Mass Carpet Care was WAY better than the other carpet cleaner we've used in Madison (Tony Tobias from Steam-N-Dry, who left our house wet and smelling like a toxic waste dump for three nights and wouldn't return phone calls asking for advice). I was hesitant to ever get my carpets cleaned again, but Mass Carpet Care reassured me that they used non-toxic, organic cleaners. They ended up doing a great job.

Mass Carpet Care pros:
-Everybody at every stage of the process was cheerful and friendly.
-My carpets turned out very clean (no more spots)!
-They were willing to work with me on what counted as an "area."

The cons:
-I couldn't get an appointment for a couple of weeks. I think this was because they had just put out a Groupon coupon (which I'd bought) and had many new customers.
-They should confirm what extras you're agreeing to pay for before they do them. We had talked about both pet treatment and Scotchgard options, but I didn't think that I was agreeing to do both and ended up being charged for both. I had wanted to pick one or the other. This issue could be easily resolved by giving the customer the bill before starting rather than after completion. Or by confirming what had been agreed to before doing it.
- My carpets took over 18 hours to dry, not the 4-5 hours that Mass Carpet had predicted. However, this was still much better than the three days that it took my carpets to dry after the other company did the cleaning.

Overall, I give Mass Carpet a high score and would heartily recommend them to others.