Mike Muras is designing and remodeling for the purpose of improving Energy Efficiency and Improving Comfort. Mike Muras is a NATE-Certified Technician. North American Technician Excellence, Inc. (NATE). We Employ NATE-Certified Technicians. Home Improvement. Office Improvement. Mike Muras is a member of NATE’s Consumer Contractor Connection Program (C3) program. Mike Muras is Certified by NCI (National Comfort Institute, Inc.) in the following: 1. System Performance Analyst – Residential and Light Commercial. 2. Air Balancing Technician – Residential and Light Commercial. Mike Muras is an Electrician, Plumber, Air Conditioning & Heating System Professional Technician.