Who is this guy?

Bill Spohn is President and co-owner of, an award-winning reseller of tools and test instruments. He holds a BS & MS in Mechanical Engineering and is a Registered Professional Engineer (PE) in Pennsylvania.

Over the last 30 years, Bill has built his career on creating, designing, and marketing a wide array of test and measurement products that work for technicians in the field. He loves people, science and business and his all about the creation of comfortable, healthy and energy efficient living spaces.

He has worked on BPI, RESNET, GAMA, AHRI, OMA, RSES, NATE, and ACCA Technical Committees, and holds three US patents in instrumentation design. He regularly consults, teaches and writes on product applications in HVACR, building science, healthy homes, Indoor Air Quality, and weatherization. Bill is smart, a great listener and speaks with passion and in a language we can all understand.

He shares his knowledge in the two podcasts: Building HVAC Science and RESTalk. More info on LinkedIn.