When it comes to professional carpet cleaning, you'll hear about two main methods: hot water extraction (commonly called "steam cleaning") and dry cleaning. Both have their place, but they're not interchangeable. Here's what you need to know.
Hot Water Extraction ("Steam Cleaning")
Despite the name, steam cleaning doesn't actually use steam. A truck-mounted machine heats water to around 200°F and injects it into the carpet under high pressure, along with a cleaning solution. Then a powerful vacuum extracts the water along with the dissolved dirt, allergens, and bacteria.
This is the method we use at Carpet Masters for our carpet cleaning service, and it's the method recommended by most carpet manufacturers and the Institute of Inspection, Cleaning and Restoration Certification (IICRC).
Advantages:
- Deepest clean possible — reaches the carpet backing
- Removes allergens, bacteria, and dust mites
- No chemical residue left behind (with proper extraction)
- Recommended by nearly all carpet manufacturers
- Required to maintain most carpet warranties
Considerations:
- Carpets need 6–18 hours to fully dry
- Requires professional-grade equipment for best results
Dry Cleaning Methods
There are several "dry" carpet cleaning methods — low-moisture encapsulation, dry compound cleaning, and bonnet cleaning. These use minimal water and chemical compounds that encapsulate dirt particles, which are then vacuumed up.
Advantages:
- Very fast drying time (1–2 hours)
- Good for maintenance cleaning between deep cleans
- Works in commercial settings where downtime matters
Limitations:
- Doesn't clean as deep — mostly surface-level
- Can leave chemical residue in carpet fibers
- Not effective against allergens trapped in the pad
- Not recommended as a sole cleaning method by most manufacturers
The Bottom Line
For a true deep clean — the kind that removes allergens, extends carpet life, and satisfies warranty requirements — hot water extraction is the clear choice. Dry cleaning is useful as a supplement between deep cleanings, especially in commercial settings, but it shouldn't replace hot water extraction.
Our truck-mounted system at Carpet Masters delivers significantly more heat and suction than portable rental machines, which means a deeper clean and faster dry times. Most carpets are ready for normal use within 6–8 hours.
Wondering how often you should schedule either method? Check out our guide on how often to clean your carpets.
Have questions about which method is right for your situation? Text us at (262) 781-6010 — we'll give you a straight answer.