Carpet Cleaning Guides
Professional Carpet Cleaning Methods Explained
Not all professional carpet cleaning is the same process — the method matters as much as the company. Here's what actually happens during a visit, and why one method in particular is what manufacturers recommend.
Hot water extraction
Often called "steam cleaning," though no actual steam is involved — hot water and a cleaning solution are injected into the carpet under pressure, then immediately extracted back out with powerful suction, pulling dirt, allergens and moisture with it. This rinse-and-recover process is why most carpet manufacturers recommend it as the standard for deep cleaning: it removes more embedded dirt than other methods and leaves less residue behind.
Truck-mounted equipment has stronger suction than portable units, which also means faster drying — a well-executed extraction with good equipment typically dries in a reasonable timeframe, not the lengthy wait people sometimes expect.
Shampooing
An older method where a cleaning solution is worked into the carpet, often with a rotary machine, creating foam that's left to dry before being vacuumed away. It can genuinely improve appearance in the short term, but it's the method most likely to leave a residue behind — and that residue is exactly why carpets sometimes seem to get dirty again faster after a shampoo clean than after other methods. Dirt sticks to the leftover residue rather than the clean fibres underneath.
Dry & low-moisture cleaning
Also called encapsulation or bonnet cleaning, this method uses minimal water and a chemical solution that surrounds dirt particles so they can be vacuumed away rather than rinsed out. It dries much faster than hot water extraction — often within an hour — which makes it useful for spot treatment or a quick refresh in high-traffic areas, but it doesn't reach as deep into the pile as extraction does.
What to expect during a visit
Most professional cleaners will ask you to clear the room of small items and move any furniture you can beforehand, though a good team will typically move larger pieces themselves. Delicate items, electronics and anything you don't want to risk getting damp are worth setting aside in advance. Pets are usually best kept in a separate room, particularly during hot water extraction where equipment and cables are in use.
Ask specifically which method will be used and why — a reputable company will explain their choice based on your carpet's fibre type and condition rather than defaulting to whatever's quickest for them.
The right method, matched to your carpet
We assess fibre type and condition before choosing a method — hot water extraction as standard, with 30% off when booked alongside your end of tenancy clean.
Frequently Asked Questions
Which carpet cleaning method is actually best?
Hot water extraction is what most carpet manufacturers recommend for deep cleaning — it removes more embedded dirt and leaves less residue than shampooing.
Why does my carpet seem to get dirty faster after shampooing?
Shampooing can leave a residue behind if not fully extracted, and dirt sticks to that residue more readily than to clean fibres — creating the impression the carpet gets dirty unusually fast.
How long does hot water extraction take to dry?
With good truck-mounted equipment and strong suction, drying is typically faster than people expect — though it still takes longer than dry or low-moisture methods, which can dry within an hour.
Should I ask which cleaning method will be used?
Yes. A reputable company should be able to explain their choice of method based on your carpet's fibre type and condition, not just default to whichever is fastest for them.
Do I need to move furniture before a carpet cleaning visit?
Clearing small items is usually expected of you, but a good team will typically move larger furniture themselves as part of the service.