back for a second day to continue to thoroughly clean that patio upon request. The patio space looks beautiful now. I highly recommend using Square Services!"
Response time2 days
Response rate86%
Recommended by100%of homeowners
Avatar for Queen City Green Cleaning Services, LLC
Queen City Green Cleaning Services, LLC
4.5(
8
)
Window Cleaning - For Business

Serving Nashua, NH and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"We have an office building and continue to receive exceptional service from Clean Team. They are timely, responsive and always priced competitively. Highly recommend using this company."
Office cleaning
Kitchen Lounge
Kitchen Lounge
Office
Receptionist

+3

Response time1 day
Response rate100%
1 neighbors recently requested a quote
Avatar for WE HOME IMPROVEMENT INC
WE HOME IMPROVEMENT INC
5.0(
4
)
Window Cleaning

Serving Nashua, NH and surrounding areas

Approved

Free estimates

Small jobs welcome

Offers commercial services

"Emily’s company did a fantastic job doing a deep clean on my house before move in! She was responsive and concise on what to expect. I’m so pleased with how it came out!"
Kitchen Remodel
Kitchen remodel 2
Kitchen remodel 2
Kitchen remodel 2
Kitchen Remodel

+25

22 neighbors recently requested a quote
Recommended by25%of homeowners
...
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Window Cleaning FAQs, answered by experts

Cleaning your windows not only improves your home’s curb appeal—and, therefore, property value—but it also prolongs the life of your windows. Clean windows make a big difference from the outside, so if you’re selling your home or plan on selling, window washing is an affordable way to make your home stand out. Additionally, cleaning the tracks and moving components in your window can help them last longer, potentially saving you money over time on window replacement costs and repair.

Clutter and disorganization can make even a clean house seem dirty. Decluttering unused items will make your home seem cleaner, and putting storage solutions into place will give a house a more organized look and feel. Other things that can make a house feel dirty include stained or faded carpets and upholstery, dirty or dingy walls, chipped paint, and disorganized shelves.

The best homemade cleaning solution for windows is one gallon of warm, distilled or bottled water mixed with five to ten drops of liquid dish soap. This is what professional window cleaners typically use when they make their cleaning solutions. Using bottled or distilled water will help avoid hard water stains after cleaning, and the soap will cut through grease, smudges, and debris on your glass.

Yes, you can create a solution of dish soap and hot water to create a cleaning solution. You’ll want to mix about one to two drops of dish soap for every 8 ounces of hot water. If you use too much soap, it’ll create too many suds and make it harder to effectively wash away.

One of the best professional cleaning solutions that won’t leave streaks is one gallon of distilled or bottled water mixed with 2 to 4 teaspoons of dish soap. Apply using a sponge in a figure-eight motion, and then use a squeegee to remove the majority of the water and soap. You can finish drying with a piece of old black-and-white newspaper to remove any residue for a streak-free clean every time.

The Nashua, NH homeowners’ guide to window cleaning services

From average costs to expert advice, get all the answers you need to get your job done.