David Weiss has been the General Manager for HVAC Solutions since its inception in January, 2003. David has been with the parent company TEC, since 1989 and started in the controls department introducing VVT systems to our customer base. He has been thoroughly involved in most phases of the company’s business – Commercial sales, Residential sales, Industrial sales, Residential trainer for Leadership Development, Plan & Spec, and Design/Build. He has been directly responsible for brokering partnerships as agent, distributor, or wholesaler with each vendor listed on HVAC Solutions line card, developing business strategies, developing marketing concepts for the group, as well as managing the cracker jack staff of Product Managers (see bios below). He also created and started TEC’s Inside Engineering group. David has a Bachelor of Science degree in Civil Engineering, with a minor in Nuclear Engineering from Lehigh University in Bethlehem, Pennsylvania, and a Master of Business Administration in Marketing from Roosevelt University in Chicago. David received his Professional Engineer license from the State of Illinois in 1983. He can be contacted at, or, or (630) 546-3220.

Bill Bailey is a Product Manager at HVAC Solutions, a TEC company. Bill has been with HVAC Solutions since 2004, and has worked exclusively in the hydronic systems business since 1984. Bill has worked as a manufacturer’s rep, a distributor, and a contractor. His current activities include working with engineers, contractors, and building owners to upgrade and design new hydronic systems with energy efficiency in mind. Bill has a Bachelor of Science in Business from Elmhurst College. He can be contacted at or, or (708) 508-6187.

Bill Shanel is a Product Manager for HVAC Solutions, a TEC company. After over 27 years working for and owning a HVAC distributor, Bill joined HVAC Solutions in March of 2014. Bill will focus his skills in sales, marketing and purchasing for the rapidly growing Hydronics business at HVAC Solutions. In addition to his industry experience, Bill has a Bachelor of Science in Business from Indiana University. Bill can be contacted at:, or (630) 440-5697.

John Rohan is a Product Manager for HVAC Solutions, a TEC company, and joined the HVAC Solutions team in May, 2017. John’s 30 years in the HVAC industry include a long stint in Sales Management positions for Honeywell’s commercial service/installation group, and an 11 year run in Chicago area distributor Sales Management. John brings a unique perspective of manufacturer, distribution and contracting experience and will be a great asset to our external, and internal customers. His current responsibilities include working with contractors, dealers, owners and TEC staff on equipment solutions including filtration, ventilation, air purification IAQ products, controls, standby generators, wine storage coolers - all for residential applications. John has a Bachelor's degree in Business Administration from Marquette University. He can be contacted at:, or (224) 360-4557