With over 19 years in business, Thermatech Northwest, Inc., is a leading contractor of environmental remediation and demolition services specializing in mold remediation, lead paint abatement, asbestos abatement and healthcare infection controls that play an Important part in keeping people healthy and our planet safe.

Thermatech Northwest’s remediation and abatement services make homes and businesses safer, air cleaner, water more pure and earth less contaminated—they are a vital process in the decontamination and renewing of infrastructure around Puget Sound.

Based in Lakewood, Washington, Thermatech Northwest provides remediation and demolition services to Western Washington homes and businesses, with projects all over the greater Seattle and Tacoma region, staffed by up to 50 employees who are driven by a passion for success, quality, efficiency and respect for the environment.

As a family and Woman Owned Business located in Lakewood, Washington, Thermatech Northwest is led and guided by its strong values and principles that have been handed down from the founder Sandra Guiley Since our beginning in 1996, we have taken great pride in our values that make us not just another hazardous waste remover, but the company our customers and competitors look upon as a leader.


Thermatech Northwest is dedicated to setting the standard as the leader in the remediation and abatement of hazardous materials. We want to be the organization known for the care and respect we show for our people, our customers and the environment in which we live and upon which we all depend.

Our values shape our operations and govern our business decisions. They include a commitment to industry best practices, enlightened thinking and respectful behavior, which is the platform for our success, now and in the future.