This week on IAQ Radio we welcome back Greg Long who last joined us way back in 2007. Also joining us is Graeme Marsh the President of Clean and Green HVAC. We are going to discuss HVAC maintenance and cleaning in the 21st century and how it can impact indoor air quality. Greg Long has been helping building owners with IAQ problems and cleaning mechanical systems for over 30 years. He is a Past President of NADCA and current member of the IAQA Board of Directors. Graeme is the President of Clean and Green HVAC a market leader in HVAC optimization through their national network of highly experienced, qualified HVAC contractors. This week we will discuss how HVAC cleaning has changed over the years including how probiotic cleaners have impacted the work Greg and Graeme are doing. They claim proper HVAC cleaning can restore performance, reduce energy costs, extend equipment life cycles and positively impacting IAQ, comfort and wellness. Let's LEARN MORE about what they have to say this week on IAQ Radio!