Having your heating system properly cleaned is a great start toward improving your indoor air quality. Why not get rid of the germs and bactreia that cleaning leaves behind? After having your heating system cleaned, we recommend having it Disinfected/Sanitized with Benefect, the only 100% Natural Sanitizer that kills dust mites, mould spores, germs and bacteria, improving your indoor air quality even further. Benefect is the first and only all botanical disinfectant. It is suitable for use around children, pets and the chemically sensitive. The patented technology is a broad spectrum hospital disinfectant made from plants. It's about thyme! Benefect, with its groundbreaking botanical technology, is proven to kill over 99.99% of bacteria & surpasses Health Canada's efficacy requirements for broad spectrum hospital disinfectants. Visit their website for more info at www.benefect.com.