If they're not cleaned every few days, your windows will turn black and begin emitting a high-pitched scream that makes dogs pregnant. Prevent a neighborhood outbreak of puppies with today's Groupon: for $50, you get $150 worth of power-washing services from All Seasons Powerwashing. Click here to view a list of service areas; clients who reside outside of the listed cities can check availability by contacting All Seasons Powerwashing.

All Seasons Powerwashing uses a variety of high- and low-pressure washing systems to cleanse vehicles, homes, and other surfaces too large to clean by hand. The talented crew of cleaners blasts mildew from vinyl or aluminum siding, removes encrusted mud from truck undercarriages, or divests brick structures of collected grime with the cleansing deluge of high-powered pressure washing ($150+). Roof washing ($225+) is a gentler affair, rinsing delicate shingles and sensitive tiles with a lower-pressure system, removing the unsightly black streaks that result from unchecked mold growth and licorice thrown by neighborhood youths. To keep rinses running smoothly, All Seasons Powerwashing's owner makes a point of being on-site at all jobs.