Odour Control Services in Toronto & GTA

Sentinel Maintenance Inc (SMI) offers advanced odor control services that eliminate persistent smells at their source—without relying on masking agents. Our multi-stage treatment process neutralizes odors at the molecular level using non-toxic, eco-friendly solutions safe for families, pets, and sensitive environments. Whether caused by smoke, pets, mold, sewage, or organic waste, our technicians identify the root cause and apply targeted treatments including ozone, hydroxyl, and enzyme-based solutions. We serve residential, commercial, and industrial spaces throughout Toronto and the GTA, ensuring your environment is restored to a fresh, breathable condition. With guaranteed long-term results and complete source removal, SMI helps you reclaim your space with confidence.