Greenworks 1500 PSI 1.2 GPM Pressure Washer vs Greenworks 1800 PSI: Spec Comparison
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This comparison covers the greenworks 1500 psi 1 2 gpm pressure washer vs 1800 psi model. Both units are PWMA certified electric pressure washers designed for residential use. They share a 20-foot hose and a 35-foot power cord with an inline GFCI plug. The main difference lies in their cleaning power. One offers higher pressure, while the other provides a slightly higher flow rate. You need to weigh these specs against your specific cleaning tasks.
Key differences
| Aspect | Greenworks 1500 PSI Upright Electric Pressure Washer | Greenworks 1800 PSI Electric Pressure Washer |
|---|---|---|
| Maximum Pressure | 1500 PSI | 1800 PSI |
| Flow Rate | 1.2 GPM | 1.1 GPM |
| Nozzle Count | 2 | 2 |
| Hose Length | 20 ft | 20 ft |
| Power Cord | 35 ft | 35 ft |
| Weight | 12 pounds | 16 pounds |
Which one should you choose?
Choose Greenworks 1500 PSI Upright Electric Pressure Washer if
- You need the higher flow rate to rinse surfaces faster
- You prefer a lighter unit that is easier to carry
- You want to use the pressure washer in a vertical position for stability
Choose Greenworks 1800 PSI Electric Pressure Washer if
- You require higher pressure for tougher grime on decks or driveways
- You want a turbo nozzle for heavy-duty cleaning tasks
- You do not mind a slightly heavier machine for more power
Verdict: Choose the 1500 PSI model if you prioritize flow rate and portability for light to medium jobs. Pick the 1800 PSI version if you need more pressure to tackle stubborn dirt on hard surfaces. Both are reliable electric options with similar accessories and safety features.
Pressure Washer Spec Comparison
Maximum Pressure
The Greenworks 1800 PSI Electric Pressure Washer delivers 1800 PSI of maximum pressure. This unit is model 5110202. The Greenworks 1500 PSI Upright Electric Pressure Washer provides 1500 PSI. This unit is model GPW1501. Higher pressure generally means more force to remove stubborn dirt. You will notice a difference in cleaning power on tough grime. The 1800 PSI model has the advantage here. It offers more cleaning force for heavy-duty tasks. The 1500 PSI model is sufficient for lighter jobs. You should choose based on the dirt level you face.
Flow Rate
Flow rate measures how much water moves through the nozzle. The Greenworks 1500 PSI Upright Electric Pressure Washer has a flow rate of 1.2 GPM. The Greenworks 1800 PSI Electric Pressure Washer has a flow rate of 1.1 GPM. A higher flow rate rinses away debris faster. It also helps soap penetrate surfaces more effectively. The 1500 PSI model moves more water per minute. This makes it better for rinsing large areas quickly. The 1800 PSI model has less water flow. You might need to spend more time rinsing. The 1500 PSI model wins on water volume.
Nozzle Count
The number of nozzles affects how you adjust spray patterns. The Greenworks 1500 PSI Upright Electric Pressure Washer includes 2 nozzle tips. The Greenworks 1800 PSI Electric Pressure Washer includes a 40-degree nozzle and a turbo nozzle. This means it also has 2 nozzles. Both units provide two distinct spray options. One is for gentle cleaning and the other for heavy duty. The 1800 PSI model specifies a turbo nozzle for aggressive cleaning. The 1500 PSI model lists general tips. Both offer similar versatility. You get two spray patterns with either choice.
Hose Length
Hose length determines your reach without moving the machine. Both the Greenworks 1500 PSI Upright Electric Pressure Washer and the Greenworks 1800 PSI Electric Pressure Washer come with a 20-foot hose. This length is standard for residential units. It allows you to clean driveways and patios from one spot. You do not need to reposition the washer often. The reach is identical for both models. You will not gain or lose mobility by choosing one over the other. The hose length is a tie between the two units.
Build and Size
The physical size affects storage and portability. The Greenworks 1500 PSI Upright Electric Pressure Washer weighs 12 pounds. Its dimensions are 18.5 inches long, 10.3 inches wide, and 8.74 inches high. The Greenworks 1800 PSI Electric Pressure Washer weighs 16 pounds. Its dimensions are 10.6 inches long, 9.06 inches wide, and 12.8 inches high. The 1500 PSI model is lighter and easier to carry. The 1800 PSI model is taller but narrower. The 1500 PSI model is better for carrying up stairs. The 1800 PSI model may fit better in tight spaces.
Which Greenworks model fits your needs
Users needing higher pressure for tough stains
The 1800 PSI model delivers more force than the 1500 PSI unit. This extra pressure helps blast away stubborn grime from decks or driveways. It includes a turbo nozzle for heavy-duty cleaning tasks. If you prioritize raw cleaning power over flow rate, this specification makes it the better choice for demanding residential projects.
Buyers prioritizing water flow for faster rinsing
This upright model offers 1.2 GPM, which is higher than the 1.1 GPM flow rate of the 1800 PSI version. More water volume helps rinse surfaces faster and covers more area per minute. The upright design also provides stability for vertical storage. If you prefer a quicker rinse cycle, this flow rate specification suits you best.
Shoppers wanting a compact and lightweight unit
The 1500 PSI upright model weighs only 12 pounds, making it lighter than the 16-pound 1800 PSI unit. It also has a smaller footprint with a width of 10.3 inches. This compact size makes it easier to carry and store in tight spaces. If portability and small storage dimensions matter to you, this lighter spec is ideal.
The products compared
Greenworks 1500 PSI Upright Electric Pressure Washer
Best for: stable, certified light cleaning tasks
- 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 pressure washer delivers 1500 PSI and 1.2 GPM for effective surface cleaning. Its upright design allows vertical or horizontal use for stability. You get a 20-foot hose and a 35-foot power cord with an inline GFCI. The unit includes two nozzle tips and a soap applicator. It is PWMA certified and weighs 12 pounds. This model suits users needing reliable, portable cleaning power.
Pros
- 1.2 GPM flow rate for efficient rinsing
- 20-foot pressure hose for extended reach
- 35-foot power cord with inline GFCI
- Upright design for stable operation
- PWMA Certified for quality assurance
Cons
- 1500 PSI is lower than the 1800 PSI competitor
- 20-foot hose is shorter than standard 25-foot options
- Only two nozzle tips included
Good fit if
- You need a stable, upright design for delicate surfaces
- You prefer a higher flow rate of 1.2 GPM
- You want PWMA certification for peace of mind
Skip if
- You require maximum pressure for heavy-duty jobs
- You need a longer hose without extensions
- You prefer a standard horizontal footprint
Verdict: Greenworks 1500 PSI 1.2 GPM Upright offers a balanced mix of flow and pressure for light to medium cleaning tasks. It fits users who value stability and certified performance over raw power.
Greenworks 1800 PSI Electric Pressure Washer
Best for: Light residential cleaning tasks
- Maximum Pressure
- 1800 PSI
- Flow Rate
- 1.1 GPM
- Power Source
- Electric
- Hose Length
- 20 FT
- Color
- Green
- Dimensions
- 10.6 × 9.06 × 12.8 inches
View on Amazon: Greenworks 1800 PSI Electric Pressure Washer Affiliate link
This Greenworks unit delivers 1800 PSI and 1.1 GPM for light residential tasks. It features a 20-foot tangle-free hose and a 35-foot power cord with an integrated GFCI plug. The electric motor requires no gas or oil. Weighing 16 pounds, it includes a turbo nozzle and soap applicator. It suits buyers needing a simple, corded solution for patios, vehicles, and furniture.
Pros
- 1800 PSI output for effective cleaning
- 20-foot tangle-free hose included
- 35-foot power cord with GFCI safety plug
- Includes turbo nozzle and soap applicator
- Lightweight 16-pound design for easy carrying
Cons
- Lower flow rate of 1.1 GPM compared to the 1.2 GPM competitor
- Shorter 20-foot hose length versus the competitor's 35-foot cord
- Corded electric design limits mobility without an outlet
Good fit if
- You need a lightweight machine for occasional use
- You prefer electric power over gas maintenance
- You want a GFCI plug for added safety
Skip if
- You require high flow rates for heavy-duty jobs
- You need a longer hose for large areas
- You want a gas-powered engine for remote locations
Verdict: Greenworks 1800 PSI Electric Pressure Washer offers reliable electric performance with a GFCI plug. It fits homeowners who value low maintenance and portability for small jobs.
Specifications side by side
| Spec | Greenworks 1500 PSI Upright Electric Pressure Washer | Greenworks 1800 PSI Electric Pressure Washer |
|---|---|---|
| Maximum Pressure | 1500 PSI | 1800 PSI |
| Flow Rate | 1.2 GPM | 1.1 GPM |
| Power Source | not stated | Electric |
| Hose Length | 20 ft | 20 FT |
| Nozzle Count | 2 | not stated |
| Pressure | 1500 PSI | 1800 PSI |
| Color | 1500PSI | Green |
| Dimensions | 18.5 × 10.3 × 8.74 inches | 10.6 × 9.06 × 12.8 inches |
| Weight | 12 pounds | 16 pounds |
| Size | 1500 PSI (Upright) | 1800 PSI |
| Model | GPW1501 | 5110202 |
Frequently asked questions
Which Greenworks pressure washer is better for cleaning a wooden deck?
The Greenworks 1800 PSI model is better for wooden decks. It delivers 1800 PSI of pressure, which helps blast away stubborn grime and dirt more effectively than the 1500 PSI unit. The higher force is useful for restoring wood surfaces without excessive scrubbing.
How much does the 1500 PSI model weigh?
The Greenworks 1500 PSI Upright Electric Pressure Washer weighs 12 pounds. This makes it lighter and easier to carry around your yard compared to the 1800 PSI model, which weighs 16 pounds. The lower weight aids in portability for small jobs.
What is the flow rate of the 1500 PSI model?
The Greenworks 1500 PSI model has a flow rate of 1.2 GPM. This balance of flow and pressure suits light to medium cleaning tasks. It provides steady water output for rinsing without requiring the higher pressure of the 1800 PSI variant.
Are both models certified for safety and performance?
Yes, both units are PWMA certified electric pressure washers. This certification ensures they meet specific standards for performance and safety. You can trust that both the 1500 PSI and 1800 PSI models have been verified for residential use reliability.
Which model is more compact for storage?
The Greenworks 1500 PSI model is more compact. It measures 18.5 inches in length and 10.3 inches in width. The 1800 PSI model is slightly wider at 9.06 inches but taller at 12.8 inches. The 1500 PSI upright design fits well in tight spaces.
Does the 1800 PSI model include a turbo nozzle?
Yes, the Greenworks 1800 PSI Electric Pressure Washer includes a turbo nozzle. This attachment concentrates the water stream to increase cleaning power on tough stains. It is useful for heavy-duty tasks like driveway cleaning where extra force is needed.
What power source do these pressure washers use?
Both pressure washers use electric power. They come with a 35-foot power cord that features an inline GFCI plug for safety. This design ensures reliable operation while protecting you from electrical hazards during outdoor cleaning tasks.

