Robert Scaringe is president of Mainstream Engineering, Rockledge, Fla. He has been involved in the development of advanced vapor-compression heat pump systems for more than 33 years. He currently has more than 70 HVAC-related patents and more than 100 technical publications. To visit the company’s website, go to www.mainstream-engr.com. Mainstream’s HVAC service products division (www.qwik.com) includes EPA-608, EPA-609, IAQ, Preventative/Maintenance Tech, and Green online certification-training programs.
There is no doubt that consumers want healthier homes today. An HVAC system air filter upgrade is one way contractors can simultaneously increase customers’ residential IAQ and generate more business. The central air conditioning/heating unit is the perfect appliance for providing cleaner IAQ, but few consumers realize it.