$119 for Exterior Wash for One-Story Home Up to 2,500 Sq Ft. from Williams Window Cleaning ($350 Value)

Williams Window Cleaning

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Up to 66% Off

Customer Reviews

5 Ratings

Fast, efficient and went above and beyond. Very happy with the service and will use them again.
Suzanne O. · October 17, 2016
Williams Window cleaning did a great job and he was fast! I would use him again.
Joan J. · June 13, 2016

What You'll Get


The Deal

  • $119 for exterior wash for one-story home up to 2,500 square feet ($350 value)

Pressure Washers: Wondrous Waterpower

A wave of a pressure-washer wand can whisk away hard-to-clean grime from outdoor surfaces. Peek inside with Groupon’s look at pressure washers.

Applying pressure of up to thousands of pounds per square inch, the powerful spray from a pressure-washer’s nozzle can gently scrub siding, scour mildew off deck slats, or even strip paint. This vast power stems from three major components.

The motor: The motors of professional pressure washers are usually gas-powered for maximum spray force and mobility, though electric models are available for lighter home uses. Whatever the fuel source, the motor’s purpose is to set the water pump in motion and make a cool purring-lion sound.

The pump: When water enters the pressure-washer body from a hose, it passes through a pump that speeds it along into the nozzle. In lower-powered models, this may be an axial pump—akin to a propeller in a tube. Most professional models, however, use piston or plunger pumps with multiple cylinders for increased power. Some pressure-washers can also inject a detergent into the water in the pump to boost its cleansing ability. And systems designed to emit hot water are even more effective.

The wand: Since a garden hose can only supply water so fast, there’s an upper limit on how much a pump alone can increase water pressure. A big part of the pressure boost comes from the rather dainty-looking handheld wand, which constricts water much further than the hose. This constriction forces the water to accelerate, so it emerges from the nozzle at speeds of up to 100 miles per hour. Different nozzle attachments can also change the spray’s shape and size: some focus it into a drill-like spray, while others fan it out to cover large surface areas quickly. Brush attachments may be used for tasks such as cleaning outdoor furniture or turning a chair you left outside all year back into indoor furniture.

The Fine Print


Promotional value expires 120 days after purchase. Amount paid never expires. Valid only within 20 miles of zip code 93705. Appointment required. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. Must use promotional value in 1 visit. Valid only for option purchased. All goods or services must be used by the same person. Additional fees will apply for additional sq ft and/or services. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

About Williams Window Cleaning


By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.