How to Buy a Pressure Washer
This short guide helps you choose the right pressure washer quickly. It covers the key things to check, the main types available, must-have features and where to buy so you can act with confidence.
Key factors to consider
- Pressure (bar): gives the force. For light cleaning aim for around 120 to 135 bar. For tougher grime choose 150 bar or more.
- Flow rate (l/h): determines how quickly dirt is rinsed away. Around 400 to 450 l/h is fine for small to medium jobs. For larger areas consider 500 l/h plus.
- Power and build: mains electric motors commonly sit between 1 800 W and 2 200 W. Higher power helps under continuous use.
- Practical matters: hose length, weight and wheels affect reach and portability. Many machines come with 6 to 10 metre hoses and integral storage for gun and cable.
- Noise and neighbours: quieter technology can reduce perceived noise by up to half, useful in shared housing areas.
Types available
- Compact domestic electric: small, light, easy to store and quiet. Best for cars, garden furniture and light patios.
- Trolley style mid-range: larger unit with wheels, longer hose and more accessories. Good for regular home use on patios and paving.
- High-power home models: higher pressure and flow, metal fittings, foam cannon or detergent systems included. Choose this for larger drives, boat hulls and intensive cleaning.
- Entry budget units: low cost with basic accessories. They work, but check build quality and included hose length carefully.
Important features and specifications to check
- Pressure and flow together: a high bar number alone is not enough. Aim for a balance that matches the job.
- Nozzle types: adjustable or multiple quick-connect nozzles (for fan, rotary, point) make the tool versatile. A dirt blaster or turbo lance helps remove stubborn grime.
- Detergent and foam option: an onboard detergent bottle or foam cannon is important for car washing.
- Water supply flexibility: ability to draw from tap and bucket increases flexibility.
- Auto-stop / pump protection: a system that stops the pump when the trigger is released prolongs pump life and saves energy.
- Materials and connectors: metal or brass fittings are more durable than cheap plastics.
- Hose length and storage: 6 to 10 metre hoses are common; built-in hose and cable storage keeps things tidy.
- Warranty and support: short warranty and responsive support reduce long term risk. Check spare part availability.
Where to buy, mistakes to avoid and expert tips
- Compare what is included: the cheapest unit may not include a hose, lance or foam cannon. Factor the cost of extras in.
- Do not buy on peak pressure alone: choose the combination of pressure, flow and the right nozzles for the job.
- Watch hose length: a short hose forces you to use extension leads or move the machine repeatedly.
- Prioritise durability: metal connectors, a good gun and a reliable pump reduce problems later.
- Consider noise and storage: if you have close neighbours or limited space, pick a quiet, compact model with tidy storage options.
- Test return and warranty terms before you buy online and keep the receipt and serial number.
- Practical recommendation: for occasional car and patio cleaning choose a compact unit around 120 to 135 bar with a 400 to 450 l/h flow. For frequent cleaning of driveways or larger areas choose 150 bar plus and a higher flow rate, bundled with a foam system and durable fittings.
Final Thoughts
Decide first what you will clean most often, then choose a machine that balances pressure and flow with good nozzles and durable fittings. Check hose length, storage, safety features and warranty before you buy. With those items in place you will pick a pressure washer that does the job and lasts.











