Heyoka Solutions was founded in 2006 to provide energy efficiency services to homeowners. The company sells residential energy efficiency products through its website, develops products under contract, provides building science training and mentoring. A principal of the company, Paul Raymer, has been working in building science since 1977, is a HERS Rater, and a BPI Certified Analyst, Envelope Professional, Heating Analyst Professional, and AC/HEAT Pump professional. He is the author of the Residential Ventilation Handbook published by McGraw Hill. He teaches building science courses and is a BPI field proctor.