and Residential Contractor (GC/BC/RC) Exam with this 100 Question Practice Test for the Walker's
List of required reference books for your exam
This PDF Practice Exam A is for the NASCLA Contractors Guide to Business
The scope of work of the plumbing contractor also includes the design
PSI D-1 Limited Warm Air, Air Conditioning & Refrigeration System Contractor HVAC and Residential Contractor (GC/BC/RC) ExamPSI D 1 Limited Warm Air, Air Conditioning & Refrigeration System Contractor PSI Connecticut D 1 Limited Warm Air, Air Conditioning & Refrigeration System Contractor license allows individuals to install, repair, replace, maintain, or alter warm air, air conditioning, and refrigeration systems, including necessary piping and pumping equipment, but not oil burners. Approved References International Mechanical Code or International Mechanical Code