A room can look immaculate, but if it doesn't smell fresh, guests notice immediately. According to a recent study1, odor is one of the leading causes of negative hotel reviews, lower guest satisfaction scores, and lost repeat business.
Eliminate Odor. Elevate Every Stay.
Odor Is One of the Biggest Threats to Guest Satisfaction
What Guests Can't See Could Be Hurting Your Ratings
93% of hotel guests would downgrade a 5-star stay over odor
In fact, unpleasant odor would cause 84% of guests to reduce their rating by at least 2 stars
Top reason for
negative reviews
Ecolab Solutions Designed to Tackle Tough Odors, so your Rooms are Guest-Ready
Bio-Enzymatic Odor Eliminator
Bio-Enzymatic Odor Eliminator
Tackle stubborn and biological odors such as pet, urine, body odor, and garbage odors.
ZephAir™ Tough Odor Remover
ZephAir™ Tough Odor Remover
Designed to eliminate tough odors like food and smoke on soft surfaces.
What else are guests saying?
What else are guests saying?
Discover the factors that have the greatest influence on guest satisfaction, online reviews, and the likelihood of repeat stays.
A third-party survey of 598 hotel guests, conducted on behalf of Ecolab in November 2025, explored what drives hotel selection, what encourages guests to return—or choose not to—and which issues most commonly lead to negative reviews and lower satisfaction scores.
The results are clear: cleanliness remains one of the most important factors guests consider when choosing a hotel. It is also one of the few factors that hotels can directly control, making it a critical opportunity to enhance the guest experience, strengthen reviews, and build guest loyalty.
Get In Touch with Us
One miss can outweigh an otherwise great stay.
Connect with an Ecolab expert and make cleanliness a strategic advantage
Give Us a Call
With unparalleled expertise and cutting-edge technology, we partner with customers to deliver world-class results and optimized operations. Contact us to learn how we can help you.
Ecolab Inc.
1 Ecolab Place
St. Paul, MN 55102
Ecolab Customer Service:
Phone: +1-800-352-5326
Nalco Water Customer Service
Phone: +1-800-288-0879