Greenworks 1500 PSI 1.2 GPM Pressure Washer or Greenworks 1800 PSI 1.2 GPM Pressure Washer? Which Greenworks Model to Buy
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This greenworks 1500 psi 1 2 gpm pressure washer vs 1800 psi 1 2 gpm comparison helps you pick the right tool. Both models deliver 1.2 GPM flow and carry PWMA certification. The main difference lies in pressure output and physical design. One is a compact upright unit, while the other uses an open frame. You need to decide which form factor and power level fit your cleaning tasks best.
Key differences
| Aspect | Greenworks 1500 PSI Upright Electric Pressure Washer | Greenworks 1800 PSI Open Frame Pressure Washer |
|---|---|---|
| Maximum Pressure | 1500 PSI | 1800 PSI |
| Flow Rate | 1.2 GPM | 1.2 GPM |
| Design | Upright Hand-Carry | Open Frame |
| Hose Length | 20 ft | not listed |
| Power Cord | 35 ft with inline GFCI | not listed |
| Weight | 12 pounds | 23.2 pounds |
Which one should you choose?
Choose Greenworks 1500 PSI Upright Electric Pressure Washer if
- You want a lighter, more portable unit that weighs only 12 pounds.
- You need a longer 35-foot power cord for extended reach.
- You prefer a compact upright design for easier storage.
Choose Greenworks 1800 PSI Open Frame Pressure Washer if
- You need higher pressure at 1800 PSI for tougher grime.
- You are okay with a heavier 23.2-pound machine for stability.
- You do not require a listed hose length in your initial check.
Verdict: The 1500 PSI upright model suits those prioritizing portability and included accessories like a long cord. The 1800 PSI open frame model offers more cleaning power for heavier duty tasks. Choose based on whether you value weight savings or extra pressure.
Greenworks 1500 vs 1800 PSI Comparison
Maximum pressure output
The Greenworks 1800 PSI Open Frame model delivers 1800 PSI of cleaning power, while the 1500 PSI Upright model provides 1500 PSI. Both units share the same 1.2 GPM flow rate, meaning water volume is identical. The 300 PSI difference in the 1800 PSI model offers stronger impact on stubborn grime. You will notice this extra force when cleaning dense dirt from concrete or painted wood. The 1500 PSI unit remains sufficient for lighter tasks like patio furniture or cars. If your surfaces require more aggressive cleaning, the higher pressure spec of the 1800 PSI version gives you a clear advantage in tackling tough stains.
Physical dimensions and footprint
Size matters for storage and maneuverability. The 1500 PSI Upright model measures 18.5 inches in length, 10.3 inches in width, and 8.74 inches in height. It is compact and designed to stand vertically or lie horizontally. In contrast, the 1800 PSI Open Frame model is taller at 31.7 inches, with a length of 13.6 inches and a width of 19.7 inches. The upright design of the 1500 PSI model saves floor space in a garage or shed. The open frame style of the 1800 PSI model takes up more vertical space. You should choose based on your available storage area and how you plan to position the machine.
Weight and portability
Weight affects how easy it is to move the unit around your property. The 1500 PSI Upright model weighs 12 pounds, making it very light. You can carry it easily with the hand-carry design. The 1800 PSI Open Frame model weighs 23.2 pounds, nearly double the weight of the lighter unit. This added weight comes from the more robust frame and motor capable of higher pressure. If you need to carry the pressure washer up stairs or across a large yard, the 1500 PSI model is significantly easier to handle. For stationary use near a water source, the extra weight of the 1800 PSI model may not matter as much.
Hose and cord length
Reach is determined by hose and cord length. The 1500 PSI Upright model includes a 20-foot pressure hose and a 35-foot power cord with an inline GFCI. This setup provides good reach for most residential tasks. The 1800 PSI Open Frame model data does not list specific hose or cord lengths. Without this information, you cannot compare reach capabilities directly. You should check the packaging or product listing for the 1800 PSI model's accessories before buying. If the 1500 PSI model's 20-foot hose and 35-foot cord meet your needs, it offers a complete package. The lack of listed specs for the 1800 PSI model makes a direct comparison difficult here.
Nozzle and soap features
Cleaning versatility depends on included accessories. The 1500 PSI Upright model comes with two nozzle tips and an attachable detergent bottle. It also features a soap applicator for applying cleaner to surfaces. This allows you to switch between spray patterns and treat surfaces with soap before rinsing. The 1800 PSI Open Frame model mentions a perfect nozzle for every surface but does not specify the count or include details about a detergent bottle or soap applicator. The 1500 PSI model offers more defined features for varied cleaning jobs. You get explicit tools for applying soap and multiple spray options with the 1500 PSI unit.
Which Greenworks Pressure Washer Is Right For You
You need a lightweight, portable unit for tight spaces
The 1500 PSI upright model weighs only 12 pounds. Its compact dimensions of 10.3 by 8.74 by 18.5 inches make it easy to carry. You can use it vertically or horizontally for stability. The included 35-foot power cord and 20-foot hose provide good reach without adding bulk to your setup.
You want higher pressure for tougher cleaning jobs
This open frame model delivers 1800 PSI, which is 300 PSI more than the other option. The flow rate remains 1.2 GPM, so you get more force with the same water volume. This extra pressure helps blast away stubborn grime and dirt from hard surfaces more effectively than the lower-pressure alternative.
You prefer a unit with included accessories and warranty
The 1500 PSI model comes with a soap applicator, two nozzle tips, and an attachable detergent bottle. It also includes a three-year warranty. These features provide immediate utility for various cleaning tasks. The open frame model does not list these accessories or warranty terms in its published specifications.
The products compared
Greenworks 1500 PSI Upright Electric Pressure Washer
Best for: light cleaning and easy storage
- Maximum Pressure
- 1500 PSI
- Flow Rate
- 1.2 GPM
- Hose Length
- 20 ft
- Nozzle Count
- 2
- Dimensions
- 18.5 × 10.3 × 8.74 inches
- Weight
- 12 pounds
View on Amazon: Greenworks 1500 PSI Upright Electric Pressure Washer Affiliate link
This Greenworks model delivers 1500 PSI and 1.2 GPM for cleaning tasks. It features a 20 ft hose and 35 ft cord for reach. The upright design weighs 12 pounds and includes two nozzle tips. It is PWMA certified for quality. You should choose this if you need a lightweight, compact unit for light to medium duty jobs around your home.
Pros
- 1500 PSI and 1.2 GPM output
- Lightweight 12-pound upright design
- 20 ft pressure hose and 35 ft cord
- PWMA certified quality
- Includes soap applicator and two nozzle tips
Cons
- Lower 1500 PSI pressure compared to 1800 PSI alternative
- Shorter 20 ft hose limits reach
- Only two nozzle tips included
Good fit if
- You want a lightweight unit for easy carrying
- You have light cleaning tasks like patios or cars
- You need a compact upright design for storage
Skip if
- You need higher pressure for heavy grime
- You require a longer hose for large areas
- You prefer a standard frame design
Verdict: Greenworks 1500 PSI Upright Pressure Washer is a compact, lightweight option for light cleaning tasks. You will like it if you prioritize portability and easy storage over raw power.
Greenworks 1800 PSI Open Frame Pressure Washer
Best for: Moderate home cleaning tasks
- Maximum Pressure
- 1800 PSI
- Flow Rate
- 1.2 GPM
- Dimensions
- 13.6 × 19.7 × 31.7 inches
- Weight
- 23.2 pounds
View on Amazon: Greenworks 1800 PSI Open Frame Pressure Washer Affiliate link
This Greenworks pressure washer delivers 1800 PSI and 1.2 GPM. It is PWMA certified for performance standards. The open-frame design measures 19.7 by 13.6 by 31.7 inches. It weighs 23.2 pounds for easy handling. You get a perfect nozzle for every surface. This model suits users needing moderate power for home cleaning tasks.
Pros
- 1800 PSI maximum pressure
- 1.2 GPM flow rate
- PWMA certified quality
- Includes perfect nozzle for every surface
Cons
- Open-frame design offers less protection
- 23.2 pounds may feel heavy for some
- No onboard storage for accessories
Good fit if
- You need PWMA certified reliability
- You want a moderate 1800 PSI output
- You prefer an open-frame design
Skip if
- You require high-pressure cleaning above 2000 PSI
- You need a wheeled cart for transport
- You want a compact upright hand-carry style
Verdict: Greenworks 1800 PSI Pressure Washer provides solid 1800 PSI cleaning power for homeowners. It fits those who value PWMA certification and moderate flow rates for standard yard work.
Specifications side by side
| Spec | Greenworks 1500 PSI Upright Electric Pressure Washer | Greenworks 1800 PSI Open Frame Pressure Washer |
|---|---|---|
| Maximum Pressure | 1500 PSI | 1800 PSI |
| Flow Rate | 1.2 GPM | 1.2 GPM |
| Hose Length | 20 ft | not stated |
| Nozzle Count | 2 | not stated |
| Pressure | 1500 PSI | 1800 PSI |
| Dimensions | 18.5 × 10.3 × 8.74 inches | 13.6 × 19.7 × 31.7 inches |
| Weight | 12 pounds | 23.2 pounds |
| Size | 1500 PSI (Upright) | not stated |
| Color | 1500PSI | 1800PSI |
| Model | GPW1501 | 5124102 |
Frequently asked questions
Is the Greenworks 1500 PSI upright model suitable for cleaning decks?
Yes, the 1500 PSI upright model works well for light cleaning tasks on decks. It delivers 1500 PSI of pressure and 1.2 GPM of flow. This combination removes surface dirt without damaging wood fibers. Its compact size allows you to maneuver around furniture easily. The 12-pound weight makes lifting it onto a deck simple.
How much heavier is the 1800 PSI model compared to the upright version?
The 1800 PSI open frame model weighs 23.2 pounds. The upright 1500 PSI model weighs just 12 pounds. This means the open frame unit is 11.2 pounds heavier. The additional weight comes from its more robust open frame construction. You will notice the difference when moving the machine between rooms.
Can I store the Greenworks 1500 PSI pressure washer in a small closet?
Yes, the upright model is designed for easy storage in tight spaces. It measures 18.5 inches in length, 10.3 inches in width, and 8.74 inches in height. These small dimensions allow it to fit into standard closets or under stairs. The upright design also helps keep the cord and hose organized vertically.
Does the 1800 PSI model have a higher flow rate than the 1500 PSI?
No, both models share the same 1.2 GPM flow rate. The difference lies in the pressure output. The 1800 PSI model provides more force, while the 1500 PSI model offers less. Since the water volume is identical, cleaning speed for rinsing remains similar. You get more scrubbing power with the higher PSI unit.
Which Greenworks pressure washer is better for washing a car?
The 1500 PSI upright model is often better for washing cars. Its lower pressure is gentle on paint and clear coats. The 1.2 GPM flow rate rinses soap effectively without stripping wax. The lightweight design lets you carry it to your driveway easily. The 1800 PSI model may be too aggressive for delicate automotive surfaces.
What is the model number for the Greenworks 1500 PSI upright washer?
The model number for the Greenworks 1500 PSI upright washer is GPW1501. This specific identifier helps you find the correct parts and accessories. It distinguishes this upright unit from other Greenworks pressure washers. You can use this number to verify the exact specifications when purchasing replacement nozzles or wands.
Is the 1800 PSI model portable enough for balcony cleaning?
The 1800 PSI model is less portable due to its size and weight. It weighs 23.2 pounds and stands 31.7 inches tall. The upright 1500 PSI model is much easier to carry on a balcony. Its 12-pound weight and compact height make it safer for elevated spaces. You can lift the lighter model with one hand if needed.