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Make conscious choices to change the world
In our research we found that in Canada most people still think carpets are best cleaned by wetting them. Books, internet, and long-history companies are still preaching that the traditional wet/steam cleaning is the best. Tradition is good as long as it benefits mankind and the environment but if it does not, it needs to be changed, just like the recent alarm of BPA found in water bottles - regardless of the long history that we, including babies, have been using bottles with BPA, we now know it's harmful and we have to avoid it. Yes, we have to change the mindset and believe wetter is not better. 
The dry system was developed in 1938 and has since been popular in the States and many European countries but it is way underdeveloped in Canada. When we start going green we should also redefine the meaning of carpet cleaning.
Comparison Chart - Carpet Cleaning Methods (Source: HOST School)
Rotary Shampooing Dry Foam/Low Moisture Soil ExtractionHot Water Extraction/Truck Mount Steam CleaningGreenDry: Dry Extraction
Traffic Downtime6-12 hrs.2 hrs. 6-24 hrs.+None
Blending AbilityGoodFair PoorExcellent
Chance of Color Bleeding Possible Possible Possible None 
Amt. of ResidueHeaviest Moderate Little  None
Resoil RateMost Rapid Moderate Slow Very Slow
Shrinkage/Seam Splitting Likely Unlikely Very Likely None 
MildewLikely Unlikely Very Likely None 
Spot WickbackVery Likely Likely Unlikely None 
Furniture ProtectionRequired Required Required No Need 
Pile Restoration None None None  Excellent
Litre of Water Used/1000 sq.ft. 189-250  8-19189-303 Virtually None
SafetyNot for all types of carpet, chemicals can be an eye/skin irritant  & toxicNot for all types of carpet, chemicals can be an eye/skin irritant & toxicNot for all types of carpet, chemicals can be an eye/skin irritant & toxic, overwetting causes mold Safe for all types of carpet/rugs,  natural/safe for human & pets 
Browning Possible Possible Possible None 


Conversation of Resources

Water extractors use large amounts of water and they generate large amounts of wastewater which burdens sewers and water treatment facilities. Also, wastewater left in the carpet evaporates, humidifying buildings and forcing air conditioners and dehumidifiers to run harder and longer. 


GreenDry Carpet Cleaning deep cleans carpet with 97% less water than typical high-flow water extractors. There is less than one teaspoon of liquid per square foot, so unlike other wet cleaning methods, we do not leave carpets wet with dirty wastewater that can lead to mold growth and cause health problems. In fact, our method helps remove mold and mildew from carpets.


Energy-wise, our dry method doesn't need: to heat water, to use blowers, for air conditioners to dry carpets, and for dehumidiriers to remove moisture.


Also, through vacuuming, our powerful six stage filtration system traps dirt particles as small as 1 micron in size at 99% efficiency (average size of most bacteria: 2 microns).


So, which is the better choice? We know you have the answer.