jose206 said:
I always just tell my customer to leave their windows rolled down and until the carpets are dry, I've never had any complaints. What fan are you guys using to dry your carpets? I've never cared much about getting one because they always dry pretty fast for me. This will be my first winter with my extractor so Im probably going to have to find a way to dry them. I always use my extractor on an interior.
Winters are just a pain for drying carpets. Use as little water as needed have plenty of fans available to blow air on the carpets like toyotaguy suggested. Do the carpets first, then detail the rest of the car and you should be ok, just be sure to not step on the clean carpets

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Also jose you suggested a degreaser or similar for cleaner, and although I know they clean pretty well, you might want to look into an actual extractor soap. I don't know of any brands out there since I buy mine from a local distributor, but his soap is far better than any degreaser I've tried (APCs included) safer on fabrics and doesn't foam up at all. The foaming is the biggest problem I've faced with the degreasers I've used in the past.
TC: I have a HP60 and love it, the only downside is on really bad carpets (worse than what is generally seen on this site) I have to dump the recovery tank 2-3 sometimes 4 times. I just wish it was a little bigger.
A few tips:
-prespray carpets, then use fresh water in extractor's solution tank. No soap in tank
-Use hot water in tank for winter, it helps the heating elements keep up.
-Cold water in summer. You'll know why, it gets way too hot using hot water.
-Don't ever let the solution tank run dry. Getting the air out of the lines is a PITA
-CLEAN OFTEN!!!!!! If even left overnight with dirty water/sludge in the recovery tank it will smell like sewage in the morning. All it takes is a few min. each day.