Professional Carpet Cleaning Coupon from ZeroRez of Nebraska. Carpet Cleaning coupon valid at Zerorez of Nebraska. Carpet Cleaning of Three Rooms, Pretreated, Cleaned and Sanitized Starting at $119. Restrictions and fees apply. Call 402-933-1988 for details or to schedule your cleaning. Promo Code: Valpak. Coupon void if altered. Call by: 7/31/17 Coupon void if altered.