Industry Standard

We Don't Just Clean Air Ducts, We Set the Industry Standard.

David Hart, owner of Guarantee Air Duct Cleaning, is a 30-year veteran in the professional cleaning and restoration industry. He is the inventor of the RamAir line of HVAC duct cleaning equipment and the OzoGen 16g high-output ozone generator— industry leading products that are in use in every major city of the United States and 21 foreign countries.

David works with the top industry organizations to write the official standards for HVAC cleaning and restoration in regard to not only dust and debris removal, but mold remediation, meth decontamination, forensic restoration and biological terrorist attacks.

David Hart serves on the board of the Restoration Industry Association and Microbial Warrior Academy to write and implement national protocols in the HVAC cleaning and restoration industry.

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Guarantee Air Duct Cleaning utilizes the RamAir Duct Cleaning System for Residential and High Level Commercial Jobs.

David is the inventor, designer and manufacturer of the globally acclaimed RamAir ClearView Duct Cleaning System, a revolutionary game-changer in the air duct cleaning industry. A unique, brushless duct cleaning system, RamAir is designed to protect the integrity of your ductwork, while producing unrivaled results, and allowing both the technician and customer to see the dust and debris that’s being removed as it’s being removed. This visual factor provides several benefits. In addition to showing the dust, debris and garbage as it is being removed (through a clear, sealed port), it affords a clear view of when the process is complete, removing the guesswork that plagues traditional duct cleaning methods.

Top Air Duct Cleaning and Restoration Industry Publications

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Local Inventor Revolutionizes Commercial Duct Cleaning, Cascade Business News

Ever since David Hart was a kid, he has wanted to be an inventor. He is now the owner of Guarantee Cleaning Services, Central Oregon’s most referred duct cleaning service, and his success can be attributed to the revolutionary cleaning equipment that he personally invented. So revolutionary, in fact, one can now find his products in every major city in the United States and 19 foreign countries. Read full article.

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HVAC Meth Decontamination, Restoration and Remediation

When a project comes my way that’s not an everyday thing, it’s stimulating, and in some cases, it’s downright exciting. After my military service in the early ‘90s, I went to work in the field as a carpet and HVAC cleaning technician. In 1998, I opened my own carpet and air duct cleaning business in Bend, Oregon, giving it the name Guarantee Cleaning Services. Read full article. 

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Working with Dead Bodies, Cleanfax

We constantly get calls from the disaster restoration companies in our area wanting to hire us to clean and sanitize the duct systems in homes and businesses following a fire, flood or other catastrophe.

I always recommend networking with entities such as building contractors, property management companies, real-estate agents and HVAC installers, as long as the companies with whom you’re networking are upstanding representations of their industry. Read full article.