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About Us

Central Oregon's Most Referred Duct Cleaning Business

Guarantee Cleaning Services

Servicing Bend, Oregon since 1998

Guarantee Cleaning Services founder and president David Hart is considered a leading international authority on effective duct cleaning. David is the inventor, designer, and manufacturer of the revolutionary RamAir ClearView Duct Cleaning System, a unique brushless duct cleaning system designed to protect the integrity of your ductwork while producing unrivaled results.

Prior to his founding of Guarantee Cleaning Services in 1998, David worked at one of the largest carpet cleaning companies in Portland, Oregon, as lead technician and an instructor of carpet cleaning classes.

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Guarantee Cleaning Services is the most hired and recommended duct cleaning company in its service areas with a 5.0 Star Rating on Google. The RamAir ClearView Duct Cleaning System is currently the fastest growing manufacturing company of duct cleaning systems in the world. It is used in every major city in the U.S. and at least 21 other countries.

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