Building Science & Indoor Air Quality (IAQ) Advisor

Joseph Medosch

Specialties: Indoor Environmental Quality (IEQ), Diagnostics & Measurement, Whole-House Systems, HVAC Performance, Healthy Homes

Joseph (Joe) Medosch is an internationally recognized building science expert, educator, and master trainer with over three decades of field and consulting experience in healthy home performance. Known for his practical approach to "Building Science Simplified," Joe bridges the gap between complex diagnostic physics, mechanical HVAC systems, and real-world indoor environmental quality.  

Joe’s career spans every angle of the residential performance ecosystem. Having operated as a hands-on contractor, comfort consultant, and energy manager, he approaches buildings holistically through the lens of "The House as a System." Throughout his career, he has collaborated with industry pioneers—including legendary building scientist Bob Kroll—shaping modern home performance assessments, ventilation standards, and air-tightness testing methodologies.  

Joe has driven technical innovation and curriculum development across several key industry organizations:

MeasureQuick: Serving as Director of Training and Client Success Manager, Joe works to transform field diagnostics by integrating smart tools, advanced metrics, and live-data workflows to raise the bar for HVAC and IAQ technicians.  

Retrotec: As a primary technical and training consultant, Joe educated thousands of professionals on air leakage testing, duct testing, pressure diagnostics, and building envelope performance.  

Hayward Score & Healthy Home Environment Association (HHEA): Joe served as a principal healthy home advisor and Executive Director, helping develop actionable frameworks that connect building metrics directly to occupant health and safety.

Through his consultancy, Energy & Environmental Consulting LLC, Joe continues to advise contractors, manufacturers, and trade associations nationwide. His mission as a Building Science Advisor is simple: turn complex diagnostic data into healthier, safer, and higher-performing living environments.

Joseph Medosch

Core Credentials & Industry Leadership

Executive Roles: Director of Training / Client Success at measureQuick; Former Training Consultant at Retrotec; Owner, Energy & Environmental Consulting LLC.  

Board & Committee Positions: Board Member, Healthy Air Research and Certification Authority (HARCA); Former Executive Director, Healthy Home Environment Association (HHEA).  

Standards & Technical Knowledge Base: ACCA, BPI (Building Performance Institute), RESNET, ICC, SMACNA, and ASTM.  

Recognized Expertise: Master Trainer in Healthy Homes, Indoor Air Quality/Indoor Environmental Quality (IAQ/IEQ) assessments, and advanced building diagnostics.

Operating Standard

Independent by Design

Tell us what you are seeing, what has been proposed, or what decision you are evaluating. We will help determine the right next step.

Joseph Medosch