Paul Raymer is a technical specialist at ICF Consulting, a widely respected international consultancy that has deep roots in the efficiency industry. He’s also the founder of Heyoka Solutions, a provider of technical services to the construction industry. He’s always had a deep focus on ventilation solutions for the home performance industry, and is the author of at least 15 publications, the Residential Ventilation Handbook and Residential QCI Handbook among them. Paul is also an IREC Master Certified Trainer.