Best Pressure Washer For Roofs: What to Compare

#1 · Best Overall

1. Kärcher K1700

• Dimensions: 17.25"L x 16.5"W x 33"H
• Weight: 20.7 lb
• Dimensions: 17.25"L x 16.5"W x 33"H

Best for: Certified compact electric washer.

Why it ranks #1: Its 1700 PSI TruPressure is the lowest stated pressure here, and the included 65-degree detergent nozzle supports a broader, detergent-focused spray.

CETA-certified 1700 PSI TruPressure gives the Kärcher K1700 a clearly stated operating-pressure figure for homeowners comparing electric washers. Three nozzles, including a turbo tip and a 65° detergent nozzle, allow different spray tasks, while the on/off foot switch supports operation without repeated hand-level switching.

The 15° and turbo nozzles cover two distinct spray options, and the 65° nozzle is specified for detergent application with the included 0.5-gallon tank. An automatic stop feature pauses the unit when the trigger is released, helping limit continued operation between passes. Its 20-foot hose and 20.7-pound weight inform reach and handling. At 1700 PSI TruPressure and 1.2 GPM, it has less stated output than higher-pressure models in this group.

Skip it if you need higher stated pressure for demanding exterior cleaning; the Westinghouse WPX3000e lists 2600 rated PSI and a 25-foot hose.

This Kärcher suits homeowners who want certified output, a detergent tank, and foot-switch operation for general cleaning. Its 1700 PSI rating sets a clear output boundary, and the listing does not provide a roof-specific attachment or roof method.

Listed on Amazon as: Kärcher Pressure Washer K1700, CETA Certified, 3 Spray Nozzles, Detergent Tank, for Cars, Driveways, Siding, Patios, 1.2 max. GPM

#2 · Widest Spray Range

2. MZK Lightweight Washer

• Dimensions: 11.02"L x 7.68"W x 11.02"H
• Dimensions: 11.02"L x 7.68"W x 11.02"H

Best for: Adjustable-nozzle portable cleaner.

Why it ranks #2: Its adjustable nozzle spans four ranges through 60–120 degrees, offering broad spray choices, though the supplied data does not state its PSI.

A four-range adjustable nozzle lets the MZK shift from a narrow 0° spray to a broad 60°–120° pattern, enabling changes in coverage without swapping among separate tips. Its title also identifies a foam cannon, and the listing gives flow up to 2.0 GPM for outdoor cleaning tasks; it does not identify roof-specific equipment.

The 2.0 GPM maximum flow is presented for cleaning outdoor surfaces including driveways, patio furniture, and cars, so buyers can assess its stated water delivery against their workload. The adjustable ranges span concentrated and wide sprays, which can make changing coverage more straightforward during ground-level jobs. A foam cannon adds a detergent application option. Since no PSI figure or roof attachment appears in the supplied details, those omissions limit how confidently a buyer can assess roof suitability.

Skip it if you require a stated pressure rating before choosing a washer; the Kärcher K1700 lists 1700 PSI and three included nozzles.

This MZK suits buyers prioritizing adjustable spray coverage and foam application for listed outdoor surfaces. The supplied details do not establish pressure output or roof compatibility, so treat roof cleaning as an equipment-and-method decision rather than an assumed use.

Listed on Amazon as: MZK Lightweight Pressure Washer, Portable Power Cleaner with Foam Cannon

#3 · Compact Electric

3. Westinghouse ePX3100v

• Dimensions: 15"L x 8.5"W x 11"H
• Weight: 17.6 lb
• Dimensions: 15"L x 8.5"W x 11"H

Best for: Portable washer with foam cannon.

Why it ranks #3: Its 1800 rated PSI, 18-pound listed weight, and detachable foam cannon make it a portable, lower-pressure option among models with stated ratings.

The Westinghouse ePX3100v weighs 17.6 pounds and has a built-in carry handle, making it straightforward to carry between ground-level cleaning areas. A detachable foam cannon enables detergent application, while its 1800 rated PSI and 1.2 rated GPM provide stated operating figures for household exterior tasks.

Its compact 15-by-8.5-by-11-inch dimensions and carry handle support storage and movement, while the 20-foot easy-coil hose gives working reach from the unit. The detachable foam cannon applies detergent to listed surfaces such as decks, driveways, fencing, and patio furniture. A pro-style steel wand accompanies the three-nozzle set. The 1800 rated PSI and 1.2 rated GPM are useful comparison points, but no roof attachment or roof-cleaning method is specified.

Skip it if you want five nozzle choices including turbo; the Westinghouse ePX3500 includes five tips and a 17.5-inch extendable wand.

Choose the ePX3100v for portable ground-level cleaning where a carry handle and foam cannon are useful. Its three-tip set and lack of listed roof equipment are relevant boundaries when planning larger or elevated cleaning work.

Listed on Amazon as: Westinghouse ePX3100v Electric Pressure Washer, 2100 Max PSI 1.76 Max GPM, Built-in Carry Handle, Detachable Foam Cannon, Pro-Style Steel Wand, 3-Nozzle Set, for Cars/Fences/Driveways/Home/Patios

#4

4. Westinghouse ePX3500

• Dimensions: 13.5"L x 14"W x 16.5"H
• Weight: 19 lb
• Dimensions: 13.5"L x 14"W x 16.5"H

Best for: Compact electric roof-cleaning setup.

Why it ranks #4: It lists 2000 rated PSI and weighs 19 pounds, with a 25-foot hose and five nozzle choices for varied ground-level cleaning tasks.

A 19-pound frame standing just 16.5 inches tall makes the Westinghouse ePX3500 easier to move and store than a full-size washer. Its 17.5-inch extendable steel wand and five quick-connect tips provide spray choices for varied exterior tasks, though the listing does not identify a roof-cleaning attachment or endorse a roof method.

The 2000 rated PSI and 1.2 rated GPM describe its operating output more usefully than the higher maximum figures when planning a cleaning session. A 25-foot easy-coil hose gives reach from the machine, while four quick-lock wheels with 360-degree steering help reposition it across the ground. The soap tank and soap nozzle support detergent application, but no roof-specific accessory is listed; check the surface and safe application method before using pressure on roofing.

Skip it if you need a listed roof-cleaning attachment or a high-volume rinse; the Karcher K 2500 E lists 2,500 PSI but no roof tool either.

A homeowner wanting a compact electric washer for ground-level exterior work can make use of its wand, soap tank, and maneuverable chassis. For roof work, account for the missing roof-specific attachment and follow appropriate surface and access precautions.

Listed on Amazon as: Westinghouse ePX3500 Electric Pressure Washer, 2500 Max PSI 1.76 Max GPM with Anti-Tipping Technology, Onboard Soap Tank, Pro-Style Steel Wand, 5-Nozzle Set, for Cars/Fences/Driveways/Home/Patios

#5 · Induction Motor

5. Kärcher K 2500 E

• Dimensions: 22.9"L x 19.75"W x 37.6"H
• Dimensions: 22.9"L x 19.75"W x 37.6"H

Best for: Induction-motor heavy-duty electric.

Why it ranks #5: Its 2500 PSI and five-nozzle set offer more output and spray options, but the higher pressure calls for added caution on roof materials.

A quiet induction motor and 2500 PSI rating make the Kärcher K 2500 E a higher-output electric option for homeowners tackling grime on decks, patios, driveways, and siding. Its five-nozzle set supports changes in spray approach, while a rugged steel frame provides a stable upright structure for demanding residential use.

The induction motor is described as quieter and longer-lived than standard motors, a practical consideration for recurring residential cleaning. A five-nozzle set allows adjustments across different surfaces, and the steel frame protects components while keeping the machine upright during use. Its 22.9-by-19.75-by-37.6-inch dimensions are useful for storage planning. The listing states 2500 PSI but gives no GPM figure or roof-specific accessory, so buyers cannot assess flow or a dedicated roof setup from these details.

Skip it if you need a listed flow rate to compare rinse capacity; the Westinghouse WPX3000e specifies 1.1 rated GPM alongside its rated PSI.

This Kärcher suits homeowners seeking electric operation, an induction motor, and a steel-framed machine for demanding residential surfaces. Its listing omits GPM and roof-specific equipment, so confirm those practical requirements before planning roof work.

Listed on Amazon as: Kärcher Pressure Washer K 2500 E, CETA Certified, Induction Motor

#6

6. Sun Joe SPX3000

• Dimensions: 19.5"L x 15"W x 22"H
• Weight: 24.3 lb
• Dimensions: 19.5"L x 15"W x 22"H

Best for: Five-tip electric cleaning kit.

Why it ranks #6: The supplied specifications list five quick-connect nozzles, including 40-degree and soap options, but do not state a rated PSI for judging roof suitability.

Five quick-connect tips—0°, 15°, 25°, 40°, and soap—give the Sun Joe SPX3000 several listed spray choices for switching between cleaning and detergent application. Its electric format and supplied high-pressure hose and garden-hose adapter form a practical home-cleaning setup, though the provided product details do not specify a roof attachment.

The included 0°, 15°, 25°, and 40° tips offer different spray angles, while the soap tip supports detergent application without relying on a separate listed accessory. A high-pressure hose and female-coupler garden-hose adapter are part of the supplied components, and the needle clean-out tool offers a way to clear nozzle blockages. At 24.3 pounds and 19.5 by 15 by 22 inches, its listed size is relevant when planning storage and handling.

Skip it if you specifically want a turbo nozzle in the supplied set; the Westinghouse ePX3500 includes a turbo tip among its five nozzles.

The SPX3000 fits homeowners who value a varied tip set and supplied hose connection for general cleaning. Its listed components do not establish roof-specific reach or compatibility, and buyers seeking a turbo nozzle should choose a kit that includes one.

Listed on Amazon as: Sun Joe Pressure Washer, Electric Power Washer, 2500 Max PSI, SPX3000

#7

7. A-iPower E2800-FM

• Dimensions: 12.4"L x 11"W x 19.6"H
• Weight: 18.2 lb
• Dimensions: 12.4"L x 11"W x 19.6"H

Best for: Long-cord electric yard washer.

Why it ranks #7: Its 2000 rated PSI and five nozzles provide several spray choices, while the 25-foot hose is useful for ordinary outdoor cleaning.

A 35-foot power cord paired with a 25-foot pressure hose gives the A-iPower E2800-FM notable listed reach for yard and driveway cleaning. It delivers 2000 rated PSI and 1.2 rated GPM, with five nozzles including turbo; the product details do not identify a roof-cleaning attachment or roof-specific setup.

The long power cord and pressure hose can reduce how often the machine needs repositioning across a cleaning area, while its 18.2-pound weight is relevant for carrying and storage. Five tips—0°, 15°, 25°, 40°, and turbo—provide several spray choices, and soap dispensing adds a detergent option. Its listed 2000 rated PSI and 1.2 rated GPM are the operating figures to consider; the included nozzle-cleaning needle can help address a clogged tip.

Skip it if you prefer a foot switch and detergent nozzle for straightforward operation; the Kärcher K1700 lists both features and a 20-foot hose.

The A-iPower fits buyers who value extended cord and hose reach for yard or driveway jobs, plus several spray options. Its rated flow is 1.2 GPM, and no listed roof attachment resolves the separate needs of roof access and surface-safe application.

Listed on Amazon as: A-iPower Electric Pressure Washer 2800 Max PSI 1.7 Max GPM Follow Me

#8

8. Westinghouse WPX3000e

• Dimensions: 22.6"L x 25.6"W x 36.6"H
• Weight: 36.8 lb
• Dimensions: 22.6"L x 25.6"W x 36.6"H

Best for: Higher-output electric exterior washer.

Why it ranks #8: Its 2600 rated PSI and five quick-connect nozzles suit general exterior jobs, but that output is comparatively high for delicate roof surfaces.

The Westinghouse WPX3000e pairs 2600 rated PSI with a 25-foot abrasion-resistant hose, giving homeowners substantial listed pressure and a useful length for ground-level exterior cleaning. Its induction motor, onboard soap tank, and five-nozzle set add practical cleaning options, but the supplied listing does not include a roof-specific attachment.

The 1.1 rated GPM indicates its stated operating flow, while the 0°, 15°, 25°, soap, and turbo tips let users change spray style for different tasks. A .45-gallon soap tank supports detergent application without a separate tank, and the metal spray gun and wand connect to the 25-foot hose. Its 36.8-pound weight and 22.6-by-25.6-inch footprint matter when moving or storing it; no roof accessory or roof-safe procedure is specified.

Skip it if you need a washer that carries a roof-specific tool; the Westinghouse ePX3500 offers a more compact machine, though it also lists no roof attachment.

Choose this Westinghouse for residential exterior jobs where rated pressure, detergent delivery, and multiple nozzle choices matter. Its size and weight suit buyers with storage room, while roof use requires a separately established safe method and compatible equipment.

Listed on Amazon as: Westinghouse WPX3000e Electric Pressure Washer, 3000 Max PSI and 1.76 Max GPM, Induction Motor, Onboard Soap Tank, Spray Gun and Wand, 5 Nozzle Set, for Cars/Fences/Driveways/Homes/Patios/Furniture

#9

9. DeWalt DXPW3300-S

• Dimensions: 41"L x 21"W x 24"H
• Weight: 64 lb
• Dimensions: 41"L x 21"W x 24"H

Best for: Gas-powered residential exterior work.

Why it ranks #9: This gas washer delivers 3300 PSI at 2.4 GPM, substantially more output than the cautious electric options and little stated roof-specific control.

A 208cc DeWalt engine drives an axial cam pump rated at 3300 PSI and 2.4 GPM, giving this gas washer substantial stated output for decks, patios, siding, and exterior preparation. Its welded steel frame and thermal relief valve support durable operation, while its 64-pound weight and gas power shape transport and setup.

The 2.4 GPM flow and 3300 PSI rating provide a high-output combination for residential exterior jobs listed by the manufacturer. The low-oil shutdown and easy-start engine details address routine operation, and a thermal relief valve prevents overheating. A welded, powder-coated steel frame adds a durable structure, but the 41-by-21-by-24-inch dimensions and 64-pound weight call for space and effort when moving it. No roof-specific accessory or roof-safe guidance is supplied.

Skip it if you want a light electric washer for frequent repositioning; the Westinghouse ePX3100v weighs 17.6 pounds and has a built-in carry handle.

Pick the DeWalt for residential exterior work where gas power and its listed pressure and flow fit the job. Its substantial weight and dimensions matter for storage and transport, and the listing provides no dedicated roof-cleaning equipment.

Listed on Amazon as: DeWalt 3300 PSI Gas Pressure Washer, 2.4 GPM, Residential Model DXPW3300-S

#10 · Highest Flow

10. Westinghouse WPX3400

• Dimensions: 19"L x 18.5"W x 21.7"H
• Weight: 28.6 kg
• Dimensions: 19"L x 18.5"W x 21.7"H

Best for: High-flow gas exterior washer.

Why it ranks #10: Its 3400 PSI and 2.6 GPM are the highest stated output here, making it least suited to a cautious roof-cleaning shortlist.

The Westinghouse WPX3400 combines 3400 PSI with 2.6 GPM, a high-flow specification set for listed jobs such as siding, decks, fences, and exterior walls. Its half-gallon onboard soap tank and five quick-connect nozzles support detergent and spray changes, while gas power means it must be operated outdoors.

The 2.6 GPM flow and 3400 PSI rating suit buyers comparing output for substantial exterior cleaning, while the 25-foot abrasion-resistant hose provides working reach. A half-gallon soap tank and included 0°, 15°, 25°, 40°, and soap tips support detergent application and varied spray angles. Its gas engine and 28.6-kilogram listed weight matter for setup and handling; the safety information prohibits indoor or enclosed-space operation, and no roof-specific tool is listed.

Skip it if you need an electric washer for enclosed-area convenience; the Kärcher K 2500 E is electric, though it still requires appropriate outdoor cleaning practices.

The WPX3400 suits buyers seeking gas-powered output and detergent capacity for listed exterior surfaces. Its gas operation requires outdoor use, and its substantial weight and lack of a listed roof tool should factor into setup planning.

Listed on Amazon as: Westinghouse WPX3400 Gas Pressure Washer, 3400 PSI and 2.6 GPM, Onboard Soap Tank, Spray Gun and Wand, 5 Nozzle Set, for Cars/Fences/Driveways/Homes/Patios/Furniture