SMS Indoor Environmental Cleaning Inc.

For more than 36 years, SMS Indoor Environmental Cleaning Inc. has been a trusted partner in protecting the health, safety, and comfort of indoor environments across New England. We proudly serve homeowners, real estate professionals, property managers, facility directors, contractors, developers, and municipal, state, and federal organizations. Our work centers on three critical services: • Mold Remediation • Rodent Feces & Urine Remediation • Air Duct Cleaning Led by Owner Steve Timpany and Vice President Nancy Yannuzzi, our team brings deep expertise to every project. Both Steve and Nancy are seasoned expert witnesses, trainers, inspectors, and hands on remediators, offering clients a rare combination of technical knowledge and practical field experience. As a locally owned company, we take pride in delivering thorough diagnostics, precise project management, and detailed specification development for microbial remediation and air duct cleaning. Our background in IAQ/IEQ and green building practices ensures that every solution we provide is grounded in science, industry standards, and long term environmental health. At SMS, we don’t just clean environments — we restore confidence in the spaces where people live, work, and thrive.