When most people think of pressure washing, they picture a residential job — a house, driveway, or deck. But there's a significant commercial side to the industry, and the two are different in ways that matter if you're considering hiring a provider for either type of job.
Equipment Differences
Residential pressure washing typically involves equipment operating at 1,500–3,000 PSI with 2–4 gallons per minute (GPM) flow rates. This is sufficient for house siding, driveways, and decks.
Commercial jobs often require higher-capacity equipment — hot water pressure washers operating at 3,000–4,000+ PSI and higher GPM rates. Hot water is particularly important for commercial applications involving heavy grease, oil, and industrial contamination that cold water alone can't break down efficiently.
Surface and Scale
Residential jobs focus on relatively small surface areas — a typical home exterior is 1,500–2,500 square feet of washable surface. Commercial jobs can involve:
- Large parking lots and loading docks with heavy oil and tire rubber buildup
- Restaurant exteriors with grease and food contamination
- Storefront facades and building exteriors at scale
- Industrial equipment and fleet vehicles
- Sidewalks and walkways requiring chemical degreasing
Scheduling Considerations
Residential jobs are typically scheduled around homeowner preference — mornings, weekends, whenever is convenient. Commercial jobs often need to be scheduled around business operations. Many commercial clients require work done during off-hours, overnight, or on weekends to avoid disrupting operations.
Regulations and Insurance
Commercial pressure washing, particularly involving chemical treatments, may require adherence to local environmental regulations regarding runoff and waste water disposal. In DuPage County, discharge of cleaning chemicals into storm drains is regulated. Commercial providers need to understand and comply with applicable regulations.
When hiring for commercial work: Always verify that the contractor carries adequate general liability insurance (typically $1M+ for commercial jobs) and has experience with your specific surface type and contamination level. Commercial insurance requirements are higher than residential.
What AMH Pressure Wash Handles
AMH Pressure Wash specializes in residential and light commercial work in DuPage County — homes, driveways, small commercial storefronts, and property maintenance. For residential clients, we're the right fit for everything from a single driveway cleaning to a full property wash. Contact us for a free assessment.
