How to Choose Commercial Laundry Equipment

Buying commercial laundry equipment is a significant investment. Get it wrong and you're managing breakdowns, slow turnaround, compliance gaps, and hidden repair costs for years. Get it right and the machine becomes invisible — it just works. Here's what to look for.

Capacity: Kg Per Cycle vs Throughput Per Day

A machine's capacity is listed in kilograms — typically 6 kg, 8 kg, 12 kg, or more. But capacity alone doesn't tell you what you need. You also need to know your daily throughput.

If you manage a care home with 50 residents, you might generate 80–120 kg of linen per day (bedding, clothing, towels). A 12 kg machine running 10 cycles per day gives you 120 kg throughput. That works. A 6 kg machine running 10 cycles gives you 60 kg — you're undercapacity and linen piles up.

Calculate your weekly linen volume, divide by 5 days, then work backwards to find cycle capacity and runs-per-day that match your workflow. Don't guess. Count soiled linen for a week if you're unsure.

Spin Speed and G-Factor: Why It Matters

Spin speed is measured in revolutions per minute (RPM) and affects two things: how much water is extracted and how quickly linen dries.

Higher RPM = more water removed = shorter dryer cycles = lower energy cost. A commercial Miele washer might spin at 1,400 RPM; a budget semi-commercial machine might spin at 800 RPM. The difference is dramatic. Linen spun at 1,400 RPM dries 40–50% faster than linen spun at 800 RPM.

The technical measure is G-factor, which accounts for drum diameter and RPM. You don't need to calculate it, but when comparing two machines, ask the supplier: "What's the G-factor?" Higher G-factor (typically 600–850 G for commercial machines) means better water extraction and faster drying.

Heating Type: Electric vs Gas

Commercial washers heat water via electric immersion heaters or gas burners. The choice depends on your energy costs and site setup.

• Electric:Simpler installation, no gas safety inspection required, slower to reach temperature (15–20 minutes). Good if gas isn't available or energy costs favour electricity.

• Gas:Faster heat-up (10–12 minutes), lower cost per degree if you have good gas rates, requires Gas Safe Registered engineer for installation and maintenance. Common in larger facilities.

Ask your energy supplier for the cost per kWh (electric) and cost per unit (gas) in your area. Calculate the cost to heat 100 litres of water from 15°C to 71°C under each option. The answer often surprises you.

Cycle Times: Wash, Rinse, Spin

A commercial cycle shouldn't take much more than 45 minutes start to finish. If a machine's fastest hot wash is 60+ minutes, you're looking at slow throughput, lower daily capacity, and higher labour cost waiting for linen.

Programmable machines let you adjust cycle times for different loads. A light towel wash might be 25 minutes; a heavily soiled hospital linen wash might be 45 minutes. Avoid fixed-cycle machines where you can't tailor times to your actual needs.

Build Quality and Manufacturer Support

A commercial washing machine from a tier-1 manufacturer (like Miele) is engineered to run 5–10 cycles per day, every day, for 10+ years. Stainless steel drum, heavy-duty motor, sealed bearings, commercial-grade valve block.

A semi-commercial machine from a budget supplier might have a plastic drum seal, a motor not rated for continuous duty, and an aluminium component that corrodes. It'll fail after 3–4 years and parts will be hard to source.

Ask the supplier:

• What's the motor duty rating? (Continuous, intermittent, light-duty?)

• How long is the manufacturer warranty?

• Can parts be sourced locally or is it 6-week lead time from Europe?

• Does the manufacturer offer a service network in your region?

Approved Partner Status and Compliance

If you're buying for a care home, hospital, or any regulated setting, check that your supplier is an Approved Partner for the machine brand. Miele, for example, has a partner network. An Approved Partner can certify the machine meets compliance standards (HTM 01-04, WRAS, etc.) and provide proper commissioning documentation.

A discount supplier who drops a machine at your door and plugs it in won't give you the paperwork you need for CQC or regulatory inspection.

Commissioning: Don't Skip It

When your new machine arrives, commissioning is critical. A proper commissioning visit includes:

• Temperature verification (checking the drum reaches its set temperature)

• Water pressure test (ensuring mains supply is adequate)

• Drainage test (confirming the outlet pipe is correctly installed)

• Calibration of sensors and timers

• Staff training on the control panel and standard programmes

• Documentation (certificates, compliance records, manuals)

Cheap suppliers skip commissioning. Proper suppliers don't. Budget for it.

A Practical Decision Checklist

• Volume:Calculate daily linen weight. Choose capacity and cycles-per-day that cover it with headroom.

• Speed:Ask for G-factor. Aim for 700+ G for commercial duty.

• Heat:Compare electric vs gas cost per cycle in your region. Factor in installation cost.

• Cycle time:Ensure fastest cycle is under 45 minutes.

• Build:Stainless steel drum, industrial motor, sealed bearings, local parts availability.

• Compliance:Buy from an Approved Partner. Get commissioning. Collect all documentation.

• Support:Confirm manufacturer warranty and local service network availability.

Frequently Asked Questions

Should I buy the largest capacity machine available?

Not necessarily. A 20 kg machine costs more to buy and run than a 12 kg machine. If your daily volume is 100 kg, a 12 kg machine doing 9 cycles covers it. An oversized machine wastes energy and space. Right-size based on your actual throughput.

Can I use a domestic washing machine for commercial laundry?

No. Domestic machines aren't rated for continuous duty (more than a few cycles per day). They'll fail quickly under commercial use, won't reach compliance temperatures reliably, and parts won't be available. A commercial machine is non-negotiable.

What's the difference between a washer and a washer-dryer combination?

A combination unit washes and dries in one drum, saving space. But cycle times are longer (drying adds 30–60 minutes) and you can't start the next wash while the current load dries. Separate wash and dry machines give better throughput. Combinations suit smaller sites with low volume.

How do I know if a machine is truly commercial-grade?

Look for continuous duty rating on the motor, stainless steel construction, sealed bearings, an Approved Partner supplier, and a manufacturer warranty of 3+ years. Budget suppliers often hide the motor rating or list it as "intermittent." Ask directly.

Talk to us about your site's setup

Washworks advises care homes, hospitals, and FM companies on equipment choice, installation, and compliance. We're Miele Approved Partners across the East Midlands.